PROTOCOL SYSTEMS INC/NEW
10-K405, 1998-03-31
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                                    UNITED STATES
                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D. C. 20549

                                     Form 10-K

     (Mark One)
 [X]  Annual Report Pursuant to Section 13 or 15(d) of the Securities
                             Exchange Act of 1934

                    For the Fiscal Year Ended December 31, 1997

                                      OR

 [ ]  Transition Report Pursuant to Section 13 or 15(d) of the Securities
                             Exchange Act of 1934

                      Commission File Number:       0-19943
                                                    -------

                             PROTOCOL SYSTEMS, INC.
              (Exact name of registrant as specified in its charter)

             Oregon                                  93-0913130
 -------------------------------                  ------------------
(State or other jurisdiction of                  (I.R.S. Employer 
incorporation or organization)                   Identification No.)

              8500 SW Creekside Place,   Beaverton, OR      97008
         ----------------------------------------------  ----------
            (Address of principal executive offices)     (Zip Code)

       Registrant's telephone number, including area code:  (503) 526-8500

        Securities registered pursuant to Section 12(b) of the Act:  None

           Securities registered pursuant to Section 12(g) of the Act:

                    Common Stock, par value $.01 per share
                    --------------------------------------
                              (Title of Class)

Indicate by check mark whether the registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 
1934 during the preceding 12 months (or for such shorter period that the 
registrant was required to file such reports), and (2) has been subject to 
such filing requirements for the past 90 days.
[X] Yes    [  ] No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 
of Regulation S-K is not contained herein, and will not be contained, to the 
best of the registrant's knowledge, in definitive proxy or information 
statements incorporated by reference in Part III of this Form 10-K or any 
amendment to this Form 10-K.  [X]

As of March 23, 1998 the aggregate market value of the voting stock held by 
non-affiliates of the registrant was $79,522,281.  There were 8,570,993 shares 
of Common stock of the registrant outstanding at March 23, 1998.


                   Documents Incorporated by Reference
                   -----------------------------------
                                                      Part of Form 10-K Into
           Document                                     Which Incorporated 
           --------                                   ----------------------
Portions of the 1998 Proxy Statement                         Part III

<PAGE>

                                    PART I

ITEM 1. BUSINESS

GENERAL

Protocol Systems, Inc. was incorporated in Oregon in November 1985, and made 
its first commercial shipment of patient monitors in February 1988.  Since 
that date, the Company has sold over 46,000 vital signs monitors.  In March 
1992, the Company completed its initial public offering.  The Company's stock 
trades on the Nasdaq Stock Market under the symbol PCOL.

The Company designs, manufactures and markets patient monitoring instruments 
and systems utilizing innovative design, advanced software concepts and 
leading electronic technology.  The Company's products are designed to address 
hospitals' needs for more efficient and flexible utilization of patient 
monitoring equipment.  The Company's Propaq monitors, including the 100 Series 
Propaq monitors and the Propaq Encore (200 Series) monitors, combine multiple 
physiologic measurement and display capabilities in a single lightweight, 
rugged instrument, permitting the use of the monitor in a variety of patient 
care applications.  The Company's Acuity central station further increases 
monitoring flexibility by allowing a clinician to observe and control up to 60 
Propaq monitors from a dedicated Sun Microsystems UNIX-based workstation.  

The Company operates in a single industry segment: the design, manufacture, 
sale and servicing of medical instruments and systems.  Sales of the Company's 
products by geographic region are shown in the notes to the consolidated 
financial statements.

In 1996 the Company acquired Pryon Corporation ("Pryon"), a supplier of 
capnography (CO2 monitoring) products to medical instrument manufacturers.  
Capnography is the measurement and graphical display of carbon dioxide 
concentration, or partial pressure appearing at a patient's airway.  Pryon 
designs, manufactures and markets both mainstream and sidestream sensors and 
instrumentation to monitor end-tidal carbon dioxide levels present in the 
respired breath of critically ill and other patients.  This CO2 data, coupled 
with other clinical signs and information, provides clinicians with a 
noninvasive means to assess the patient's ventilation, perfusion and 
circulatory status.  Since 1989, Pryon has sold over 30,000 CO2 systems.

MARKET FOR PATIENT MONITORING EQUIPMENT

The 1997 worldwide market for patient monitoring equipment was estimated to be 
$2.2 billion annually.  The principal purchasers of patient monitoring 
products are hospitals; other customers include outpatient surgery centers, 
subacute care centers, clinics, physician offices and emergency transportation 
units.

Patient monitoring products measure, display and document physiologic 
information obtained from sensors attached to the patient.  Measured 
parameters include electrocardiogram (ECG), invasive and non-invasive blood 
pressure, pulse rate, pulse oximetry, body temperature, respiration rate, end-
tidal CO2 and other specialized parameters.  Products vary from specialized 
single-parameter instruments to monitors with the ability to measure multiple 
parameters and interface with other instruments.  




PATIENT MONITORING MARKET SEGMENTS

The patient monitoring market may be divided into five segments: portable 
bedside monitors, low-end systems, high-end systems, telemetry systems, and 
stand-alone monitors.  The segments are distinguished by the intensity and 
duration of the monitoring, the acuity of the patient's condition and the 
level of nursing attention devoted to each patient.  

PORTABLE BEDSIDE MONITORS.  Portable monitors are freestanding and movable and 
typically measure multiple parameters.  They are carried or wheeled with the 
patient, often while he or she is being transported to or within the hospital.  
They may also be left at the patient's bedside, providing continuous longer-
term monitoring when the patient's condition warrants.  When monitoring is no 
longer required, the monitor can be easily moved to a new location or patient.  
The Company has been a leader in the development of the portable bedside 
monitoring segment since its introduction of the highly portable, multiple-
parameter Propaq monitor in 1988.

HIGH-END SYSTEMS.  High-end systems monitors are normally large, permanently 
located adjacent to a particular hospital bed and connected to a central 
monitoring station for observing multiple patients.  They are used most often 
in intensive care units (ICU's) where hospitals care for their more acutely 
ill patients, maintain the highest nurse-to-patient ratios and provide for 
constant patient monitoring.  The Propaq Encore monitor and the Acuity central 
station allow the Company to compete in certain segments of the high-end 
systems market.  The neonatal, impedance respiration and 5-lead ECG 
capabilities of the Propaq Encore monitor and the central monitoring 
capability of the Acuity central station provide a monitoring system which is 
suitable to neonatal, pediatric and adult respiratory ICU applications.

LOW-END SYSTEMS.  As medical monitoring manufacturers began to network their 
portable bedside monitors, the low-end systems market segment emerged.  These 
systems allow for cost-effective, continuous monitoring of non-ICU patients.  
The Company's Acuity central station, with its central monitoring capability, 
is designed to meet the requirements of this market segment.  Subsequent 
enhancements to the Acuity software, including arrhythmia detection and 96-
hour full disclosure capabilities, have expanded the potential applications 
for the Company's monitoring system.

TELEMETRY SYSTEMS.  A telemetry system typically consists of a small unit worn 
by the patient which transmits ECG data via telemetry to a central monitoring 
station.  They are used in situations, such as post-coronary care, where the 
patient is allowed freedom of movement as part of the recovery process.  The 
Company's Protocol Cordless-Registered Trademark- monitoring system provides 
such ECG telemetry monitoring for ambulating patients.

STAND-ALONE MONITORS.  This market segment includes stand-alone units which 
are not connected to a central monitoring station.  They are often used in 
areas such as operating, emergency and recovery rooms as well as labor and 
delivery units.  In these environments, the monitoring needs arise from 
specific procedures and the care giver is closely involved with the patient.  
While some stand-alone monitors include multiple physiologic capabilities, 
many measure only one parameter.  The Company's QuikSigns-TM- monitor, 
introduced in May 1997, is classified as a stand alone monitor.

PRODUCTS

The Company believes that its products presently address approximately $1.4 
billion of the $2.2 billion annual worldwide patient vital sign monitoring 
market.  The Company's highly portable multiple-parameter monitors and ECG 
telemetry transmitters networked to Acuity central workstations allow 
hospitals to realize the benefits of Flexible Monitoring-TM-.  Flexible 
Monitoring allows hospitals to constantly reconfigure their monitoring 
capability in order to match vital signs monitoring with patient acuity levels 
in the most cost-effective way without compromising the quality of patient 
care.

PROPAQ MONITORS AND OPTIONS.  The Company's principal product line, Propaq 
portable patient monitors, is used in hospitals, outpatient surgery centers, 
clinics, physician offices and emergency transportation units to obtain and 
display current physiologic patient information.  This information enables 
health care providers to continuously evaluate the patient's condition and to 
assist the clinician in determining the proper medication or treatment 
necessary to promote the patient's recovery.  Propaq monitors lead the 
industry in terms of weight, durability and battery life for any comparably 
configured monitor.  Propaq 100 Series monitors are available in multiple 
configurations and can measure ECG; blood pressure, both invasively and non-
invasively; arterial blood oxygen saturation level (pulse oximetry); end-tidal 
CO2 (ETCO2); and body temperature.  Propaq monitors are available in five 
languages: English, German, French, Spanish and Japanese.

The Company introduced the second generation Propaq monitor, the Propaq 
Encore, in 1995.  The Propaq Encore retains all of the monitoring capabilities 
and portability of the 100 Series Propaq monitor.  In addition, the Propaq 
Encore monitor provides a brighter, higher resolution display, an enhanced 
user interface, respiration monitoring using impedance pneumography and 
diagnostic level 5-lead ECG monitoring capability. Propaq Encore monitors can 
be configured to monitor neonatal, pediatric or adult patients. 

In September 1997 the Company introduced the sidestream Carbon Dioxide (CO2) 
option for its Propaq Encore monitor.  The sidestream CO2 option provides non-
invasive vital sign measurements of ETCO2, inspired CO2 and breath rate from 
non-intubated patients using a technologically-advanced sensor.  The Company 
has offered a mainstream CO2 monitoring option for its Propaq monitors since 
1992.  Unlike the mainstream option, which places a CO2 sensor directly on the 
airway of intubated patients, the sidestream option utilizes a simple nasal 
cannula to monitor CO2 and can be used on non-intubated patients.  Shipments 
of the sidestream CO2 option are expected to begin in the second quarter of 
1998.

The Company introduced the Modem Propaq monitor in April 1997.  This monitor 
provides all the functionality of the Propaq 100 series and Propaq Encore 
monitors and is able to transmit multiple patient vital signs data via a 
simple telephone modem to the Acuity central station.  The Modem propaq gives 
the health care provider the flexibility to remotely monitor patients located 
both inside and outside the hospital from a central nursing station.

FLEXIBLE MONITORING SYSTEM.  The Flexible Monitoring System is the product of 
a co-development effort with Massachusetts General Hospital and was introduced 
by the Company in 1991.  The Flexible Monitoring System combines networked 
Propaq monitors, Modem Propaqs and Protocol Cordless transmitters with a Sun 
Microsystems, Inc. workstation and proprietary Protocol software to monitor 
the vital signs of up to 60 patients simultaneously.  The Company's software 
controls the networked Propaq monitors and Protocol Cordless transmitters with 
an easy-to-understand graphical user interface display on a high-resolution 
color CRT screen.  The Acuity central station utilizes a map to display the 
physical layout of the individual hospital floor.  Remote diagnostic 
capabilities enable the Company's service and support personnel to evaluate 
system performance without user interruption and provide timely service 
response.  The Acuity software is available in three languages:  English, 
German and French.

Central station monitoring generally has been limited to intensive care 
environments in which systems monitors are permanently wired to a central 
station.  Propaq monitors, however, can easily be connected to the Acuity 
central station as the hospital's needs dictate through the use of a simple 
snap-in modular plug similar to a telephone jack.  The portability of Propaq 
monitors and ease with which they may be connected to the system reduces the 
number of monitors the hospital would otherwise need to cover a large number 
of beds.

The full disclosure software version for the Acuity central station provides 
the ability to capture and later retrieve each second of patient vital signs 
data for the previous 96-hour period.  The system captures all monitored vital 
sign parameters for each patient being monitored by compressing the vital sign 
data and archiving it for later retrieval and analysis.

The arrhythmia detection software option enables the system to detect various 
types of ventricular and life-threatening arrhythmias in a patient, classify 
the detected arrhythmias by category and provide an alarm when appropriate.  
Arrhythmia detection is often used in areas of the hospital such as emergency 
departments, cardiac telemetry units, step-down units and intermediate or 
transitional care units.

The Company introduced Networked Acuity patient monitoring systems in February 
1998.  Networked Acuity systems operate as Vital Signs Servers-TM-, each 
capable of centrally monitoring local and remote groups of patients resident 
on multiple Networked Acuity systems.  These systems, both inside and outside 
the hospital, connect smaller hospitals or clinics, or floors within a single 
hospital such as areas outside the ICU, providing a number of benefits to the 
user.  Remote viewing and control of both real-time and historical full 
disclosure waveform information, for consultation on any patient's vital signs 
data, is easily accessible from any of the connected Acuity central stations.  
From admission to discharge, a seamless patient flow record is automatically 
generated as the patient moves from one Networked Acuity system to another.  
Furthermore, the Networked Acuity system configured with an additional review 
station can provide "mission critical" back-up capability to another Networked 
Acuity system within the enterprise in the event of a hardware failure.  The 
Company expects the Networked Acuity systems will be available for customer 
shipments in the second quarter of 1998.

In August 1997 the Company introduced ST Segment Analysis software for its 
Acuity central stations.  This software analyzes the ST Segment of a patient's 
ECG for changes that may indicate myocardial ischemia or injury.  The Company 
expects customer shipments of the product to begin in the second quarter of 
1998.

PROTOCOL CORDLESS TELEMETRY SYSTEM.  The telemetry option provides wireless 
communication of ECG signals by radio frequency (RF) waves from a portable 
transmitter, generally worn by an ambulating patient, to an Acuity central 
station and/or Propaq monitor. 

QUIKSIGNS MONITOR.  In May 1997, the Company signed an agreement with Welch 
Allyn, Inc. under which Welch Allyn manufactures the QuikSigns monitor under 
the Company's name and provides the Company with exclusive U.S. hospital 
distribution and marketing rights.  The QuikSigns product is a spot-check 
patient monitor that adds to the breadth of Protocol's product line, and is 
ideal for gathering routine and procedural vital signs data.  The instrument 
quickly and non-invasively monitors blood pressure, blood oxygen and 
temperature, and features data storage and printing capabilities.

OEM PRODUCTS.  Pryon manufactures solutions for CO2 monitoring applications 
that include mainstream and sidestream CO2 sensors for OEM applications and 
stand-alone monitors for both OEM and direct distribution channels. The 
sidestream CO2 sensor and related hardware and software are used with non-
intubated patients in applications such as post-ventilator patient assessment, 
conscious sedation, acute asthma assessment in the emergency room, assessment 
of patient conditions on BiPAP and other applications.  The mainstream CO2 
sensors and related hardware and software are used in hospital venues for 
intubated patients.  Pryon also manufactures a line of consumable products 
that are used in conjunction with its CO2 sensors.

