ORTHOLOGIC CORP
S-3/A, 1998-09-03
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
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    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 3, 1998
                                            REGISTRATION STATEMENT NO. 333-62321
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON D.C. 20549
                              -------------------
                               AMENDMENT NO. 1 TO
                                    FORM S-3
                        REGISTRATION STATEMENT UNDER THE
                             SECURITIES ACT OF 1933
                              -------------------
                                ORTHOLOGIC CORP.
             (Exact name of Registrant as specified in its charter)
                              -------------------
            DELAWARE                                        86-058310
(State or Other Jurisdiction of                (IRS Employer Identification No.)
Incorporation or Organization)
    

        1275 WEST WASHINGTON STREET, TEMPE, ARIZONA 85251 (602) 286-5520
               (Address, Including Zip Code, and Telephone Number,
        Including Area Code, of Registrant's Principal Executive Offices)
                              -------------------
     THOMAS R. TROTTER                                  WITH A COPY TO:
  CHIEF EXECUTIVE OFFICER                            P. ROBERT MOYA, ESQ.
     ORTHOLOGIC CORP.                                   QUARLES & BRADY
1275 WEST WASHINGTON STREET                       ONE EAST CAMELBACK, SUITE 400
   TEMPE, ARIZONA 85251                               PHOENIX, ARIZONA 85012
      (602) 437-5520                                      (602) 230-5500

      (Name, Address, Including Zip Code, and Telephone Number, Including
                         Area Code, of Agent For Service
                              -------------------
     Approximate date of commencement of proposed sale to the public:  From time
to time after this Registration Statement becomes effective.
     If the only  securities  being  registered  on this Form are being  offered
pursuant to dividend or interest reinvestment plans, check the following box.[ ]
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.[X]
     If this Form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering.[ ]
     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering.[ ]
     If delivery of the  prospectus is expected to be made pursuant to Rule 434,
please check the following box. [ ]
       
     THE REGISTRANT  HEREBY AMENDS THIS  REGISTRATION  STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER  AMENDMENT  WHICH  SPECIFICALLY  STATES  THAT  THIS  REGISTRATION
STATEMENT SHALL  THEREAFTER  BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE  SECURITIES  ACT OF 1933 OR UNTIL THE  REGISTRATION  STATEMENT  SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
================================================================================
<PAGE>
       
PROSPECTUS
                            10,342,440 COMMON SHARES

                                ORTHOLOGIC CORP.

     All of the shares  (the  "Common  Shares")  of the $.0005 par value  common
stock (the "Common Stock") of OrthoLogic  Corp.  ("OrthoLogic" or the "Company")
offered hereby (the  "Offering") may be sold by certain selling security holders
(the  "Selling  Security  Holders") of the Company.  The number of Common Shares
offered hereby includes such presently  indeterminate number of Common Shares as
may be issued on  conversion of the  Company's  Series B  Convertible  Preferred
Stock (the "Series B Preferred Shares"), as a dividend,  payment of a redemption
price or otherwise pursuant to the provisions thereof regarding determination of
the applicable  conversion  price, such number of Common Shares as may be issued
on exercise of warrants  (the  "Warrants")  issued by the Company in  connection
with the  Series  B  Preferred  Shares,  and  pursuant  to Rule  416  under  the
Securities Act of 1933, as amended (the  "Securities  Act"), to prevent dilution
resulting  from  stock  splits,   stock   dividends  or  similar   transactions.
Accordingly,  the  Company  has agreed to  register  200% of the  Common  Shares
issuable upon  conversion  of the Series B Preferred  Shares and exercise of the
related warrants (the  "Warrants")  issued on July 13, 1998. See "Description of
Securities."  The Series B Preferred  Shares generally may not be converted into
Common Shares until 300 days after issuance.  However, upon an early conversion,
the  applicable  conversion  price would be the average of the 10 lowest closing
bid prices for the Common Stock occurring during the 30 trading days immediately
prior  to the date of  conversion  (the  "Floating  Conversion  Price").  If the
Floating  Conversion  Price of the Common  Shares had been used to determine the
maximum number of Common Shares  issuable on the date hereof,  the Company would
have been  obligated to issue  4,571,220  Common Shares.  An additional  600,000
Common Shares may be purchased upon exercise of the Warrants and may also may be
offered by the Selling Security  Holders.  See "Selling  Security  Holders." The
Company will not receive any of the proceeds  from the sale of Common  Shares by
the Selling Security Holders, although the Company will receive up to $3,300,000
upon exercise of Warrants. The Selling Security Holders may elect to sell all, a
portion or none of the Common Shares  registered  hereby.  The Common Shares are
traded on the Nasdaq  National  Market  ("Nasdaq")  under the symbol "OLGC." The
Common Shares being registered  under the  Registration  Statement of which this
Prospectus  is a part may be  offered  for sale  from time to time by or for the
account of such  Selling  Security  Holders in the open  market,  on Nasdaq,  in
privately negotiated transactions, in an underwritten offering, or a combination
of such  methods,  at market  prices  prevailing  at the time of sale, at prices
related to such  prevailing  market prices or at negotiated  prices.  The Common
Shares are intended to be sold through broker-dealers or directly to purchasers.
Broker-dealers may receive compensation in the form of commissions, discounts or
concessions  from the  Selling  Security  Holders and  purchasers  of the Common
Shares for whom such  broker-dealers  may act as agent, or to whom they may sell
as principal, or both (which compensation as to a particular broker-dealer maybe
in excess of customary  concessions).  All expenses of registration  incurred in
connection  with this  Offering are being borne by the Company,  but the Selling
Security  Holders will pay any brokerage and other  expenses of sale incurred by
them. See "Plan of Distribution."