Pryon manufactures the SC-300 CO2 Monitor, a stand alone instrument containing 
both mainstream and sidestream CO2 monitoring modalities.  A follow-up 
product, the SC-210 CO2 Monitor, was introduced in 1995.  This device utilizes 
the SC-300 platform and provides sidestream monitoring.  Pryon plans to expand 
its OEM business through the offering of a wider range of technologies 
currently under development.

MARKETING AND DISTRIBUTION

DOMESTIC.  The Company markets its products domestically through both Company-
employed sales representatives and independent distributors. Protocol's 
domestic sales managers supervise the Company's direct sales representatives, 
independent representatives, and independent distributors, in a defined 
geographic area.  Pryon's SC-210 and SC-300 are sold through independent 
distributors while their OEM subassemblies and accessories are sold directly 
to OEM customers.  The Company intends to continue to use a combination of 
direct sales representatives, independent representatives and independent 
distributors based on the most effective sales approach for each territory. 

Protocol's primary market in the United States consists of approximately 6,000 
hospitals, where its products are purchased for use in emergency departments, 
operating rooms, post-anesthesia care units, step-down intensive care units, 
special procedure rooms such as cardiac catheterization and gastrointestinal 
endoscopy, labor and delivery, general-care floors, and for transport of 
patients between departments.

In 1990, the General Services Administration approved the Company's Propaq 
monitors for purchase by United States government agencies, including the 
armed forces and Veterans' Administration hospitals.  The Company's products 
were added to the U.S. Government's international supply schedule in 1992.  In 
1995, the Company received approval from the U. S. Air Force for in-flight use 
of the 100 Series Propaq monitor.  In November 1997, the Propaq Encore was 
approved for use during all phases of flight on all U.S. Air Force aircraft.

The Company's national accounts managers negotiate and manage the Company's 
group contracts with organizations such as AmeriNet, University Hospital 
Consortium (UHC), Kaiser Permanente and others.  In 1995, the Company was 
exclusively awarded the Seal of Acceptance by the Alliance of Children's 
Hospitals, Inc., a cooperative of 33 children's hospitals across the U.S.  In 
1996, Protocol was awarded a sole source contract for non-critical care 
physiological monitoring by MAGNET, a 948-hospital group purchasing 
organization (GPO) based in Pennsylvania.  A similar sole source renewal was 
signed with Sisters of the Sorrowful Mother, a major Catholic GPO.  In July 
1997, the Company was awarded a two-year contract with Shared Services 
Healthcare, Inc. to offer monitoring products to over 1,000 purchasing 
affiliates of the group.  In February 1998, the Company signed an exclusive 3-
year purchasing agreement with American Medical Response, the largest 
ambulance service and emergency physician practice manager in the U.S.  The 
Company now has group contracts which include more than half of the acute care 
hospitals in the U.S.

The Company has developed a financial modeling tool called Proforma-TM- to
help hopitals evaluate the financial impact of Flexible Monitoring on the 
institutions.  Proforma facilitates sales of Flexible Monitoring systems by 
helping customers re-engineer the patient flow that can lower patient care 
costs.

INTERNATIONAL.  The Company markets its products internationally through 
independent distributors covering all major European and Pacific Rim markets 
and has sold its products in over 90 countries.  The agreements with these 
distributors generally provide the exclusive right to sell the Company's 
products in a specific geographic area or country subject to certain 
performance requirements. A team of five international sales managers 
supervise, assist and train this network of international distributors.  
International sales through independent distributors are made in U.S. dollars 
which has helped reduce any foreign currency risk.  The Company believes that 
its ability to provide monitors in English, German, French, Spanish or 
Japanese is an important international marketing advantage. 

In January 1998, the Company formed two wholly owned subsidiaries: Protocol 
Systems, S.A.R.L. and Protocol Systems, GmbH, operating in France and Germany, 
respectively.  These subsidiaries will provide direct sales and service to 
France and Germany.  Direct international sales are made in the local 
currency.

OEM.  Pryon's marketing strategy is to establish and develop OEM customer 
relationships with U.S. and international patient monitoring systems 
manufacturers.  Pryon's customers include Nellcor Puritan Bennett, SpaceLabs 
Medical, Medical Data Electronics, Marquette Electronics, Inc., Datex 
Engstrom, Hellige GmbH, Nihon Kohden, NEC Medical Equipment, G. Stemple GmbH, 
and others.

In 1990, the Company entered into a development and supply agreement with 
Gensia, Inc.  This agreement was amended in December 1997.  Under this 
agreement, the Company has developed a closed-loop drug delivery and 
monitoring device ("GenESA device").  The GenESA device will be used in 
combination with Gensia's novel drug "Arbutamine" for the diagnosis of 
coronary artery disease in conjunction with three major diagnostic modalities: 
electrocardiography (ECG), echocardiography, and radionuclide perfusion 
imaging.  OEM sales of this device to Gensia began in 1994 with delivery of 
pilot production units.  Gensia began shipments of the GenESA device to Europe 
in early 1995 and received FDA clearance to market the product in the United 
States in the third quarter of 1997.

CUSTOMER SUPPORT.  The Company maintains a technical support group to provide 
clinical in-service, installation, repair and technical training services in 
support of both direct and distributor sales.  Technical support offices are 
currently maintained in Beaverton, Oregon, the United Kingdom, Germany and 
Asia/Pacific (New Zealand). The Company provides maintenance and repair 
classes for distributors and the biomedical engineering personnel of its 
hospital customers. In addition, Protocol has developed a "Partners in Care" 
program designed to provide clinical education and training to customers 
installing Flexible Monitoring systems.  The services of Sun Microsystems and 
its third-party maintenance affiliates are available to support the Acuity 
central station.  Pryon provides its OEM customers technical support from 
their offices in Menomonee Falls, Wisconsin.  

WARRANTIES.  The Company warrants its Propaq products sold in the United 
States and Canada for three years from the date of original delivery to the 
ultimate purchaser and for one year if sold outside North America.  A 90-day 
warranty is provided on accessories included with the products at the time of 
purchase.  Sales of the Acuity central stations are warranted for a one-year 
period.  Pryon offers warranties between 9 and 24 months for OEM products and 
12 months for stand-alone products.  Optional extended warranty contracts are 
available for all Propaq products and the Acuity central stations.  

BACKLOG.  The majority of customer orders are filled within 30 days of order 
receipt.  As a result, order backlog is normally less than one to two months' 
production.  Due to these factors, the Company does not believe backlog is an 
accurate indication of future sales.

RESEARCH AND DEVELOPMENT

The Company's research and development efforts at both the Beaverton, Oregon 
and Menomonee Falls, Wisconsin locations focus on developing new products and 
expanding the capabilities of existing products.  The Company's research and 
development staff consists of 89 individuals with collective expertise in 
analog and digital circuit design, software design, networking and 
communications, mechanical and packaging design, mathematics, medical and 
clinical sciences, and optics and display technology.  During 1997, 1996 and 
1995, research and development expenses, net of reimbursed expenditures, were 
$8.7 million, $8.7 million and $7.6 million, respectively.  

The Company has taken a leadership role in the Andover Working Group (AWG) and 
CORBAmed, two industry organizations that are dedicated to the goal of 
interoperability between different hospital computer systems.  Using the 
standards adopted by CORBAmed and AWG, Protocol will be able to transmit 
Acuity central station data to any system that adheres to the adopted 
standards and is also programmed to utilize the kind of data the Acuity 
central station generates.  This capability provides a seamless exchange of 
data between the Flexible Monitoring system and hospital information systems.  
First demonstrated in October 1996 and February 1997 at industry conferences, 
the capability is expected to be included in the Acuity System Communications 
Option (ACO) which is expected to be available for customer shipments in late 
1998.

MANUFACTURING

Protocol's manufacturing operations consist of procurement and inspection of 
components, final assembly of electronic components and extensive testing of 
finished products.  The Company uses subcontractors for the fabrication and 
assembly of printed circuit boards.  By using this approach, the Company 
reduces its capital and employee requirements and can more easily and rapidly 
adopt emerging manufacturing technologies.

The Company currently procures all of its parts from outside suppliers and 
relies upon a number of single-source suppliers to provide certain parts for 
its products, including the pulse oximetry and EL display subassemblies.  To 
date, the Company has been able to obtain the necessary parts to meet 
manufacturing requirements.  There can be no assurance, however, that supply 
shortages or interruptions will not arise in the future, which could increase 
the cost or delay the shipment of the Company's products or cause the Company 
to incur costs to develop alternative sources, either of which could have a 
material adverse effect on the Company's results of operations.

The Company typically purchases components pursuant to open purchase orders 
placed from time to time in the ordinary course of business.  In order to 
reduce the risk of supply interruption, the Company maintains close working 
relationships with its suppliers and may choose to inventory selected 
components.

Quality and reliability are emphasized in the design and manufacture of the 
Company's products.  The Company believes it manufactures its products 
according to criteria that meet or exceed the requirements of all applicable 
domestic and foreign regulations and standards.  The Company's products 
undergo thorough quality inspection and testing throughout the manufacturing 
process.  In addition, Protocol's quality assurance group inspects, operates 
and verifies calibration and conformance with the customer order of all 
products prior to shipment.  

The Company's Beaverton, Oregon manufacturing facility received ISO 9001 and 
EN 46001 certifications in January 1998 for its engineering and design 
practices, which upgrades the ISO 9002 certification received in 1995 for the 
production of patient vital signs monitoring systems and closed-loop drug 
delivery/vital signs monitoring systems for diagnosis.  In 1995, the Company 
successfully completed a combined Premarket Approval (PMA) and Good 
Manufacturing Practices (GMP) audit by the FDA.  The PMA audit centered on the 
Company's manufacturing process for the GenESA device. The combined audit was 
completed with no adverse observations and without the issuance of Form 483.  
In November 1997, Protocol was a recipient of the 1997 Oregon Quality Award 
which is presented to organizations who demonstrate excellence and achievement 
in key areas such as customer focus and satisfaction process management, 
strategic planning and leadership.

Pryon manufactures and assembles its products at its facility in Menomonee 
Falls, Wisconsin.  Pryon has made significant capital and other investments to 
enhance its manufacturing process and systems including production specific 
systems, computerized in-process test stations, automatic computerized 
calibration, specialized test fixtures and an airway adapter test system.  In 
addition, Pryon has made a significant investment in personnel and systems in 
the areas of quality, regulatory and documentation control.  As a result of 
these efforts, Pryon received ISO 9001 and EN 46001 certifications in November 
1995, and achieved self certification status per Annex II of the Medical 
Device Directive in June 1996. Pryon completed a GMP audit in October 1996.  
This audit, as well as all previous GMP audits, was completed with no adverse 
findings and without the issuance of Form 483.

COMPETITION

The patient monitoring products market is intensely competitive and 
characterized by rapidly evolving technology.  Selling its products in 
multiple market segments, the Company faces a broad range of competitors, many 
of which have financial, technical, research and development and marketing 
resources significantly greater than those of the Company.  The Company's 
principal competitors are Datascope Corporation, Hewlett-Packard Co., 
Marquette Electronics, Inc., Medical Data Electronics, Inc., Siemens Medical 
Electronics, and Spacelabs Medical, Inc.  Pryon's competitors include 
Novametrix, Andros and Oridion (formerly Spegas).  In addition to the 
Company's existing competitors, other medical and electronic equipment 
companies could enter the markets in which the Company competes.

The Company believes that the principal competitive factors in its market are 
product depth and breadth, individual product features, reliability, customer 
service, product reputation, price and effectiveness of marketing and sales 
efforts.  In addition, the Company believes that the speed with which 
companies can identify medical needs and anticipate evolving standards of 
care, develop products to meet those needs and standards, and supply 
commercial quantities to the market are important competitive factors.  The 
Company believes that it competes favorably with respect to these factors.

PATENTS, TRADEMARKS AND COPYRIGHTS

The Company owns or has rights to eleven U.S. patents, and has ten U.S. patent 
applications pending related to the design and manufacture of patient 
monitoring instruments.  The Company owns or has the rights to six foreign 
patents.  The Company also owns eleven U.S. registered trademarks, has four 
U.S. trademark registration applications pending, owns eight registered 
trademarks in various countries and has one foreign trademark application 
pending.  In addition, the Company holds copyrights with respect to its 
proprietary software.  Pryon owns or has the rights to two U.S. patents.  
Although the Company has such proprietary rights, it believes that its success 
depends more upon the innovative skills and technical competence of its 
management and employees in responding to customer needs and changing markets 
than upon ownership of such rights.


GOVERNMENT REGULATION

The manufacture and sale of the Company's products are subject to substantial 
regulation by numerous governmental authorities, principally the FDA and 
corresponding foreign agencies.  The Company is subject to FDA regulations, 
standards and procedures with respect to registration of the Company's 
manufacturing facilities and the manufacture of its medical devices and to 
periodic FDA inspection for compliance therewith.  The FDA also has broad 
regulatory powers with respect to pre-clinical and clinical testing of new 
medical devices and the manufacturing, marketing and advertising of medical 
devices.

The Company is also subject to regulation in the foreign countries in which it 
markets its products.  Many of the regulations applicable to the Company's 
products in such countries are similar to those of the FDA.  However, certain 
foreign regulatory agencies establish product standards and qualification 
requirements for medical devices which are different from, and in some cases 
more stringent than, those in the United States.

The Company has received certification that the 100 Series Propaq monitor, the 
Propaq Encore monitor and the SC-300 and SC-210 stand alone CO2 monitors meet 
the essential requirements of the Medical Device Directive of the European 
Union.  This certification authorizes the Company to display the CE mark on 
its monitors and to sell monitors in the various countries of the European 
Union.  Prior to obtaining this certification, the Company was required to 
obtain product approvals from each of the pertinent regulatory agencies of the 
individual countries of the European Union.

Federal and foreign regulations regarding manufacture and sale of products 
such as those of the Company, as well as regulations and practices regarding 
the reimbursement of hospitals and other health care providers for the cost of 
service rendered, are subject to change.  Although the Company cannot predict 
what impact, if any, such changes might have on its business, it is possible 
that any such changes could adversely affect the Company's business.

EMPLOYEES

As of December 31, 1997, the Company had 409 employees, including 89 in 
research and development, 167 in manufacturing, 110 in marketing and sales and 
43 in administration.  The Company's future success will depend, in part, on 
its continued ability to attract and retain qualified personnel.  None of the 
Company's employees are represented by collective bargaining groups and the 
Company considers its relationships with employees to be good. 

ITEM 2. PROPERTIES

The Company's principal offices are located in Beaverton, Oregon and Menomonee 
Falls, Wisconsin.  The Company leases approximately 75,000 square feet at the 
Beaverton, Oregon location under a lease that expires in December 2005. The 
lease for 26,000 square feet at the Menomonee Falls, Wisconsin facility 
expires in June 1999. The primary manufacturing, warehousing, research and 
development, sales, marketing and administrative activities of the Company are 
conducted from these facilities which are nearly fully utilized and are 
maintained in good condition.  The Company believes that the properties 
subject to the lease and additional office space available under lease options 
will be sufficient to accommodate its operations for the near term.

ITEM 3.  LEGAL PROCEEDINGS

The Company is not a party to any material legal proceedings. 

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

No matters were submitted to a vote of security holders during the fourth 
quarter of the fiscal year ended December 31, 1997.


<PAGE>
PART II

ITEM 5.  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER 
MATTERS

The Company's common stock began trading on the Nasdaq Stock Market under the 
symbol PCOL on March 24, 1992 following the Company's initial public offering. 
As of March 23, 1998, there were 170 stockholders of record of Protocol common 
stock and approximately 3,800 beneficial owners of common stock.  No cash 
dividends have been paid on the common stock and the Company does not 
anticipate paying any cash dividends in the foreseeable future.

Following are the range of the high and low sales prices for the Company's 
common stock as reported by Nasdaq:

1997 -- QUARTER ENDED:                 HIGH      LOW
- - ----------------------------        ------    ------

December 31, 1997.................... $12.81    $ 9.88
September 30, 1997...................  12.75      7.63
June 30, 1997........................   8.94      7.00
March 31, 1997.......................  14.50      8.88


1996 -- QUARTER ENDED:                 HIGH      LOW
- - ----------------------------        ------    ------

December 31, 1996.................... $15.75    $10.00
September 30, 1996...................  23.25     15.25
June 30, 1996........................  26.38     15.63
March 31, 1996.......................  17.50     10.50


During the fourth quarter of 1997, the Company sold securities without 
registration under the Securities Act of 1933, as amended (the "Securities 
Act") upon the exercise of certain stock options granted under the Company's 
stock option plans.  An aggregate of 25,250 shares of Common Stock were issued 
at exercise prices ranging from $1.32 to $6.00.  These transactions were 
effected in reliance upon the exemption from registration under the Securities 
Act provided by Rule 701 promulgated by the Securities and Exchange Commission 
pursuant to authority granted under Section 3 (b) of the Securities Act.















ITEM 6.  SELECTED FINANCIAL DATA


<TABLE>
<CAPTION>

                                             Year Ended December 31,        
(in thousands, except 
per share amounts)                 1997     1996     1995     1994     1993
- ---------------------------     -------  -------  -------  -------  --------

<S>                              <C>      <C>      <C>      <C>      <C>
OPERATIONS DATA
      Sales                      $64,094  $66,894  $59,602  $48,158  $43,327
      Income from operations       3,316    5,005    6,010    4,098    3,823
      Income before cumulative 
        effect of change in 
        accounting principle       3,356    4,078    5,398    3,434    2,954
      Net income                   3,356    4,078    5,398    3,434    3,054

PER SHARE DATA
      Basic earnings per share 
        before cumulative effect 
        of change in accounting 
        principle                   $.38     $.47     $.64     $.42     $.37
      Diluted earnings per share 
        before cumulative effect 
        of change in accounting
        principle                    .36      .44      .60      .40      .34
      Basic earnings per share       .38      .47      .64      .42      .38
      Diluted earnings per share     .36      .44      .60      .40      .36
      Weighted average number of 
        shares used in the 
        computation of :
         Basic earnings
           per share               8,859    8,672    8,460    8,201    8,070
         Diluted earnings
           per share               9,253    9,373    9,004    8,639    8,573
      Dividends declared              --       --       --       --       --

BALANCE SHEET DATA
      Cash and investments       $25,570  $22,703  $24,267  $23,719  $19,466
      Working capital             42,475   43,783   30,853   33,352   30,399
      Total assets                63,755   59,045   57,220   48,196   42,213
      Long-term debt and capital 
        lease obligations,
        excluding current 
        maturities                    --       --    1,795      156      387
      Shareholders' equity        55,678   51,309   46,793   39,426   34,733
</TABLE>


<PAGE>

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
         RESULTS OF OPERATIONS 

RESULTS OF OPERATIONS

The following discussion and analysis of Results of Operations for 1996 and 
1995 has been restated to conform to the 1997 presentation.

1997 COMPARED TO 1996

SALES.  Sales decreased 4.2% to $64.1 million in 1997 from $66.9 million in 
1996.  Instrument sales (including the Propaq and Propaq Encore monitors and 
monitor options) decreased by $5.8 million or 12.4% from 1996.  The decline in 
instrument sales resulted from a decrease in the unit sales of 100 Series 
Propaq monitors, the older monitor model sold, and higher sales discounts.  
Sales of the Propaq Encore (200 Series) monitor increased from the prior year 
in both units and total dollars.  Sales of GenESA devices to Gensia 
Automedics, Inc. decreased $1.8 million or 76.1% in 1997.  These decreases 
were partially offset by an increase in sales of Acuity central stations, 
service, accessories, and the introduction of the QuikSigns monitor in 1997.  
Acuity central station sales increased $2.3 million or 86.7% in 1997 as a 
result of an increase in the number of Acuity central stations sold as well as 
higher average selling prices due to an increase in the size and scale of 
individual sales. 

Domestic sales, excluding military revenues and Original Equipment 
Manufacturer (OEM) sales of GenESA devices and Pryon OEM products, increased 
19.5% to $34.8 million (54.3% of total sales) in 1997 from $29.2 million 
(43.6% of total sales) in 1996.  The growth in domestic sales was primarily 
attributable to an increase in the sales of Acuity central stations and 
related instruments as a result of the growing market acceptance of the 
Company's Flexible Monitoring concept which enables health care providers to 
maximize patient monitor utilization and reduce overall monitoring costs.

U.S. military revenues decreased 60.2% to $3.4 million (5.3% of total sales) 
in 1997 from $8.5 million (12.7% of total sales) in 1996.  The Company 
attributes the decrease in its military revenues in 1997 to the unpredictable 
size and timing of military patient monitoring equipment procurements.

International sales, excluding international OEM sales of GenESA devices and 
Pryon OEM products, decreased 8.0% to $17.5 million (27.3% of total sales) in 
1997 from $19.0 million (28.5% of total sales) in 1996.  This decline in 
international sales was principally due to the increased strength of the U.S. 
dollar against foreign currencies and soft economic conditions in 
international markets, particularly in Europe and Asia.

OEM sales of GenESA devices and Pryon OEM products decreased 17.9% to $8.4 
million (13.1% of total sales) in 1997 from $10.2 million (15.2% of total 
sales) in 1996 due to decreased sales of GenESA devices to Gensia Automedics, 
Inc.  Gensia began shipments of GenESA devices to Europe in early 1995 and in 
1997 Gensia received clearance from the Food and Drug Administration (FDA) to 
market the GenESA device in the United States.  As a result of the FDA market 
clearance the development and supply agreement with Gensia was amended and the 
Company expects sales to Gensia to increase in 1998.

The Company announced in January 1998 that it expected net income in 1998 to 
remain relatively flat compared to 1997 as the Company plans to increase its 
marketing and sales efforts in 1998 by increasing the number of direct sales 
representatives, clinical applications specialists and field service 
engineers.  Additionally, the Company is establishing direct sales 
organizations in France and Germany in 1998.

GROSS PROFIT.  Gross profit as a percentage of sales decreased from 54.4% in 
1996 to 51.3% in 1997.  The decrease in gross profit as a percentage of sales 
was partially due to increased sales discounts, including discounts related to 
sales of refurbished instruments and an enterprise-wide upgrade of 
Massachusetts General Hospital's monitoring systems.  As a co-developer of the 
Company's Flexible Monitoring system, Massachusetts General Hospital had the 
right to purchase certain monitoring equipment for a small markup over cost.  
This right expired in October 1997.  Gross profit was also negatively impacted 
by additional warranty expenses incurred as a result of the Company's 
voluntary decision to replace a defective component in certain Propaq Encore 
monitors in 1997, as well as an increase in the percentage of sales of lower 
margin products including service, accessories and QuikSigns monitors.

RESEARCH AND DEVELOPMENT.  Research and development expenses remained 
consistent at $8.7 million in 1997 compared to $8.8 million in 1996.  As a 
percentage of sales, research and development expenses were 13.5% in 1997 and 
13.1% in 1996.

SELLING, GENERAL AND ADMINISTRATIVE.  Selling, general and administrative 
expenses increased 3.0% to $20.9 million in 1997 from $20.3 million in 1996.  
This increase resulted primarily from rising payroll and related costs 
associated with the growth of the sales organization and higher commission 
expense related to the increase in domestic sales.   As a percentage of sales, 
selling, general and administrative expenses were 32.6% in 1997 and 30.3% in 
1996.

Selling, general and administrative expenses are expected to increase in both 
total dollars and as a percentage of sales in 1998 as a result of anticipated 
increases in the number of direct sales representatives and clinical 
applications specialists employed by the Company and the establishment of 
direct sales organizations in France and Germany in 1998.

ACQUISITION RELATED AND LITIGATION SETTLEMENT CHARGES. In 1996, the Company 
incurred expenses of $2.1 million in connection with the acquisition of Pryon.  
Additionally, the Company incurred $275,000 in expenses in connection with the 
settlement of litigation regarding the 1991 termination of the Company's 
former Canadian distributor.   No such charges were incurred in 1997.

OTHER INCOME.  Other income (net) increased to $1.1 million in 1997 from 
$999,000 in 1996 primarily due to an increase in interest income on higher 
cash and investments balances as well as a slightly higher rate of return on 
investments.

PROVISION FOR INCOME TAXES.  The provision for income taxes decreased to $1.0 
million in 1997 from $1.9 million in 1996, representing effective tax rates of 
23.5% and 32.1%, respectively. The decrease in the effective tax rate resulted 
primarily from the effect in 1996 of nondeductible charges related to the 
acquisition of Pryon. Other factors that effect the tax rate comparison 
include lower 1997 state taxes and increased R&E tax credits created by the 
extension of the federal credit provisions, offset by greater tax benefits in 
1996 of deferred tax valuation reserve adjustments and utilization of net 
operating loss carryovers.

1996 COMPARED TO 1995

SALES.  Sales increased 12.2% to $66.9 million in 1996 from $59.6 million in 
1995.  Instrument sales (including the Propaq and Propaq Encore monitors and 
monitor options) increased by $7.0 million or 17.6% from 1995.  The growth in 
instrument sales resulted from increased unit sales of monitors and monitor 
options as well as increased average selling prices for monitors.  Average 
selling prices for monitors rose as  unit sales of the Propaq Encore (200 
Series) monitor increased and represented a larger percentage of total monitor 
unit sales.  Sales of the Propaq Encore monitor, which carries a higher list 
price than the Company's 100 Series Propaq monitor, began in June 1995.  
Increases in the sales of accessories, service, Acuity central stations and 
GenESA devices also contributed to the growth in total sales.

Domestic sales, excluding military revenues and Original Equipment 
Manufacturer (OEM) sales of GenESA devices and Pryon OEM products, increased 
9.4% to $29.2 million (43.6% of total sales) in 1996 from $26.7 million (44.7% 
of total sales) in 1995.  The growth in domestic sales is primarily due to the 
increase in sales of the Propaq Encore monitor and the growing market 
acceptance of the Company's Flexible Monitoring concept which enables 
hospitals to maximize patient monitor utilization and reduce overall 
monitoring costs.

U.S. military revenues increased 146.7% to $8.5 million (12.7% of sales) in 
1996 from $3.5 million (5.8% of sales) in 1995 due to several large shipments 
of monitoring equipment made to the U.S. Department of Defense in 1996.

International sales, excluding international OEM sales of GenESA devices and 
Pryon OEM products, increased 13.3% to $19.0 million (28.5% of total sales) in 
1996 from $16.8 million (28.2% of total sales) in 1995.  This growth in 
international sales was principally due to increased sales to the Company's 
Japanese distributor and  increased sales of the Propaq Encore monitor.

OEM sales of GenESA devices and Pryon OEM products decreased 19.7% to $10.2 
million (15.2% of total sales) in 1996 from $12.7 million (21.3% of total 
sales) in 1995.  OEM sales by Pryon decreased by $2.7 million or 25.7% due to 
reductions in orders from two of its largest OEM customers.  OEM sales of 
GenESA devices to Gensia, Inc. increased 9.6% to $2.4 million in 1996 from 
$2.2 million in 1995, partially offsetting the decrease in Pryon's sales. 

GROSS PROFIT.  Gross profit as a percentage of sales increased from 53.4% in 
1995 to 54.4% in 1996.  The increase in gross profit as a percentage of sales 
was largely due to the decline in OEM sales as a  percentage of total sales.   
OEM sales generally have lower margins than sales to end-user customers.  

RESEARCH AND DEVELOPMENT.  Research and development expenses increased 13.4% 
to $8.8 million in 1996 from $7.7 million in 1995.  The increase in expenses 
consisted primarily of payroll and related costs associated with the 
additional engineering headcount required to support the Company's development 
activities.  In addition, the inclusion of the expenses of the Company's 
Northern Ireland subsidiary, Protocol Medical Systems Limited, for a full 
twelve months in 1996 also contributed to the increase in expenses.  This 
subsidiary was acquired on July 31, 1995 and therefore, only a portion of the 
year's expenses were included in 1995.  As a percentage of sales, research and 
development expenses were 13.1% in 1996 and 13.0% in 1995.

SELLING, GENERAL AND ADMINISTRATIVE.  Selling, general and administrative 
expenses increased 12.2% to $20.3 million in 1996 from $18.1 million in 1995.  
This increase resulted primarily from rising payroll and related costs 
associated with the growth of the sales organization, higher administrative 
fees paid to hospital buying groups and increased travel costs for the 
domestic and international sales organizations.  As a percentage of sales, 
selling, general and administrative expenses were 30.3% in both 1996 and 1995.

ACQUISITION RELATED CHARGES. The Company incurred expenses of $2.1 million in 
1996 in connection with the acquisition of Pryon.  These expenses consisted 
principally of fees for investment banking, legal and accounting services as 
well as other expenses related to the combination of the two companies.

LITIGATION SETTLEMENT CHARGES.  In 1996, the Company incurred $275,000 in 
expenses in connection with the settlement of litigation regarding the 1991 
termination of the Company's former Canadian distributor.    

OTHER INCOME.  Other income (net) increased to $999,000 in 1996 from $916,000 
in 1995 primarily due to reduced  interest expense on the debt of Pryon.  
Following the Company's acquisition of Pryon in July 1996, the outstanding 
debt of Pryon was retired.

PROVISION FOR INCOME TAXES.  The provision for income taxes increased to $1.9 
million in 1996 from $1.5 million in 1995, representing effective tax rates of 
32.1% and 22.1%, respectively.  The increase in the effective tax rate 
resulted primarily from the effect of nondeductible charges related to the 
acquisition of Pryon and a reduction in the tax benefit from the utilization 
of Pryon's net operating loss carryovers.