SEE "RISK FACTORS"  BEGINNING ON PAGE 6 FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED BY PROSPECTIVE PURCHASERS OF THE SECURITIES OFFERED HEREBY.

EACH SELLING SECURITY HOLDER AND ANY BROKER  EXECUTING  SELLING ORDERS ON BEHALF
OF A SELLING  SECURITY  HOLDER MAY BE DEEMED TO BE AN  "UNDERWRITER"  WITHIN THE
MEANING OF THE  SECURITIES  ACT.  COMMISSIONS  RECEIVED  BY SUCH  BROKERS MAY BE
DEEMED TO BE UNDERWRITING COMMISSIONS UNDER THE SECURITIES ACT.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.
   
                THE DATE OF THIS PROSPECTUS IS SEPTEMBER 3, 1998.
    
<PAGE>
                              AVAILABLE INFORMATION

     The Company has filed with the  Commission a  registration  statement  (the
"Registration Statement") with respect to the Common Shares offered hereby. This
Prospectus,  which  constitutes  part of the  Registration  Statement,  does not
contain all of the information  contained in the Registration  Statement and the
exhibits  thereto.  For further  information with respect to the Company and the
Common Shares offered hereby,  reference is made to the Registration  Statement,
including the exhibits  thereto.  Statements  contained  herein  concerning  the
provisions of any documents filed as an exhibit to the Registration Statement or
otherwise  filed with the Commission are not  necessarily  complete and, in each
instance,  reference is made to the copy of such document as so filed. Each such
statement is qualified in its entirety by such reference.

     The Company is subject to the informational  requirements of the Securities
Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and, in  accordance
therewith,  files reports and other information with the Securities and Exchange
Commission (the "Commission").  Reports,  proxy statements and other information
filed by the  Company  may be  inspected  and  copied  at the  public  reference
facilities  maintained by the Commission at 450 Fifth Street,  N.W.,  Room 1024,
Washington,  D.C.  20549,  and at its  regional  offices  located at World Trade
Center,  13th Floor, New York, New York 10048 and at Northwestern Atrium Center,
500 West Madison Street,  Suite 1400,  Chicago,  Illinois 60661.  Copies of such
material may be obtained from the Public  Reference  Section of the  Commission,
450 Fifth  Street,  N.W.,  Washington,  D.C.  20549,  at prescribed  rates.  The
Commission  maintains a web site  (http://www.sec.gov)  that  contains  reports,
proxy, and information  statements and other information regarding  registrants,
such as the Company, that file electronically with the Commission. The Company's
Common Stock is listed on Nasdaq and similar  information  can be inspected  and
copied  at the  offices  of the  National  Association  of  Securities  Dealers,
Inc.,1735 K Street, N.W., Washington, D.C. 20006.

     No person is authorized to give any information or make any  representation
other than those  contained or incorporated by reference in this Prospectus and,
if given or made, such information or representation  must not be relied upon as
having been authorized.  This Prospectus does not constitute an offer to sell or
a solicitation  of an offer to buy any of the  securities  offered hereby in any
jurisdiction  to any  person  to  whom it is  unlawful  to make  such  offer  or
solicitation in such  jurisdiction.  Neither the delivery of this Prospectus nor
any sale made hereunder shall, under any  circumstances,  create any implication
that  there has been no  change in the  affairs  of the  Company  since the date
hereof.