LIQUIDITY AND CAPITAL RESOURCES

As of December 31, 1997, the Company's financial position remained strong as 
cash and investment balances totaling $25.6 million continued to provide the 
Company with a substantial source of capital and liquidity.  Working capital 
balances decreased to $42.5 million at December 31, 1997 from $43.8 million at 
December 31, 1996 primarily due to a shift in the Company's investment 
portfolio towards long-term investments.  The change in the mix of long-term 
and short-term investments also resulted in a decrease in the current ratio to 
6.5:1 at December 31, 1997 from 7.0:1 at December 31, 1996.

Operating activities generated positive cash flows of $4.5 million in 1997 
despite an increase in overall inventory balances.  Cash of $2.2 million was 
used for the acquisition of property and equipment in 1997.

No significant commitments for capital expenditures have been entered into as 
of December 31, 1997.  However, in January 1998 the Company's Board of 
Directors adopted a resolution authorizing the repurchase of up to 1,000,000 
outstanding shares of the Company's common stock over a 12 month period. As of 
March 23, 1998, the Company had repurchased  439,000 shares of common stock at 
a weighted average purchase price of $9.78 per share.  Additionally, 
management will continue to explore opportunities for strategic relationships 
with other companies and the possible acquisition of technologies or 
businesses, all of which may require significant future outlays of cash.  
Management believes that the combination of current cash and investment 
balances and cash flows from operations will be sufficient to meet the 
Company's liquidity and capital needs for 1998 and the foreseeable future. 


FORWARD-LOOKING STATEMENTS

This Management's Discussion and Analysis of Financial Condition and Results 
of Operations and other sections of this Annual Report contain forward-looking 
statements within the meaning of the Securities Litigation Reform Act of 1995 
that are based on current expectations, estimates and projections about the 
Company's business, management's beliefs and assumptions made by management.  
Words such as "expects," "anticipates," "intends," "plans," "believes," 
"seeks," "estimates" and variations of such words and similar expressions are 
intended to identify such forward-looking statements.  These statements are 
not guarantees of future performance and involve certain risks, uncertainties 
and assumptions that are difficult to predict.  Therefore, actual outcomes and 
results may differ materially from what is expressed or forecasted in such 
forward-looking statements due to numerous factors, including, but not limited 
to those discussed in this discussion and analysis of financial condition and 
results of operations, as well as those discussed elsewhere in the Annual 
Report and from time to time in the Company's Securities and Exchange 
Commission filings and reports, including the Company's Annual Report on Form 
10-K for the year ended December 31, 1997.  In addition, such statements could 
be affected by general industry and market conditions and growth rates, and 
general domestic and international economic conditions.

The Company's quarterly operating results have fluctuated in the past and may 
continue to fluctuate in the future depending on factors such as increased 
competition, timing of new product announcements, pricing changes by the 
Company or its competitors, length of sales cycles, market acceptance or 
delays in the introduction of new products or enhanced versions of existing 
products, timing of significant orders, regulatory approval requirements, 
product mix and economic factors and conditions generally and in the market 
for the Company's products specifically.  In particular, the Company's 
quarterly operating results have fluctuated as a result of the unpredictable 
size and timing of military patient monitoring equipment procurements, and 
seasonal or other changes in customer buying patterns.  A substantial portion 
of the Company's revenue in each quarter results from orders booked in that 
quarter.  Accordingly, revenue from quarter to quarter is difficult to 
forecast.  The Company's expense levels are based, in part, on its 
expectations as to future revenue.  If revenue levels are below expectations, 
operating results are likely to be adversely affected.  In particular, net 
income may be disproportionately affected by a reduction in revenue because 
only a small portion of expenses vary with revenue.  Results of operations in 
any period should not be considered indicative of the result to be expected 
for any future period, and fluctuations in operating results may also result 
in fluctuations in the price of the Company's common stock.  No assurance can 
be given that the Company will be able to grow in future periods or that its 
operations will remain profitable.

NEW ACCOUNTING PRONOUNCEMENTS

In June 1997, the Financial Accounting Standards Board issued SFAS No. 130, 
"Reporting Comprehensive Income".  The Statement establishes standards for the 
reporting and display of comprehensive income and its components.  The 
Statement requires that all items that are income be reported in a financial 
statement that is displayed with the same prominence as other financial 
statements. The Statement is effective for financial statements for fiscal 
years beginning after December 15, 1997.  The Company will adopt the statement 
for the year ended December 31, 1998.

In June 1997, the Financial Accounting Standards Board issued SFAS No. 131, 
"Disclosures about Segments of an Enterprise and Related Information".  The 
Statement changes the way public companies report segment information in 
annual financial statements and also requires those companies to report 
selected segment information in interim financial reports to shareholders.  
The Statement is effective for financial statements for fiscal years beginning 
after December 15, 1997.  The Company will adopt the statement for the year 
ended December 31, 1998.

<PAGE>
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

REPORT OF MANAGEMENT

The management of Protocol Systems, Inc. is responsible for the accompanying 
consolidated financial statements.  These consolidated financial statements 
were prepared by management in conformity with generally accepted accounting 
principles and necessarily include amounts which are based on management's 
best estimates and judgment.

Management is also responsible for maintaining systems of internal control to 
provide reasonable assurance that assets are safeguarded, business activities 
are executed in accordance with management authorization and transactions are 
properly recorded.

Throughout 1997, the Audit Committee of the Board of Directors was composed of 
two outside directors who were not officers or employees of the Company.  
These directors met regularly with management and with the independent 
auditors to  review matters related to accounting, financial reporting and the 
Company's systems of internal control.  The independent auditors have free 
access to the Audit Committee, without management present, to discuss these 
matters. 




/s/  David F. Bolender
Chief Executive Officer and Chairman of the Board



/s/  James B. Moon      
President and Chief Technical Officer



/s/  Craig M. Swanson
Vice-President Finance, Chief Financial Officer and Secretary


<PAGE>

INDEPENDENT AUDITORS' REPORT

To the Shareholders and Board of Directors of Protocol Systems, Inc.:

We have audited the accompanying consolidated balance sheets of Protocol 
Systems, Inc. and subsidiaries as of December 31, 1997 and 1996, and the 
related consolidated statements of operations, shareholders' equity, and cash 
flows for each of the years in the three-year period ended December 31, 1997.  
These consolidated financial statements are the responsibility of the 
Company's management.  Our responsibility is to express an opinion on these 
consolidated financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the financial statements are free of 
material misstatement.  An audit includes examining, on a test basis, evidence 
supporting the amounts and disclosures in the financial statements.  An audit 
also includes assessing the accounting principles used and significant 
estimates made by management, as well as evaluating the overall financial 
statement presentation.  We believe that our audits provide a reasonable basis 
for our opinion.

In our opinion, the consolidated financial statements referred to above 
present fairly, in all material respects, the financial position of Protocol 
Systems, Inc. and subsidiaries as of December 31, 1997 and 1996, and the 
results of their operations and their cash flows for each of the years in the 
three-year period ended December 31, 1997 in conformity with generally 
accepted accounting principles.



/s/ KPMG Peat Marwick LLP

Portland, Oregon
January 23, 1998



<PAGE>

                                 PROTOCOL SYSTEMS, INC.
                         Consolidated Statements of Operations
                        (in thousands except per share amounts)

<TABLE>
<CAPTION>


                                                   Year ended December 31,
                                                -----------------------------
                                                 1997       1996       1995
                                                -------    -------    -------
<S>                                             <C>        <C>        <C>
Sales                                           $64,094    $66,894    $59,602
Cost of sales                                    31,212     30,471     27,793

   Gross profit                                  32,882     36,423     31,809

Operating expenses:
  Research and development expenses               8,675      8,754      7,719
  Selling, general and administrative expenses   20,891     20,292     18,080
  Acquisition related charges                        --      2,097         --
  Litigation settlement charges                      --        275         --
                                                -------    -------    -------
    Total operating expenses                     29,566     31,418     25,799
                                                -------    -------    -------
    Income from operations                        3,316      5,005      6,010

Other income (expense):
  Interest income                                 1,104      1,156      1,164
  Interest expense                                   --       (110)      (186)
  Other                                             (32)       (47)       (62)
                                                -------    -------    -------
                                                  1,072        999        916
                                                -------    -------    -------
  Income before income taxes                      4,388      6,004      6,926

Provision for income taxes (note 9)               1,032      1,926      1,528
                                                -------    -------    -------
    Net income                                  $ 3,356    $ 4,078    $ 5,398
                                                -------    -------    -------
Earnings per share (note 6):
   Basic earnings per share                     $  0.38    $  0.47    $  0.64
                                                -------    -------    -------
   Diluted earnings per share                   $  0.36    $  0.44    $  0.60
                                                -------    -------    -------
Weighted average number of shares
  used in the computation of:
   Basic earnings per share                       8,859      8,672      8,460
   Diluted earnings per share                     9,253      9,373      9,004
</TABLE>
See accompanying notes to consolidated financial statements.



<PAGE>


                             PROTOCOL SYSTEMS, INC.
                          Consolidated Balance Sheets
                                (in thousands)

<TABLE>
<CAPTION>


                                                           December 31,
                                                      ---------------------
ASSETS                                                  1997         1996
                                                      --------     --------
<S>                                                   <C>          <C>
Current assets:
  Cash and cash equivalents                           $12,257      $ 6,903
  Short-term investments (note 3)                       6,524       14,787
  Accounts receivable:
    Trade, less allowance for doubtful accounts
      of $358 and $252 at 1997 and 1996, respectively  15,746       14,923
    Other                                                 360          533
  Inventories (note 2)                                 13,507       12,416
  Deferred income taxes (note 9)                        1,474        1,320
  Prepaid expenses and other                              276          166
                                                      -------      -------
        Total current assets                           50,144       51,048

Long-term investments (note 3)                          6,789        1,013
Property and equipment, at cost
  Equipment                                            11,732       10,180
  Furniture and fixtures                                1,757        1,419
  Leasehold improvements                                  683          654
                                                      -------      -------
                                                       14,172       12,253
  Less accumulated depreciation and amortization        9,597        7,775
                                                      -------      -------
      Net property and equipment                        4,575        4,478

Software development costs                                271          446
Other assets                                            1,976        2,060
                                                      -------      -------
                                                      $63,755      $59,045
                                                      -------      -------

LIABILITIES AND SHAREHOLDERS' EQUITY

Current liabilities:
  Accounts payable                                    $ 2,806      $ 2,480
  Accrued salaries, wages and related liabilities       2,375        2,514
  Other accrued liabilities                               606          739
  Income taxes payable                                    676          405
  Reserve for warranties                                1,084          985
  Deferred revenue and customer deposits                  122          142
                                                      -------      -------
    Total current liabilities                           7,669        7,265

Deferred income taxes (note 9)                            408          471

Commitments (note 8)                                       --           --

Shareholders' equity (note 4):
   Preferred stock, $.01 par value.  Authorized 
     10,000 shares; 0 shares issued and 
      outstanding at 1997 and 1996                         --           --
   Common stock, $.01 par value.  Authorized
     30,000 shares; issued and outstanding
      8,935 at 1997 and 8,744 at 1996                      89           87
  Additional paid-in capital                           35,414       34,363
  Unrealized holding gain on investments (note 3)          33           32
  Retained earnings                                    20,077       16,721
  Foreign currency translation adjustment                  65          106
                                                      -------      -------
        Total shareholders' equity                     55,678       51,309
                                                      -------      -------
                                                      $63,755      $59,045
                                                      -------      -------
</TABLE>

See accompanying notes to consolidated financial statements.


<PAGE>

                                  PROTOCOL SYSTEMS, INC.
                       Consolidated Statements of Shareholders' Equity
                                     (in thousands)
<TABLE>
<CAPTION>
                                                                      Foreign     Total
                    Common stock   Additional  Unrealized            currency     share-
                  -----------------  paid-in     holding    Retained translation holders'
                  Shares  Par value  capital    gain (loss) earnings adjustment   equity
                  ------  --------- ---------  -----------  -------- ----------- ---------
<S>                <C>       <C>     <C>          <C>        <C>         <C>      <C>
Balance at 
 December 31, 1994 8,312     $83     $32,332      ($233)     $7,245      $ --     $39,427
Common stock 
 issued under
  stock purchase 
   and stock 
    option plans     155       2         678         --          --        --         680
Tax benefit from 
 stock option
  incentive plans     --      --         191         --          --        --         191
Common stock issued
 for purchase of 
  subsidiary         145       1         851         --          --        --         852
Unrealized holding
 gain on
  investments
   (note 3)           --      --          --        279          --        --         279
Net income            --      --          --         --       5,398        --       5,398
Foreign currency
 translation
  adjustment          --      --          --         --          --       (34)        (34)
                  ------  --------- ---------  -----------  -------- ----------- ---------
Balance at
 December 31, 1995 8,612      86      34,052         46      12,643       (34)     46,793
Common stock
 issued under
  stock purchase
   and stock
    option plans     189       2         948         --          --        --         950
Tax benefit from
 stock option
  incentive plans     --      --         531         --          --        --         531
Vesting of shares
 issued for
  purchase of
   subsidiary         --      --          92         --          --        --          92
Repurchase of
 common stock        (57)     (1)     (1,260)        --          --        --      (1,261)
Unrealized holding
 loss on
  investments
   (note 3)           --      --          --        (14)         --        --         (14)
Net income            --      --          --         --       4,078        --       4,078
Foreign currency 
 translation
  adjustment          --      --          --         --          --       140         140
                  ------  --------- ---------  -----------  -------- ----------- ---------
Balance at 
 December 31, 1996 8,744      87      34,363         32      16,721       106      51,309
Common stock
 issued under
  stock purchase
   and stock
    option plans     191       2         879         --          --        --         881
Tax benefit from
 stock option
   incentive plans    --      --          81         --          --        --          81
Vesting of shares
 issued for
  purchase of
   subsidiary         --      --          91         --          --        --          91
Unrealized holding
 gain on
  investments
   (note 3)           --      --          --          1          --        --           1
Net income            --      --          --         --       3,356        --       3,356
Foreign currency 
 translation
  adjustment          --      --          --         --          --       (41)        (41)
                  ------  --------- --------- ------------  -------- ----------- ---------
Balance at 
 December 31, 1997 8,935     $89     $35,414        $33     $20,077       $65     $55,678
                  ------  --------- --------- ------------  -------- ----------- ---------
</TABLE>

See accompanying notes to consolidated financial statements.


<PAGE>


                                 PROTOCOL SYSTEMS, INC.
                         Consolidated Statements of Cash Flows
                                    (in thousands)

<TABLE>
<CAPTION>

                                                               Year ended December 31,
                                                         -------------------------------
                                                            1997        1996       1995
                                                         -------------------------------
<S>                                                      <C>          <C>         <C>
Cash flows from operating activities:
  Net income                                             $ 3,356      $4,078      $5,398

  Adjustments to reconcile net income to net cash
    provided by operating activities:
    Depreciation and amortization                          2,365       2,196       1,802
    Amortization of bond premium                             312         398         240
    Provision for deferred income taxes                     (250)       (125)       (390)
    Increase (decrease) in cash resulting from changes in:
        Accounts receivable                                 (653)         34      (4,299)
        Inventories                                       (1,098)     (2,530)     (1,886)
        Prepaid expenses and other assets                   (130)        148         201
        Accounts payable and accrued expenses                199         142         428
        Income taxes payable                                 271        (845)        471
        Reserve for warranties                                99         (70)         75
        Deferred revenue and customer deposits               (20)         (6)        (59)
                                                         --------    --------     -------
        Net cash provided by operating activities          4,451       3,420       1,981

Cash flows from investing activities:
  Purchase of investments                                (14,539)     (9,683)     (25,498)
  Proceeds from maturity of investments                   16,715      13,764       22,966
  Acquisition of property and equipment                   (2,198)     (2,528)      (2,228)
  Expenditures for software development                      (26)       (205)        (131)
  Acquisition of intangible assets                           (10)       (200)          --
  Cash paid for acquisition of subsidiary, net 
    of cash acquired                                          --          --         (237)
                                                         --------    --------     --------
        Net cash provided by (used in) investing 
          activities                                         (58)      1,148       (5,128)

Cash flows from financing activities:
  Proceeds from stock option and stock purchase plans 
     and related tax benefits                                962       1,481          871
  Repurchase of  common stock                                 --      (1,261)          --
  Proceeds from long-term debt                                --         --         1,831
  Principal payments on long-term debt                        --      (1,894)      (1,571)
                                                         --------    --------     --------
        Net cash provided by (used in) financing
          activities                                         962      (1,674)       1,131

Effect of exchange rates on cash and cash equivalents         (1)         35           (6)
                                                         --------    --------     --------
        Net increase (decrease) in cash and 
          cash equivalents                                 5,354       2,929       (2,022)

Cash and cash equivalents at beginning of year             6,903       3,974        5,996
                                                         --------    --------     --------
Cash and cash equivalents at end of year                 $12,257      $6,903       $3,974
                                                         --------    --------     --------

Supplemental disclosures of cash flow information:
  Cash paid for interest                                     --       $  119       $  179
                                                         --------    --------     --------
  Cash paid for income taxes                             $   933      $2,364       $1,255
                                                         --------    --------     --------

Supplemental schedule of noncash financing activities:
  Increase in investment in Protocol Medical Systems,
    Ltd. due to release of compensatory shares of
    common stock from escrow                             $    91      $   92
  Fair value of net assets of subsidiary, consisting
    primarily of intangible technology assets,
    acquired by issuance of common stock and
    liabilities incurred                                                           $  754
</TABLE>
 See accompanying notes to consolidated financial statements.


<PAGE>

                               PROTOCOL SYSTEMS, INC.
                     NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

PRINCIPLES OF CONSOLIDATION
The consolidated financial statements include the accounts of Protocol 
Systems, Inc. and its wholly owned subsidiaries (the "Company").  All material 
intercompany balances and transactions have been eliminated in consolidation.

CASH AND CASH EQUIVALENTS
For purposes of these consolidated financial statements, the Company considers 
all highly liquid securities purchased with an original or effective maturity 
of three months or less to be cash equivalents.

INVESTMENTS
In accordance with the provisions of Statement of Financial Accounting 
Standards No. 115 (SFAS 115), "Accounting for Certain Investments in Debt and 
Equity Securities", all investments in marketable securities are classified as 
available-for-sale and are reported at their fair market value.

Short-term investments consist of highly liquid securities with maturities of 
less than one year.  Long-term investments consist of highly-rated notes and 
bonds from a variety of issuers with maturities of greater than one year and 
less than two years.

INVENTORIES
Inventories consist primarily of raw materials, work in process, finished 
goods and demonstration instruments and are valued at the lower of cost or 
market.  Cost is determined on the first-in, first-out basis (FIFO).

PROPERTY AND EQUIPMENT
Property and equipment is stated at cost.  Depreciation is computed using the 
straight-line method over the estimated useful lives of the various assets, 
generally three to five years.  Leasehold improvements are amortized using the 
straight-line method over a period of five years or the life of the lease, 
whichever is shorter.  Depreciation expense, including amortization of capital 
leases, totaled $2,058,000, $1,860,000, and $1,467,000 for 1997, 1996, and 
1995, respectively.

SOFTWARE DEVELOPMENT COSTS
The Company capitalizes certain software development costs incurred in 
accordance with the provisions of Statement of Financial Accounting Standards 
No. 86.  These capitalized costs are amortized using the straight-line method 
over the estimated economic life of the software, which is not anticipated to 
exceed three years.  The Company capitalized software development costs of 
$26,000, $205,000, and $131,000 in 1997, 1996, and 1995, respectively.  

Amortization expense related to capitalized software development costs of 
$202,000, $244,000, and $276,000 was recorded in 1997, 1996, and 1995, 
respectively.  Amortization of capitalized software costs is included in cost 
of sales in the consolidated statements of operations.  Accumulated 
amortization at December 31, 1997 and 1996 was $1,314,000 and $1,112,000, 
respectively.

INTANGIBLE ASSETS
Intangible assets, which are classified as other non-current assets, are 
stated at historical cost less accumulated amortization.  The Company's 
intangible assets include purchased intangible assets of $350,000 consisting 
of $150,000 of patents and an engineering software license of $200,000.  The 
patents are amortized using the straight-line method over their estimated 
economic lives of ten years. Amortization of the engineering software license 
will commence upon the initial sale of the related product.  Accumulated 
amortization of these assets was $50,000 at December 31, 1997.  

The Company acquired the technology rights to the Universal Defibrillator 
Module (UDM), a compact, lightweight, microprocessor-based system, through its 
acquisition in 1995 of Protocol Medical Systems Limited, formerly Omeara 
Limited.  The total value assigned to this asset at time of purchase was 
$1,560,000.  Amortization of this asset will commence upon the initial sale of 
a combined monitor/defibrillator product.

FOREIGN CURRENCY TRANSLATION
The functional currency of the Company's foreign subsidiary, Protocol Medical 
Systems Limited, is the local currency.  Assets and liabilities of Protocol 
Medical Systems Limited are translated into U.S. dollars at the current 
exchange rate as of the balance sheet date.  Revenues and expenses are 
translated using a weighted average exchange rate for the period presented.  
Adjustments resulting from the translation of the financial statements of 
Protocol Medical Systems Limited are included as a separate component of 
consolidated shareholders' equity.

Cash flows from Protocol Medical Systems Limited are calculated using its 
functional currency.  As a result, changes in assets and liabilities reported 
on the consolidated statements of cash flows will not necessarily agree to 
changes in the corresponding items on the consolidated balance sheets.  The 
effect of exchange rate changes on cash balances held in foreign currencies is 
reported as a separate line item in the consolidated statements of cash flows.

REVENUE RECOGNITION
Revenue is recognized and all related costs, including warranty, are recorded 
upon transfer of title and risk of loss to the customer which generally occurs 
upon product shipment. 

BASIC AND DILUTED EARNINGS PER SHARE
During 1997, the Company adopted Statement of Financial Accounting Standards 
(SFAS) No. 128, "Earnings per Share."  In accordance with the requirements of 
SFAS 128 both basic earnings per share and diluted earnings per share are 
presented.  Basic earnings per share is computed using the weighted average 
number of common shares outstanding and diluted earnings per share is computed 
using the weighted average number of common shares outstanding and dilutive 
potential common shares assumed to be outstanding during the period using the 
treasury stock method.  Dilutive potential common shares consist of options to 
purchase common stock. 

FINANCIAL INSTRUMENTS
The recorded amount of financial instruments approximates the fair market 
value.

USE OF ESTIMATES
These consolidated financial statements were prepared by management in 
conformity with generally accepted accounting principles and necessarily 
include amounts which are based on management's best estimates and judgment.  
Actual results could differ from those estimates.

RECLASSIFICATIONS
Certain reclassifications have been made to the consolidated financial 
statements for 1996 and 1995 to conform to the 1997 presentation.

STOCK-BASED COMPENSATION PLANS
Prior to 1996, the Company accounted for its stock plans in accordance with 
the provisions of Accounting Principles Board (APB) Opinion No. 25, 
"Accounting for Stock Issued to Employees."  Under APB No. 25, compensation 
expense would be recorded on the date of grant of an option only if the 
current market price of the underlying stock exceeded the exercise price under 
the option.  Effective in 1996, the Company adopted Statement of Financial 
Accounting Standards (SFAS) No. 123, "Accounting for Stock-Based 
Compensation," which establishes a fair value method of accounting for stock 
plans.  As allowed under SFAS No. 123, the Company has elected to continue to 
apply the provisions of APB No. 25 to its plans covering employees and non-
employee directors, and to provide pro-forma disclosures of the effects of 
SFAS No. 123 on net income and earnings per share.


NOTE 2.  INVENTORIES

<TABLE>
<CAPTION>

The components of inventories are as follows:
(in thousands)                                              1997      1996
                                                          -------   -------
<S>                                                       <C>       <C>
Raw materials                                             $ 5,521   $ 4,921
Work in process                                             2,460     2,307
Finished goods                                              3,569     3,396
Demonstration instruments                                   1,957     1,792
                                                          -------   -------
     Total inventories                                    $13,507   $12,416
                                                          -------   -------
</TABLE>

NOTE 3.  INVESTMENTS

At December 31, 1997, the fair market value of short-term and long-term 
investments was $13,313,000 while short-term and long-term investments stated 
at amortized cost were $13,280,000 resulting in an unrealized holding gain of 
$33,000.  At December 31, 1996, the fair market value of short-term and long-
term investments was $15,800,000 while short-term and long-term investments 
stated at amortized cost were $15,768,000 resulting in an unrealized holding 
gain of $32,000.  Unrealized holding gains and losses on available-for-sale 
securities are reported as a separate component of shareholders' equity until 
realized.


NOTE 4.  SHAREHOLDERS' EQUITY

PREFERRED STOCK
The Company is authorized to issue 10,000,000 shares of $.01 par value 
preferred stock.  At December 31, 1997, no preferred shares were issued; 
however, 100,000 shares of Series D Junior Participating Preferred Stock had 
been designated and reserved.  Additional series of preferred stock may be 
designated and the related rights and preferences fixed by action of the Board 
of Directors.

COMMON STOCK OPTIONS
Pursuant to the Company's 1987 and 1992 stock option plans, the Board of 
Directors has the authority to grant incentive stock options.  The incentive 
stock options generally vest at a rate of 25% per year, with the Board having 
authority to accelerate the vesting schedules.  The options expire ten years 
from the date of grant.  The incentive stock option price is determined by the 
Board of Directors, but may not be less than the fair market value of the 
Company's common stock on the date of grant.

Non-statutory stock options may also be granted pursuant to the 1992 stock 
option plan.  The option price for the non-statutory stock options is 
determined by the Board of Directors on the date of grant, but may not be less 
than the fair market value of the Company's common stock on the grant date.  
The outstanding options vest at a rate of 25% per year, with the Board having 
authority to accelerate the vesting schedules.  Non-statutory options expire 
ten years from the date of grant.

Pursuant to the Company's 1993 Stock Option Plan for Nonemployee Directors, 
each nonemployee director will receive an initial option to purchase 10,000 
shares of common stock immediately following the annual meeting of 
shareholders at which such director is first elected to the Board of 
Directors.  The initial option  grant vests ratably over a three year period.  
Following each subsequent annual meeting of shareholders, each nonemployee 
director will receive an additional option, which is immediately exercisable, 
to purchase 3,000 shares of common stock.  The option price for the non-
statutory stock options granted pursuant to the plan may not be less than the 
fair market value of the Company's common stock at the date of grant.  Each 
option expires ten years from the date of grant.

As of December 31, 1997, there were 203,113 stock options available for grant 
under the 1992 option plan, 257,000 non-statutory stock options available for 
grant under the 1993 option plan for non-employee directors and no stock 
options available for grant under the 1987 option plan.  The Company has 
reserved 1,837,736 shares of common stock for future issuance pursuant to 
these plans.

The following is a summary of option activity under the Company's option plans:

<TABLE>
<CAPTION>

                                        INCENTIVE               NON-STATUTORY
                                      STOCK OPTIONS             STOCK OPTIONS
                                 ------------------------   -----------------------
<S>                               <C>         <C>            <C>       <C>
                                    NUMBER       PRICE        NUMBER       PRICE
                                  OF SHARES    PER SHARE    OF SHARES    PER SHARE
                                 ----------  ------------   --------- -------------
Outstanding at December 31, 1994   951,415   $ .35 -11.00     72,773  $7.25 -11.00
      Exercised                    (97,866)   1.32 -11.00    ( 7,000)         7.25
      Cancelled                    (37,399)   2.55 -12.00         --            --
      Granted                      182,188    1.06 -12.00     12,000          9.75
                                 ----------  ------------   --------- -------------
Outstanding at December 31, 1995   998,338     .35 -12.00     77,773   7.25 -11.00
      Exercised                   (123,871)    .35 -11.50    (19,000)  7.25 - 9.75
      Cancelled                    (33,277)    .89 -26.00         --            --
      Granted                      381,788   10.50 -26.00     77,552  12.13 -18.75
                                 ----------  ------------   --------- -------------
Outstanding at December 31, 1996 1,222,978     .35 -26.00    136,325   7.25 -18.75
      Exercised                   (108,408)    .35 -10.75         --            --
      Cancelled                   (408,426)    .89 -26.00         --            --
      Granted                      504,404    7.00 -13.75     30,750   8.00 -13.75
                                 ----------  ------------   --------- -------------
Outstanding at December 31, 1997 1,210,548   $ .35 -20.75    167,075  $7.25- 18.75
                                 ----------  ------------   --------- -------------
</TABLE>

There were 617,438 and 634,803 incentive stock options and 107,461 and 59,807 
non-statutory stock options exercisable at December 31, 1997 and 1996, 
respectively. 

SHAREHOLDER RIGHTS PLAN
In March 1992, the Board of Directors approved a shareholder rights plan and 
declared a dividend of one preferred share purchase right for each outstanding 
common share.  Each right represents the right to purchase one one-hundredth 
of a share of Series D Junior Participating Preferred Stock, par value $.01 
per share, at an exercise price of $40, subject to adjustment.  The rights are 
only exercisable ten days after a person or group acquires, or commences a 
tender or exchange offer to acquire, beneficial ownership of 20% or more of 
the Company's outstanding common shares.  Subject to the terms of the 
shareholder rights plan and upon the occurrence of certain events, each right 
would entitle the holder to purchase common shares of the Company, or of an 
acquiring company in certain circumstances, having a market value of two times 
the exercise price of the right.  The  rights expire in March 2002, but may be 
redeemed by action of the Board of Directors prior to that time at $.01 per 
right. 

EMPLOYEE STOCK PURCHASE PLAN
On May 19, 1994, the Company's shareholders approved the 1994 Employee Stock 
Purchase Plan.  Pursuant to this plan, employees of the Company may elect to 
accumulate funds of up to 10% of their cash compensation via payroll deduction 
to purchase shares of the Company's common stock.  Under the plan, 91,736, 
45,972, and 50,295 shares of common stock were issued in 1997, 1996, and 1995, 
respectively.  The Company has reserved 86,523 shares of common stock for 
future issuance under this plan.