                      INFORMATION INCORPORATED BY REFERENCE

     The following  documents have been filed by the Company with the Commission
and are hereby incorporated by reference into this Prospectus:  (1)Annual Report
on Form 10-K for the fiscal year ended December 31, 1997; (2) Quarterly  Reports
on Form 10-Q for the quarters  ended March 31, 1998 and June 30,  1998;  (3) the
Proxy  Statement for the 1998 Annual  Meeting of security  holders;  (4) Current
Report on Form 8-K filed on July 13, 1998;  (5) Current Report on Form 8-K filed
on July  13,  1998;  and (6)  Description  of  Capital  Stock  contained  in the
Company's  registration  statement  on Form 8-A,  including  all  amendments  or
reports filed for the purpose of updating such description.  All other documents
and reports filed pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange
Act subsequent to the date of this  Prospectus  and prior to the  termination of
this Offering shall be deemed to be incorporated by reference in this Prospectus
and to be made a part  hereof  from the date of the filing of such  reports  and
documents.

     Any  statement  contained  in a  document  incorporated  or  deemed  to  be
incorporated  by reference  herein shall be deemed to be modified or  superseded
for purposes of this Prospectus to the extent that a statement  contained herein
or in  any  subsequently  filed  document  which  also  is or  is  deemed  to be
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded  shall not be deemed,  except as so modified
or superseded, to constitute a part of this Prospectus.
                                        2
<PAGE>
     The Company  will provide  without  charge to each  person,  including  any
beneficial owner, to whom this Prospectus is delivered, upon the written or oral
request of such person,  a copy of any or all documents  incorporated  herein by
reference.  Requests  for  such  documents  should  be  directed  to  Secretary,
OrthoLogic  Corp.,  1275 West Washington  Street,  Tempe,  Arizona 85281,  (602)
286-5520.

                 DISCLOSURE REGARDING FORWARD-LOOKING STATEMENTS

     This Prospectus,  including all documents incorporated herein by reference,
contains forward-looking  statements including statements regarding, among other
items, the Company's business strategy,  growth strategy, and anticipated trends
in the Company's business. Additional written or oral forward-looking statements
may be made by the Company from time to time in filings with the  Commission  or
otherwise.  The words  "believe,"  "expect,"  "anticipate,"  and  "project"  and
similar expressions identify forward-looking statements,  which speak only as of
the date the  statement  is made.  These  forward-looking  statements  are based
largely on the Company's  expectations  and are subject to a number of risks and
uncertainties,  some of which cannot be predicted or  quantified  and are beyond
the Company's control.  Future events and actual results could differ materially
from those set forth in,  contemplated  by, or  underlying  the  forward-looking
statements.  Statements in this  Prospectus,  including those set forth in "Risk
Factors," and the documents incorporated herein by reference,  describe factors,
among others,  that could contribute to or cause such  differences.  In light of
these   risks  and   uncertainties,   there  can  be  no   assurance   that  the
forward-looking  information  contained in or incorporated  into this Prospectus
will  in  fact  transpire  or  prove  to  be  accurate.  All  written  and  oral
forward-looking  statements attributable to the Company or persons acting on its
behalf are expressly qualified in their entirety by the foregoing.

                                   THE COMPANY

     Investors  should  carefully  consider the  information set forth under the
heading "Risk Factors" commencing on page 6 of this Prospectus.

GENERAL

     The  Company was  incorporated  as a Delaware  corporation  in July 1987 as
IatroMed,  Inc.  and  changed its name to  OrthoLogic  Corp.  in July 1991.  The
Company's  executive offices are located at 1275 West Washington Street,  Tempe,
Arizona 85281, and its telephone number is (602) 286-5520.

     OrthoLogic develops, manufactures and markets proprietary,  technologically
advanced  orthopedic  products and packaged  services for the orthopedic  health
care market including bone growth stimulation devices, continuous passive motion
("CPM")  devices  and  ancillary  orthopedic  recovery  products.   OrthoLogic's
products are designed to enhance the healing of diseased,  damaged,  degenerated
or recently repaired  musculoskeletal  tissue.  The Company's  products focus on
improving the clinical outcomes and  cost-effectiveness of orthopedic procedures
that  are  characterized  by  compromised  healing,  high-cost,   potential  for
complication and long recuperation time.

PRODUCTS AND OTHER PRODUCT DEVELOPMENT

     OrthoLogic's  product line  includes bone growth  stimulation  and fracture
fixation  devices,  CPM devices and related products and Hyalgan.  The Company's
product line is sold primarily through the Company's direct sales force.

     ORTHOLOGIC(R)  1000;  OL-1000  SC.  The  ORTHOLOGIC  1000  is  a  portable,
noninvasive  physician prescribed magnetic field bone growth stimulator designed
for home treatment of patients who have a non-healing  fracture.  The ORTHOLOGIC
1000  comprises  two  magnetic  field  treatment   transducers   (coils)  and  a
microprocessor-controlled  signal generator that delivers highly  specific,  low
energy combined static and alternating magnetic fields.
                                       3
<PAGE>
     In 1989,  the Company  received U.S. Food and Drug  Administration  ("FDA")
clearance of an  Investigational  Device Exemption ("IDE") to conduct a clinical
trial of the  ORTHOLOGIC  1000 for the  treatment  of  patients  with a specific
variety of non-healing  fracture,  called a nonunion  fracture,  of certain long
bones. For purposes of the study, a nonunion  fracture was defined as a fracture
that  remained  unhealed  for at least nine months  post  injury.  In 1990,  the
Company received  supplemental IDE clearance to conduct human clinical trials of
the  ORTHOLOGIC  1000 on patients  with delayed union  fractures (a  non-healing
fracture  five to nine months post injury).  In March 1994,  the FDA granted the
Company  Pre-Market  Approval (PMA)  approval to market the ORTHOLOGIC  1000 for
treatment of nonunion fractures. In June 1998, the Company received FDA approval
for its PMA Supplement to change the label for the  ORTHOLOGIC  1000. A fracture
is now considered "nonunion" when the fracture site shows no visibly progressive
signs  of  healing.  The  former  reference  on  the  label  to  the  nine-month
post-injury time frame has been removed.

     In July 1997,  the  Company  received a PMA  supplement  from the FDA for a
single-coil  model of the ORTHOLOGIC  1000, and the Company began  marketing the
OL-1000  SC in the first  quarter of 1998.  The  OL-1000  SC  utilizes  the same
magnetic  fields as the ORTHOLOGIC  1000 but is designed to be more  comfortable
for patients with  fractures of some long bones,  such as the upper femur or the
scaphoid.

     CONTINUOUS  PASSIVE  MOTION.  CPM devices  provide  controlled,  continuous
movement to joints and limbs  without  requiring  the patient to exert  muscular
effort and are intended to be applied immediately following orthopedic trauma or
surgery.  The products are designed to reduce swelling,  increase joint range of
motion,  reduce  the  length  of  hospital  stay and  reduce  the  incidence  of
post-trauma  and  post-surgical  complication.  The  primary  use of CPM devices
occurs in the  hospital  and home  environments,  but they are also  utilized in
skilled nursing facilities, sports medicine and rehabilitation centers.

     ANCILLARY  ORTHOPEDIC  PRODUCTS.  The  Company  offers a  complete  line of
bracing, electrotherapy, cryotherapy and dynamic splinting products. The bracing
line incudes post-operative,  custom and pre-sized functional and osteoarthritis
models.  Post-operative  braces  are used in the early  phases of  post-surgical
rehabilitation  while  functional  braces are applied as the patient  returns to
work or sports activities.  The electrotherapy line consists of TENS, NMES, high
volt pulsed current,  interferential and biofeedback units.  Cryotherapy is used
to cool the  operative or injured  site in order to prevent  pain and  swelling.
OrthoLogic produces its own motorized  cryotherapy device, the Blue Artic, which
provides  temperature-controlled cold therapy using a reservoir of ice water and
a pump that circulates the water through a pad over the injury/surgical site.

     HYALGAN.  The  Company  began  marketing  Hyalgan  during July 1997 under a
Co-Promotion  Agreement  with Sanofi  Pharmaceuticals,  Inc. (the  "Co-Promotion
Agreement").  Hyalgan is used for relief of pain from osteoarthritis of the knee
for  those  patients  who have  failed to  respond  adequately  to  conservative
non-pharmacological  therapy and to simple  analgesics,  such as  acetaminophen.
Orthopedic  surgeons  administer  Hyalgan in their  offices,  with each  patient
receiving five injections over a period of four weeks.  Hyalgan is a preparation
of highly purified sodium hyaluronate,  a chemical found in the body and present
in high amounts in joints and synovial fluid. The body's own hyaluronate plays a
number of key roles in normal joint function, and in osteoarthritis, the quality
and quantity of hyaluronate in the joint fluid and tissues may be deficient.