NOTE 5.  STOCK-BASED COMPENSATION PLANS

At December 31, 1997, the Company had four plans providing for stock 
compensation; three fixed option plans under which options are granted to 
acquire company stock at exercise prices equal to 100% of the fair value of 
the stock as of the date the option is granted, and an employee stock purchase 
plan, which provides for six-month enrollment periods under which shares may 
be purchased at 85% of the lesser of the fair value at the beginning or end of 
the enrollment period.  

The Company applies APB No. 25 in accounting for these plans and, accordingly, 
no compensation cost has been recognized with respect thereto.  Had 
compensation cost for these plans been determined consistent with SFAS No. 
123, the Company's net income and basic and diluted earnings per share would 
have been reduced to the pro forma amounts shown in the following table:

<TABLE>
<CAPTION>
                                                 1997      1996      1995
                                               -------    ------    ------
<S>                          <C>                <C>       <C>       <C>
Net income (in thousands)    As reported        $3,356    $4,078    $5,398
                             Pro forma          $1,811    $3,155    $5,086

Basic earnings per share     As reported        $ 0.38    $ 0.47    $ 0.64
                             Proforma           $ 0.20    $ 0.36    $ 0.60

Diluted earnings per share   As reported        $ 0.36    $ 0.44    $ 0.60
                             Proforma           $ 0.20    $ 0.35    $ 0.57
</TABLE>

The pro forma information presented above includes only the effects of 
applying SFAS No. 123 to options granted in 1997, 1996 and 1995.  Because 
options generally vest over a number of years and additional awards are made 
each year, the pro forma 1997, 1996 and 1995 amounts are not representative of 
the effect SFAS No. 123 would have had on net income and earnings per share 
had it been applied to options granted prior to 1995.  The resulting pro forma 
compensation costs may not be representative of that expected in future years.

The fair value of compensation cost reflected in the above pro forma amounts 
was determined using the Black-Scholes option pricing model and the following 
weighted-average assumptions:  (1) risk-free interest rate: 1997 - 6.18%; 1996 
- -  6.14%; 1995 - 6.59%;  (2) expected life of option - 5 years;  (3) expected 
volatility - .60;  and (4) expected dividends - 0%.

Information with respect to the Company's fixed option plans for 1997, 1996 
and 1995 is provided below:

<TABLE>
<CAPTION>
                                                        Weighted-average
                               Number of shares     exercise price per share
                               ----------------     ------------------------
<S>                              <C>                         <C>
Balance at December 31, 1994     1,024,188                   $ 5.21
     Granted                       194,188                     9.27
     Exercised                    (104,866)                    3.17
     Cancelled                     (37,399)                    7.79
     Expired                            --                       --
                                 ---------                   -------
Balance at December 31, 1995     1,076,111                     6.01
     Granted                       459,340                    14.64
     Exercised                    (142,871)                    3.49
     Cancelled                     (33,277)                   14.66
     Expired                            --                       --
                                 ---------                   -------
Balance at December 31, 1996     1,359,303                   $ 8.51
     Granted                       535,154                     8.38
     Exercised                    (108,408)                    2.02
     Cancelled                    (408,426)                   12.93
     Expired                            --                       --
                                 ---------                   -------
Balance at December 31, 1997     1,377,623                   $ 7.66
                                 ---------                   -------
</TABLE>

The weighted-average grant date fair value of options granted during 1997, 
1996, and 1995 was $4.80, $8.33 and $5.38, respectively.  Additional 
information regarding options as of December 31, 1997 is as follows:

<TABLE>
<CAPTION>

                     Options outstanding              Options exercisable
- ------------- -------------------------------------  ------------------------
                            Weighted-     Weighted-                 Weighted-
  Range of                   average       average                   average
  exercise       Number     remaining      exercise      Number     exercise
   prices     outstanding      life          price     exercisable    price
- ------------- -------------------------------------  ------------------------
<C>              <C>        <C>            <C>          <C>          <C>
$ 0.35-$ 6.00    369,508    3.90 years     $ 3.47       358,464      $ 3.42
  6.25-  7.75    500,949    8.50 years       7.02       123,325        7.09
  7.88- 12.00    275,316    6.82 years       9.36       182,406        9.09
 12.00- 20.75    231,850    8.61 years      13.73        60,704       14.24
- ------------- -----------  -----------     -------   -----------     --------
$ 0.35-$20.75  1,377,623    6.95 years     $ 7.66       724,899      $ 6.37
- ------------- -----------  -----------     -------   -----------     --------
</TABLE>

STOCK OPTION REPRICING
In June 1997, the Compensation Committee of the Board of Directors adopted a 
resolution to offer employees (other than officers and directors) holding 
incentive stock options from the 1987 and 1992 stock option plans the 
opportunity to exchange their existing stock options for new incentive stock 
options.  The exchange allowed employees to receive options for the same 
number of shares at an exercise price of $7.00 per share, the then current 
market price.  The new options vest at a rate of 25% per year.  The offer was 
made because the Board of Directors believes lower-priced options provide a 
greater retention advantage and incentive to key employees.  Option holders 
elected to exchange options covering 351,744 shares, with an average original 
exercise price of $13.13 per share.

NOTE 6.  EARNINGS PER SHARE

A reconciliation of the numerator and denominator between basic and diluted 
earnings per share calculations for 1997, 1996 and 1995 is as follows:

<TABLE>
<CAPTION>

(in thousands except                       Weighted Average
per share amounts)        Net Income       Number of Shares     Per Share
                          (numerator)        (denominator)       Amounts
                          -----------      -----------------    ---------
1997
- ----
<S>                          <C>                 <C>              <C>
Basic earnings per share     $3,356              8,859            $0.38
                                                                  -----
Effect of dilutive stock
  options                        --                394
                             ------              -----
Diluted earnings per share   $3,356              9,253            $0.36
                                                                  -----

1996
- ----
Basic earnings per share     $4,078                8,672           $0.47
                                                                   -----
Effect of dilutive stock
  options                        --                  701
                             ------                -----
Diluted earnings per share   $4,078                9,373           $0.44
                                                                   -----

1995
Basic earnings per share     $5,398                8,460           $0.64
                                                                   -----
Effect of dilutive stock
  options                        --                  544
                             ------                -----
Diluted earnings per share   $5,398                9,004           $0.60
                                                                   -----
</TABLE>

The number of options to purchase shares of common stock that were outstanding 
but were not included in the computation of diluted earnings per share because 
the options' exercise price was greater than the average market price of the 
shares were 414,000, 54,000, and 31,000 for 1997, 1996, and 1995, 
respectively.  

NOTE 7.  SUBSEQUENT EVENT

On January 7, 1998, the Board of Directors adopted a resolution that 
authorizes the repurchase of up to 1,000,000 shares of the Company's currently 
outstanding shares of common stock over a 12 month period.  The stock 
repurchases will be effected through open market purchases, privately 
negotiated transactions, or in such other manner as will comply with the 
provisions of the Securities Exchange Act of 1934.  As of March 23, 1998, the 
Company had repurchased  439,000 shares of common stock at an weighted average 
purchase price of $9.78 per share.


NOTE 8.  LEASES

The Company leases its primary office and manufacturing facilities under long-
term operating leases which expire in December 2005 for the Beaverton, Oregon 
facility and June 1999 for the Menomonee Falls, Wisconsin facility.  Other 
operating leases have been entered into in connection with the lease of 
additional office space and capital equipment.  Minimum future rental payments 
under all operating leases are as follows:

<TABLE>
<CAPTION>

             Year ending
             December 31,                         (in thousands)
             -----------                          --------------
             <S>                                      <C>
                1998                                  $  869
                1999                                     992
                2000                                   1,107
                2001                                   1,158
                2002                                   1,120
                Thereafter                             3,639
                                                      ------
                 Total future minimum lease payments  $8,885
                                                      ------
</TABLE>

Total rental expense for all operating leases was $767,000, $868,000, and 
$512,000 for the years ended December 31, 1997, 1996, and 1995, respectively.


NOTE 9.  INCOME TAXES

The provision for income taxes consists of the following:

<TABLE>
<CAPTION>

(in thousands)                               1997       1996        1995
                                            -----       -----       -----
<S>                                         <C>         <C>         <C>
Current:
     Federal                                $1,080      $1,707      $1,625
     Foreign                                     4          28          19
     State                                     198         316         274
                                            ------      ------      ------
                                             1,282       2,051       1,918
Deferred:
     Federal                                  (156)        (85)       (297)
     Foreign                                   (65)        (51)        (71)
     State                                     (29)         11         (22)
                                            ------      ------       ------
                                              (250)       (125)       (390)
                                            ------      ------       ------
          Total                             $1,032      $1,926      $1,528
                                            ------      ------       ------
</TABLE>


A reconciliation showing the reasons for the difference between the Company's 
effective tax rate and the statutory Federal income tax rate of 34% is as 
follows:

<TABLE>
<CAPTION>
                                             1997       1996        1995
                                            -----      -----       -----
<S>                                          <C>        <C>         <C>
Federal statutory rate                       34.0%      34.0%       34.0%
State taxes, net of federal benefit           2.5        4.0         3.5
Research and experimentation credits         (7.6)      (3.4)       (2.4)
Tax benefit of foreign sales corporation     (2.3)      (3.3)       (2.4)
Tax benefit of exempt interest income        (5.6)      (4.4)       (4.0)
Decrease in valuation allowance                --       (2.7)       (1.9)
Net operating loss carryovers utilized         --       (3.0)       (4.4)
Non-deductible acquisition related charges     --       11.3          --
Other, net                                    2.5        (.4)        (.3)
                                            -----      -----       -----
Effective tax rate                           23.5%      32.1%       22.1%
                                            -----      -----       -----
</TABLE>

The tax effects of temporary differences that give rise to significant 
portions of the deferred tax assets and deferred tax liabilities at December 
31, 1997 and 1996 are presented below:

<TABLE>
<CAPTION>

(in thousands)
                                                    1997            1996
                                                    -----           -----
<S>                                                 <C>             <C>
Deferred tax assets:
   Reserve for warranties                           $ 419           $ 380
   Inventory valuation adjustments                    615             482
   Accrued vacation                                   213             216
   Allowance for doubtful accounts                    138              97
   Net operating loss carryovers                      422             330
   Federal and state tax credit carryovers            414             392
   Other                                              330             401
                                                    -----           -----
  Gross deferred tax assets                         2,551           2,298
      Valuation allowance                            (987)           (878)
                                                    -----           -----
      Deferred tax assets                           1,564           1,420
Deferred tax liabilities:
   Depreciation                                       (65)            (67)
   Intangible technology rights                      (405)           (446)
   Software development costs                         (28)            (58)
                                                    -----            -----
      Deferred tax liabilities                       (498)           (571)
                                                    -----            -----
Net deferred taxes                                 $1,066            $849
                                                    -----            -----

Net current deferred taxes - asset                 $1,474          $1,320
Net long-term deferred taxes - liability            ($408)          ($471)
</TABLE>

The Company has established a valuation allowance for certain deferred tax 
assets of $987,000 at December 31, 1997.  The valuation allowance was $878,000 
and $1,223,000 at December 31, 1996 and 1995, respectively.  The $109,000 
increase to the valuation allowance recorded in 1997 related to the adjustment 
of fully reserved net operating loss and federal and state tax credit 
carryovers.

Tax benefits of $81,000, $531,000, and $191,000 relating to the Company's 
stock option incentive plans were credited directly to shareholders' equity in 
1997, 1996, and 1995, respectively.

At December 31, 1997, the Company had available federal net operating loss 
carryovers of $947,000 which expire in 2009 and state net operating loss 
carryovers of $1,927,000 which expire in the years 2007 through 2009.  The 
Company also had available federal and state research and experimentation tax 
credit carryovers of $289,000 and $104,000, respectively, expiring in the 
years 2003 through 2010. 


NOTE 10.  DEVELOPMENT AGREEMENTS

In April 1990, the Company entered into a collaborative research and license 
agreement with Massachusetts General Hospital to design a multiple-patient
Flexible Monitoring system, which consists of an Acuity central station
connected with Propaq monitors.  Under the terms of this agreement, the
Company provided discounts on certain equipment purchased by the hospital in
recognition of consultation services performed by key hospital personnel in
connection with the development of the Flexible Monitoring system.  Discounts
totaled approximately $331,000, $124,000, and $201,000, in 1997, 1996, and 
1995, respectively.  In addition, royalties were paid to the hospital based
upon a percentage of the Company's net sales of the Acuity central stations
and related products to other customers.  Royalties paid were not material.
This agreement expired in October 1997. 


NOTE 11.  INDUSTRY AND GEOGRAPHIC INFORMATION

The Company operates in a single industry segment:  the design, manufacture, 
sale and servicing of medical instruments and systems.  Sales are made 
primarily to hospitals and other health-care related customers.  Credit risk 
with respect to accounts receivable is limited due to the large number and 
geographical dispersion (both domestically and internationally) of entities 
which comprise the Company's customer base.  Sales by geographic region were 
as follows for the years ended December 31:

<TABLE>
<CAPTION>

(in thousands)                              1997        1996        1995
                                          -------     -------     ------- 
<S>                                       <C>         <C>         <C>
United States                             $45,365     $41,588     $40,080
Europe                                     11,359      14,938      11,481
Asia and Pacific Rim                        4,998       7,836       6,166
Other                                       2,372       2,532       1,875
                                          -------     -------     -------
Total Sales                               $64,094     $66,894     $59,602
                                          -------     -------     -------
</TABLE>


NOTE 12.  QUARTERLY FINANCIAL SUMMARY (UNAUDITED)

<TABLE>
<CAPTION>

(in thousands except common stock                   Quarters ended
   prices and per share amounts)   ------------------------------------------------
                                    March 31    June 30  September 30  December 31
                                   ---------   --------  ------------  ------------
<S>                                <C>          <C>          <C>          <C>
1997
Sales                              $13,193      $16,110      $17,158      $17,633
Gross profit                         6,496        8,077        9,063        9,246
Income (loss) from operations         (153)         696        1,527        1,246
Net income                              55          694        1,377        1,230
Basic earnings per share               .01          .08          .15          .14
Diluted earnings per share             .01          .08          .15          .13
Weighted average number of shares
 used in the computation of:
  Basic earnings per share           8,780        8,846        8,888        8,920
  Diluted earnings per share         9,202        9,102        9,337        9,387

Common stock prices:
  High                              $14.50        $8.94       $12.75       $12.81
  Low                                 8.88         7.00         7.63         9.88

1996
Sales                              $16,239      $17,097      $16,193      $17,365
Gross profit                         8,883        9,691        8,954        8,895
Income (loss) from operations        1,880        1,964         (726)       1,887
Net income (loss)                    1,553        1,591         (910)       1,844
Basic earnings (loss) per share        .18          .18         (.10)         .21
Diluted earnings (loss) per share      .17          .17         (.10)         .20
Weighted average number of shares
 used in the computation of:
  Basic earnings per share           8,630        8,660        8,680        8,720
  Diluted earnings per share         9,273        9,508        8,680        9,223

Common stock prices:
  High                              $17.50       $26.38       $23.25       $15.75
  Low                                10.50        15.63        15.25        10.00
</TABLE>

The Company's common stock began trading on the Nasdaq Stock Market under the 
symbol PCOL on March 24, 1992 following the Company's initial public offering.  
The above quoted market prices represent the high and low closing sale prices 
as reported by Nasdaq for the periods indicated.  As of March 23, 1998, there 
were 170 shareholders of record of Protocol common stock and approximately 
3,800 beneficial owners of common stock.  No cash dividends have been paid on 
the common stock and the Company does not anticipate paying any cash dividends 
in the foreseeable future.


<PAGE>

ITEM 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
FINANCIAL DISCLOSURE

Not applicable.

<PAGE>
PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The information required by this item regarding Directors is included under 
the captions "Election of Directors", "Management" and "Section 16(a) 
Beneficial Ownership Reporting Compliance" in the Company's 1998 Proxy 
Statement and is incorporated herein by reference.

ITEM 11.  EXECUTIVE COMPENSATION

The information required by this item is included under the caption "Executive 
Compensation" in the Company's 1998 Proxy Statement and is incorporated herein 
by reference.


ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The information required by this item is included under the caption "Stock 
Owned By Management and Principal Shareholders" in the Company's 1998 Proxy 
Statement and is incorporated herein by reference.


ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

Not applicable.


<PAGE>

PART IV

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(A) (1)  FINANCIAL STATEMENTS
           
The following financial statements listed are included on pages indicated in 
the Company's 1997 Annual Report to Shareholders:
<TABLE>
<CAPTION>
                                                                           Page #
                                                                           ------
<S>                                                                           <C>
           Report of Management                                               20

           Report of Independent Accountants for the fiscal years ended 
              December 31, 1997 and 1996                                      20

           Consolidated Statements of Operations - Years ended December 31, 
               1997, 1996 and 1995                                            21

           Consolidated Balance Sheets - As of December 31, 1997 and 1996     22

           Consolidated Statements of Stockholders' Equity - Years ended
              December 31, 1997, 1996 and 1995                                23

           Consolidated Statements of Cash Flows - Years ended
               December 31, 1997, 1996 and 1995                               24

(A) (2) FINANCIAL STATEMENT SCHEDULE

           Schedule II - Valuation and Qualifying Accounts                   S-1

           Report of Independent Accountants on Financial Statement
               Schedules                                                     S-2
</TABLE>

Schedules not listed above have been omitted because the information required 
to be set forth therein is not applicable or is included in the Consolidated 
Financial Statements or notes thereto.

<PAGE>

(A) (3) EXHIBITS

<TABLE>
<CAPTION>

Exhibit
Number                            Description
- -------                           -----------
<S>    <C>
  2.0  Agreement and Plan of Merger dated as of February 20, 1996 Among Protocol
       Systems, Inc., Protocol Merger Corporation and Pryon Corporation.****
  3.1  Fourth Restated Articles of Incorporation of Protocol Systems, Inc.  *
  3.2  Restated Bylaws of Protocol Systems, Inc.  * 
  4.0  Rights Agreement dated March 20, 1992 between Protocol Systems, Inc. and
       First Interstate Bank of Oregon, N.A.  *
 10.1  Distribution Agreement dated February 7, 1989 between Protocol Systems, Inc.
       and Siemens Medical Electronics, Inc.  *
 10.2  Renewal of Distribution Agreement dated July 19, 1991 between Protocol 
       Systems, Inc. and Siemens Medical Electronics, Inc.  *
 10.3  Original Equipment Manufacturer Agreement for Purchase and Sale of Pulse
       Oximeter Modules dated October 23, 1989 between Protocol Systems, Inc. and 
       Nellcor, Incorporated, and addendum thereto dated January 21, 1992.  *
 10.4  Development and Supply Agreement dated January 26, 1990 between Protocol 
       Systems, Inc. and Gensia Pharmaceuticals, Inc.  *
 10.5  Collaborative Research and License Agreement dated April 1, 1990 between 
       Protocol Systems, Inc. and the General Hospital Corporation (Massachusetts 
       General Hospital).  *
 10.6  Form of Indemnity Agreements between Protocol Systems, Inc. and its 
       Executive Officers and Directors.  *
 10.7  Protocol Systems, Inc. 1987 Key Employee's Incentive Stock Option Plan, as 
       amended on January 21, 1992.  *
 10.8  Protocol Systems, Inc. 1987 Non-Statutory Stock Option Plan, as amended on 
       January 21, 1992.  *
 10.9  Protocol Systems, Inc. 1992 Stock Incentive Plan as amended on January 24, 
       1995.  ****
 10.10 Business Park Lease dated October 26, 1990 By and Among Protocol Systems, 
       Inc., Koll-Copley Partners and Petula Associates and amendments thereto 
       dated October 16,1991 and November 6, 1991.  *
 10.11 Amendment to Business Park Lease between Protocol Systems, Inc., Koll-Copley 
       Partners and Petula Associates dated October 6, 1993.  ***
 10.12 Amendment to Original Equipment Manufacturer Agreement for Purchase and Sale 
       of Pulse Oximeter Modules dated February 25, 1993 between Protocol Systems, 
       Inc. and Nellcor, Incorporated.  ***
 10.13 Protocol Systems, Inc. 1993 Stock Option Plan for Nonemployee Directors. 
       ****
 10.14 Protocol Systems, Inc. 1994 Employee Stock Purchase Plan.  **
 10.15 Amendment to the Development and Supply Agreement between Protocol Systems, 
       Inc. and Gensia Automedics, Inc. dated December 23, 1997
 10.16 Amendment to Business Park Lease between Protocol Systems, Inc., Koll-Copley 
       Partners and Petula Associates dated December 24, 1997
 22.0  Subsidiaries of the Registrant
 23.1  Consent of Accountants
 27.1  Financial Data Schedule for the year ended December 31, 1997
 27.2  Financial Data Schedule for the periods ended September 30, 1997 and June 30,
       1997
 27.3  Financial Data Schedule for the periods ended December 31, 1996, September 30,
       1996 and June 30,1996   
</TABLE>

 *     Incorporated herein by reference to the Company's Registration 
       Statement on Form S-1 dated January 22, 1992, File No. 33-45067.
 **    Incorporated herein by reference to the Company's Registration 
       Statement on Form S-8 dated January 24, 1994, File No. 33-74384.
 ***   Incorporated herein by reference to the Company's Annual Report on Form
       10-K for the fiscal year ended December 31, 1993.
 ****  Incorporated herein by reference to the Company's Registration
       Statement on Form S-4 dated April 9, 1996, File No. 333-03316.



(b)  No reports on Form 8-K were filed during the quarter ended December 31, 
1997.

<PAGE>
SIGNATURES


Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange 
Act of 1934, the registrant has duly caused this report to be signed on its 
behalf by the undersigned, thereunto duly authorized.


                                                   PROTOCOL SYSTEMS, INC.
                                                   -----------------------
                                                        (Registrant)

Date: March 30, 1998                          By:    /s/  David F. Bolender
                                                     -----------------------
                                                          David F. Bolender
                                                  Chief Executive Officer and
                                                   Chairman of the Board of
                                                            Directors

Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed below by the following 
persons on behalf of the registrant and in the capacities and on the dates 
indicated.

<TABLE>
<CAPTION>

      Signature                            Title                          Date
      ---------                            -----                          -----
<S>                               <C>                                 <C>
 /s/  David F. Bolender           Chief Executive Officer and Chairman    
- ---------------------             of the Board of Directors
      David F. Bolender           (Principal Executive Officer)       March 30, 1998
                                                                      --------------

 /s/  James B. Moon               President and Chief Technical 
- ----------------------            Officer                             March 30, 1998
      James B. Moon                                                   --------------

 /s/  Craig M. Swanson            Vice-President, Chief Financial 
- ----------------------            Officer and Secretary (Principal
      Craig M. Swanson            Financial and Accounting Officer)   March 30, 1998
                                                                      --------------

 /s/  Steven E. Wynne             Director                            March 30, 1998
- ----------------------                                                --------------
      Steven E. Wynne 

 /s/  Ronald S. Newbower, Ph.D.   Director                            March 30, 1998
- -------------------------------                                       --------------
      Ronald S. Newbower, Ph.D.

 /s/  Frank E. Samuel, Jr.        Director                            March 30, 1998
- ---------------------------                                           --------------
      Frank E. Samuel, Jr.

 /s/  William New, Jr., M.D.      Director                            March 30, 1998
- ----------------------------                                          --------------
      William New, Jr., M.D.
</TABLE>


<PAGE>S-1

PROTOCOL SYSTEMS, INC.                  Schedule II

                               Valuation and Qualifying Accounts
                                        (in thousands)
<TABLE>
<CAPTION>


                                         Additions   Additions
                             Balance at  charged to  charged to             Balance at
                             beginning   costs and     other                  end of
       Description            period     expenses    accounts   Deductions    period   
                             ----------  ----------  ---------  ----------  ----------
<S>                              <C>        <C>         <C>        <C>        <C>
Year ended December 31, 1995:
  Allowance for doubtful 
    accounts                     $ 190      $ 65         --        $ 43(1)    $  212
  Allowance for sales returns       35        65         --          --          100
  Inventory obsolescence and 
    valuation reserves             864       485         --         286(2)     1,063
  Reserve for warranties           979       577         --         503(3)     1,053
  Reserve for product upgrades      27       163         --          --          190

Year ended December 31, 1996:
  Allowance for doubtful
    accounts                       212       111         --          71(1)       252
  Allowance for sales returns      100        --         --          --          100
  Inventory obsolescence and 
    valuation reserves           1,063       319         --         597(2)       785
  Reserve for warranties         1,053       620         --         688(3)       985
  Reserve for product upgrades     190        54         --         241(4)         3

Year ended December 31, 1997:
  Allowance for doubtful 
    accounts                       252       147         --          41(1)       358
  Allowance for sales returns      100       187         --          --          287
  Inventory obsolescence and 
    valuation reserves             785       530         --         313(2)     1,002
  Reserve for warranties           985     1,177         --       1,078(3)     1,084
  Reserve for product upgrades       3       245         --          56(4)       192
</TABLE>

(1)  Deductions primarily represent write-offs of accounts receivable during
     the period.
(2)  Deductions primarily represent inventory scrapped or sold during the
     period.
(3)  Deductions primarily represent inventory and labor costs incurred
     repairing products under warranty.
(4)  Deductions primarily represent inventory and labor costs incurred for
     product upgrades performed during the period.


<PAGE>S-2

INDEPENDENT AUDITORS' REPORT

To the Shareholders and Board of Directors of Protocol Systems, Inc.:

Under the date of January 23, 1998, we reported on the consolidated balance 
sheets of Protocol Systems, Inc. and subsidiaries as of December 31, 1997 and 
1996, and the related consolidated statements of operations, shareholders' 
equity, and cash flows for each of the years in the three-year period ended 
December 31, 1997, which are included in the 1997 annual report to 
shareholders.  These consolidated financial statements and our report thereon 
are included in the annual report on Form 10-K for the year 1997.  In 
connection with our audit of the aforementioned consolidated financial 
statements, we also have audited the related financial statement schedule as 
listed in the accompanying index.  This financial statement schedule is the 
responsibility of the Company's management.  Our responsibility is to express 
an opinion on this financial statement schedule based on our audits.

In our opinion, such financial statement schedule, when considered in relation 
to the basic consolidated financial statements taken as a whole, presents 
fairly, in all material respects, the information set forth therein. 


/s/ KPMG Peat Marwick LLP

Portland, Oregon
January 23, 1998




AMENDMENT TO DEVELOPMENT AND SUPPLY AGREEMENT


This Amendment (the "Amendment"), dated as of December 23, 1997, to 
that certain Development and Supply Agreement (the "Agreement"), dated 
as of January 26, 1990, by and between Gensia Pharmaceuticals, Inc. 
(now known as GENSIA SICOR INC.), a Delaware corporation ("Gensia"), 
and PROTOCOL SYSTEMS, INC., an Oregon corporation ("PS").

WITNESSETH:

      WHEREAS Gensia and PS have entered into the Agreement; and

      WHEREAS Gensia and PS, in light of the facts and circumstances 
which have developed since the effective date of the Agreement, now 
wish to amend the Agreement as set forth in this Amendment;

      Now, therefore, the parties hereto agree as follows:

      1.    DEFINITIONS; REFERENCES.  Capitalized terms in this 
Amendment shall, unless otherwise defined herein, have the meanings 
ascribed to them in the Agreement.

      2.    AMENDMENT OF SECTION 3.2.  Section 3.2(d) of the Agreement 
is hereby amended to read as follows:


                "(d) purchase at least 2,500 units in
          total by the end of the five (5) year 
          period commencing January 1, 1998 and 
          ending on December 31, 2002.  At lest 500 
          Units shall be purchased in each calendar 
          year during such period, and at least 125 
          Units shall be purchased in each calendar 
          quarter during such period, provided that 
          the 100 Units ordered pursuant to purchase 
          orders issued during 1997 may be credited 
          against the 125 Unit requirement for the 
          first calendar quarter of 1998."


      3.    EQUITY PURCHASE.  In consideration of PS's execution of 
this Amendment, on the date hereof, Gensia Automedics, Inc., a Delaware 
corporation ("Automedics"), shall issue to PS 400,000 shares of 
Subordinated Convertible Preferred Stock (the "Shares") of Automedics, 
equal to 4% of the outstanding shares of Automedics on a fully diluted 
basis.  In connection with the issuance of such shares, PS hereby makes 
the representations and warranties set forth on Exhibit A hereto.

      4.    CONSENT TO ASSIGNMENT.  Pursuant to Section 9.7 of the 
Agreement, PS  hereby consents to the assignment by Gensia of all its 
rights and obligations under the Agreement to Automedics, provided, 
however, that Gensia and Automedics shall be jointly and severally 
liable to PS  for any breach of Section 3.2(d) of the Agreement as 
amended hereby.

      5.    RELEASE.  In consideration of Gensia's and Automedics' 
execution of this Amendment, PS on its own behalf and on behalf of 
officers, directors, parents, subsidiaries, affiliates, assigns, 
employees, agents, attorneys, and representatives, hereby releases 
Gensia, its officers, directors, parents, subsidiaries, affiliates, 
assigns, employees, agents, attorneys and representatiaves, and 
Automedics, its officers, directors, parents, subsidiaries, affiliates, 
assigns, employees, agents, attorneys and representatives, from any and 
all claims, damages, liability or causes of action of any kind relating 
to Gensia's performance to date of its obligations under Section 3.2(d) 
of the Agreement.  PS specifically waives the provisions of Section 
1542 of the California Civil Code, which provides that, "(a) general 
release does not extend to claims which the creditor does not know or 
suspect to exist in his favor at the time of executing the release, 
which if known by him must have materially affected his settlement with 
the debtor."

      6.    FULL FORCE AND EFFECT.  Except as expressly modified, 
amended or supplemented above, all rights, terms and conditions of the 
Agreement shall remain in full force and effect.

      7.    GOVERNING LAW.  This Amendment shall be construed and 
enforced in accordance with, and the rights shall be governed by and 
construed under, the laws of the State of Oregon (irrespective of its 
choice of law principles).

      8.    COUNTERPARTS.  This Amendment may be executed in two or 
more counterparts, each of which shall be deemed an original, but all 
of which together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the parties have executed this Amendment to the 
Agreement as of the date first above written.



GENSIA SICOR INC.                 PROTOCOL SYSTEMS, INC.

By:  /s/ John Sayward             By:   /s/ Craig M. Swanson
    -----------------------          --------------------------
Name:    John Sayward             Name:     Craig M. Swanson
Title:   V.P. Finance, CFO        Title:    V.P. Finance, CFO
         & Treasurer

GENSIA AUTOMEDICS, INC.

By:  /s/ David Burgess
   -----------------------
Name:    David Burgess
Title:   President

EXHIBIT A


      ACQUISITION ENTIRELY FOR OWN ACCOUNT.  The shares of Subordinated 
Preferred Stock to be acquired by PS pursuant to Section 3 hereof are 
acquired for investment purposes and for its own account, not as a 
nominee or agent, and not with a view to the resale or distribution of 
any part thereof, and that PS has no present intention of selling, 
granting any participation in, or otherwise distributing the same.  By 
executing this Agreement, PS further represents that PS does not have 
any contract, undertaking, agreement or arrangement with any person to 
sell, transfer or grant participations to such person or to any third 
person, with respect to any of such shares of Subordinated Preferred 
Stock.

      RESTRICTED SECURITIES.  PS understands that the shares of 
Subordinated Preferred Stock it is acquiring are characterized as 
"restricted securities" under the federal securities laws inasmuch as 
they are being acquired from Automedics in a transaction exempt from 
registration under the Securities Act of 1933, as amended (the 
"Securities Act"), and that such shares of Subordinated Preferred Stock 
may be resold without registration under the Securities Act only in 
certain limited circumstances.  In this connection PS represents that 
it is familiar with Rule 144 promulgated under the Securities Act, as 
presently in effect, and understands the resale limitations imposed 
thereby and by the Securities Act.

      LEGENDS.  It is understood that the certificates evidencing the 
Securities may bear one or all of the following legends:


      "These securities have not been registered 
under the Securities Act of 1933, as amended.  They 
may not be sold, offered for sale, pledged or 
hypothecated in the absence of a registration 
statement in effect with respect to the securities 
under such Act or an opinion of counsel satisfactory 
to Automedics that such registration is not required 
or unless sold pursuant to Rule 144 of such Act."

      Any legend required by the laws of the State of 
California or other jurisdiction.


      ACCREDITED INVESTOR.  PS is an accredited investor as defined in 
Rule 501(a) of Regulation D promulgated under the Securities Act.

	- 3 -


FIFTH AMENDMENT TO LEASE
RENEWAL AND EXPANSION


That certain Lease dated 10/26/90 by and between Koll Copley Partners 
and Petula Associates, Ltd., assigned to Petula Associates Ltd., an Iowa 
corporation and principal Mutual Life Insurance Company, an Iowa 
corporation doing business as KC Creekside-Phase I, Landlord, and 
Protocol Systems, Inc., Tenant, is amended this 24th day of December, 
1997 solely as hereinafter described.

1.b.  Address (Leased Premises): 8500 and 8605 SW Creekside Place, 
Beaverton, Oregon

1.c.  Landlord Address For Notices:  c/o Insignia/Forum Commercial 
Group, 8705 SW Nimbus Avenue, Suite 230, Beaverton, Oregon 97008

l.e.  Premises Area:  Approximately 94,646 square feet.
      8500 SW Creekside Place:  65,147 square feet
      8605 SW Creekside Place:  30,499 square feet

l.f.  Project Area:  Approximately 155,784 square feet

1.g.  Premises Percent of Project:  60.7%, combined

1.h.  Term of Lease:
      8500 SW Creekside Place
      Renewal Commencement date:            January 1, 2001
      Expiration date:                      December 31, 2005

      8605 SW Creekside Place
      Commencement date:                    July 1, 1999
      Expiration date:                      December 31, 2005

l.i.  Base Monthly Rent:
      8500 SW Creekside Place
      January 1, 2001 - December 31, 2003   $61,581
      January 1, 2004                       no rent, operating expenses 
                                            only
      February 1, 2004 - December 31,2005   $67,996

      8605 SW Creekside Place
      July 1, 1999 - June 30, 2002          $29,279
      July 1, 2002                          no rent, operating expenses 
                                            only
      August 1, 2002 - December 31, 2005    $32,329

Rental abatements shall be given if Tenant is current on all payments 
due Landlord, and provided there is no current uncured event of default 
by Tenant under this Lease.

1.l   Total Security Deposit:
      $17,541 in security is currently held for 8500 SW Creekside Place.
      $32,329 in security required to be deposited with Landlord for 
      8605 SW Creekside Place on July 1, 1999.

l.m.  Broker:  Pat Schreck, Melvin Mark.  (8605 SW Creekside Place Only)

TENANT IMPROVEMENT ALLOWANCE:  Landlord shall provide $7 per square foot 
to Tenant for the purpose of making standard improvements to each 
building, with plans and specifications subject to the Landlord's 
reasonable review and approval.  Said allowance shall be available for 
the 8605 SW Creekside Place building in 1999 in order to improve the 
building for a July 1 occupancy.  Said allowance shall be available for 
the 8500 SW Creekside Place building January 1, 2001.  Total improvement 
dollars may be used in either 8605 or 8500 SW Creekside Place.

38.  RIGHT OF FIRST OPPORTUNITY:  The terms of this section stand as 
written, except the particular buildings covered by this right shall now 
include 8700 SW Creekside Place and 8505 SW Creekside Place.

A clarification on this right:  Any renewal or extension rights held by 
existing building tenants make precedence over the Right of First 
Opportunity.

RIGHT OF FIRST OPPORTUNITY TO RENEW:  During the extended term of this 
Lease, so long as Tenant is not then in default under this Lease, 
Landlord agrees not to enter into any lease of the Premises with any 
third-party tenant without first offering Tenant an opportunity to renew 
the Lease for one successive term of five (5) years.  This right of 
first opportunity shall be personal to Tenant and shall automatically 
become null and void and of no further force or effect in the event of 
any assignment or sublease.  Landlord shall offer such opportunity to 
renew by notifying Tenant in writing thereof.  If within seven (7) 
business days from the effective date of such notice Landlord has 
received written notice from Tenant of its election to renew the Lease 
for the renewal term, then Landlord shall not enter into a lease of the 
Premises with a third-party tenant and the Lease shall be binding for 
the renewal term without further action of the parties.  In such event, 
the renewal term shall commence on the day following the expiration date 
of the Lease.  Notwithstanding the foregoing, Tenant acknowledges and 
agrees that its right of first opportunity to renew is and shall be 
subordinate to any existing option or expansion rights in favor of other 
tenants as of the date of this agreement.  The terms and conditions of 
the Lease for the renewal term shall be identical with the existing 
Lease except that Base Rental shall be the then fair market rental value 
of the Premises as determined by Landlord, by comparison with the fair 
market rental value of comparable space in Creekside Corporate Park, but 
in no event less than the last rental payable under this Lease.

All other terms and conditions of said Lease shall remain in full force 
and effect.

IN WITNESS WHEREOF, Landlord and Tenant have executed this Amendment as 
of the date first written above.

LANDLORD:   Petula Associates, Ltd., an Iowa corporation, and Principal 
            Mutual Life Insurance Company, an Iowa company, doing business as
            KC Creekside-phase I

By:   /s/ Terrence M. Tobin          /s/ Dennis D. Ballard
      -----------------------        ------------------------
          Terrence M. Tobin              Dennis D. Ballard
          Counsel                        Counsel

      /s/ Steven Graves             /s/ Darin Benningdorf
      ---------------------         -------------------------
          Steven Graves                 Darin Benningdorf
          2nd Vice President            Assistant Director
          Commercial Real Estate Loans  Commercial Real Estate

TENANT:   Protocol Systems, Inc.

By:   /s/ Craig M. Swanson
      ------------------------
      Craig M. Swanson
      Vice President, Finance


EXHIBIT 22.0

SUBSIDIARIES OF THE REGISTRANT

                                          Jurisdiction of 
Subsidiary                                 Incorporation
- ----------                                ----------------

Pryon Corporation                            Wisconsin
Protocol Medical Systems Limited          Northern Ireland
Protocol U.K. Limited                         Oregon
Protocol Systems Foreign Sales Corporation     Guam
Protocol Systems, S.A.R.L.                    France
Protocol Systems, GmbH                        Germany




Exhibit 23.1

Consent of Independent Accountants
- --------------------------------------------

The Board of Directors 
Protocol Systems, Inc.

We consent to incorporation by reference in the Registration Statements 
(Nos. 33-94912, 33-53992,33-66272, 33-74384, 33-81104, 333-17703 and 
333-17705) on Form S-8 of Protocol Systems, Inc. of our reports dated 
January 23, 1998, relating to the consolidated balance sheets of 
Protocol Systems, Inc. and subsidiaries as of December 31, 1997 and 
1996, and the related consolidated statements of operations, 
shareholders' equity, and cash flows for each of the years in the 
three-year period ended December 31, 1997, and all related financial 
statement schedules, which reports appear in the December 31, 1997 
annual report on Form 10-K of Protocol Systems, Inc.


/s/ KPMG Peat Marwick LLP

March 26, 1998


<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Protocol
Systems, Inc. Consolidated Balance Sheet as of December 31, 1997 and
Consolidated Statement of Operations for the year ended December 31, 1997 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          12,257
<SECURITIES>                                    13,313
<RECEIVABLES>                                   15,746<F1>
<ALLOWANCES>                                       358
<INVENTORY>                                     13,507
<CURRENT-ASSETS>                                50,144
<PP&E>                                          14,172
<DEPRECIATION>                                   9,597
<TOTAL-ASSETS>                                  63,755
<CURRENT-LIABILITIES>                            7,669
<BONDS>                                              0
                                0
                                          0
<COMMON>                                            89
<OTHER-SE>                                      55,589
<TOTAL-LIABILITY-AND-EQUITY>                    63,755
<SALES>                                         64,094
<TOTAL-REVENUES>                                64,094
<CGS>                                           31,212
<TOTAL-COSTS>                                   31,212
<OTHER-EXPENSES>                                28,494
<LOSS-PROVISION>                                     0<F2>
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  4,388
<INCOME-TAX>                                     1,032
<INCOME-CONTINUING>                              3,356
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,356
<EPS-PRIMARY>                                     0.38
<EPS-DILUTED>                                     0.36
<FN>
<F1>Net of allowance
<F2>The amount of loss provision is not significant and has been included in other
expenses.
</FN>
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
respective consolidated balance sheets as of September 30, 1997 and June 30,
1997 and the related consolidated statements of operations for the respective
periods then ended and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             JUN-30-1997
<CASH>                                          12,206                   7,438
<SECURITIES>                                    12,843                  16,525
<RECEIVABLES>                                   15,569<F1>              13,945<F1>
<ALLOWANCES>                                       267                     261
<INVENTORY>                                     13,284                  12,811
<CURRENT-ASSETS>                                48,512                  47,493
<PP&E>                                          13,773                  13,286
<DEPRECIATION>                                   9,218                   8,708
<TOTAL-ASSETS>                                  62,163                  59,215
<CURRENT-LIABILITIES>                            7,396                   6,294
<BONDS>                                              0                       0
                                0                       0
                                          0                       0
<COMMON>                                            89                      89
<OTHER-SE>                                      54,238                  52,389
<TOTAL-LIABILITY-AND-EQUITY>                    62,163                  59,215
<SALES>                                         46,460                  29,303
<TOTAL-REVENUES>                                46,460                  29,303
<CGS>                                           22,824                  14,730
<TOTAL-COSTS>                                   22,824                  14,730
<OTHER-EXPENSES>                                21,566                  14,030
<LOSS-PROVISION>                                     0<F2>                       0<F2>
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                  2,873                   1,055
<INCOME-TAX>                                       747                     306
<INCOME-CONTINUING>                              2,125                     749
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     2,126                     749
<EPS-PRIMARY>                                     0.24<F3>                    0.09<F3>
<EPS-DILUTED>                                     0.23<F3>                    0.08<F3>
<FN>
<F1>Net of allowance
<F2>The amount of "loss provision" is not significant and has been included in
other expenses.
<F3>Reflects new standard of presenting both basic and diluted net income per
share.
</FN>
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
respective consolidated balance sheets as of December 31, 1996, September 30,
1996 and June 30, 1996 and the related consolidated statements of operations for
the respective periods then ended and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   9-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               DEC-31-1996             SEP-30-1996             JUN-30-1996
<CASH>                                           6,903                   6,897                  10,169
<SECURITIES>                                    15,800                  17,109                  16,236
<RECEIVABLES>                                   15,456<F1>                  13,170<F1>                  13,392<F1>
<ALLOWANCES>                                       252                     252                     232
<INVENTORY>                                     12,416                  12,239                  11,544
<CURRENT-ASSETS>                                51,048                  45,808                  43,943
<PP&E>                                          12,253                  11,660                  10,995
<DEPRECIATION>                                   7,775                   7,323                   6,849
<TOTAL-ASSETS>                                  59,045                  57,650                  60,448
<CURRENT-LIABILITIES>                            7,265                   8,056                   7,733
<BONDS>                                              0                       0                       0
                                0                       0                       0
                                          0                       0                       0
<COMMON>                                            87                      87                      87
<OTHER-SE>                                      51,222                  49,068                  50,316
<TOTAL-LIABILITY-AND-EQUITY>                    59,045                  57,650                  60,448
<SALES>                                         66,894                  49,529                  33,336
<TOTAL-REVENUES>                                66,894                  49,529                  33,336
<CGS>                                           30,471                  22,001                  14,762
<TOTAL-COSTS>                                   30,471                  22,001                  14,762
<OTHER-EXPENSES>                                30,419                  23,649                  14,225
<LOSS-PROVISION>                                     0<F2>                   0<F2>                   0<F2>
<INTEREST-EXPENSE>                                 110                     110                     110
<INCOME-PRETAX>                                  6,004                   3,559                   4,349
<INCOME-TAX>                                     1,926                   1,646                   1,205
<INCOME-CONTINUING>                              4,078                   2,233                   3,144
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     4,078                   2,233                   3,144
<EPS-PRIMARY>                                     0.47<F3>                0.26<F3>                0.36<F3>
<EPS-DILUTED>                                     0.44<F3>                0.24<F3>                0.33<F3>
<FN>
<F1>Net of allowance
<F2>The amount of "loss provision" is not significant and has been included in
other expenses
<F3>Reflects new standard of presenting both basic and diluted net income per
share.
</FN>
        

</TABLE>


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