     CHRYSALIN.  In January 1998,  the Company  announced it had made a minority
equity investment in Chrysalis  BioTechnology,  Inc. As part of the transaction,
the  Company  has been  awarded a  nine-month,  world-wide  exclusive  option to
license the  orthopedic  applications  of  Chrysalin,  a patented  23-amino acid
peptide that has shown promise in accelerating  the healing process of fractured
bones. In pre-clinical animal studies, Chrysalin was shown to double the rate of
fracture  healing with a single  injection  into the  fracture  gap. The Company
intends to conduct  pre-clinical  studies  during  1998,  and,  depending on the
results,  an  application  may be filed with the FDA to conduct  human  clinical
trials.  However,  there can be no assurance that the Company will do so or that
it would receive such approval if sought.
                                        4
<PAGE>
     SPINALOGIC(R) 1000. The SPINALOGIC 1000 is a portable, noninvasive magnetic
field bone growth  stimulator  being developed to enhance the healing process as
either an adjunct to spinal  fusion  surgery or as treatment for a failed spinal
fusion  surgery.  The Company  believes that the SPINALOGIC 1000 offers benefits
similar to those of the  ORTHOLOGIC  1000 in that it is relatively  easy to use,
requires a small power supply and requires only 30 minutes of treatment per day.
The SPINALOGIC  1000 consists of one magnetic field  treatment  transducer and a
microprocessor-controlled  signal  generator,  both of which are positioned near
the spine through use of an adjustable  belt which the patient places around the
torso. The Company  received  approval of an IDE from the FDA in August 1992 and
commenced clinical trials for the SPINALOGIC 1000 as an adjunct to spinal fusion
surgery in February  1993.  The Company  received  approval of an IDE supplement
from the FDA in September of 1995 to conduct a clinical  trial of the SPINALOGIC
1000 as a noninvasive  treatment for a failed spinal fusion surgery. The Company
commenced  this  on-going  clinical  trial in the fourth  quarter  of 1995.  The
Company is in the process of  evaluating  the results of the clinical  trial for
use of the SPINALOGIC 1000 as an adjunct to spinal fusion  surgery.  The Company
has not yet applied for FDA approval to market the  SPINALOGIC  1000,  and there
can be no assurance that the Company will receive such approval if sought.

     BIOLOGIC(R)   MAGNETIC   FIELD   TECHNOLOGY.   The   natural   process   of
musculoskeletal  tissue  healing  involves  a  complex  interaction  of  several
physiological processes, which include the stimulation of specific cells such as
osteoblasts,  fibroblasts and endothelial  cells. When an injury occurs,  growth
factors are  produced  at the healing  site which  stimulate  selected  cells to
initiate the healing  cascade.  In most cases,  these cells are able to initiate
repair in response to an injury and  restore the  musculoskeletal  tissue to its
original  strength and structure.  Cell stimulation is a necessary  component of
tissue  regeneration  and is  dependent  upon  certain  triggering  events  that
activate the  production  of  connective  tissue.  The BIOLOGIC  technology is a
second generation  magnetic field technology licensed to the Company and used in
the ORTHOLOGIC 1000,  OL-1000 SC and SPINALOGIC 1000. The technology  utilizes a
specific  combination  of a low energy static  magnetic  field with a low-energy
alternating   magnetic  field,   which  the  Company  believes   increases  cell
stimulation.  The technologies employed in first generation electromagnetic bone
growth  stimulators  produce only an  alternating  magnetic  field.  The Company
believes  the use of  combined  static and  alternating  magnetic  fields in its
BIOLOGIC technology increases the potency of the treatment and therefore reduces
the required daily treatment time. The BIOLOGIC  technology is also a low-energy
technology. The strength of the BIOLOGIC magnetic fields are in the range of the
earth's  magnetic  field.  By  comparison,  the strength of the magnetic  fields
produced by  competitive  technologies  is many times  greater  than that of the
earth's  magnetic  field.  The  Company  is engaged in  research  of  additional
applications  of  the  proprietary  BIOLOGIC  technology,   including  cartilage
regeneration and osteoporosis treatment.

     ORTHOSOUND.(TM) The Company currently is conducting preclinical and a pilot
clinical trial relating to the design, development and testing of diagnostic and
therapeutic   devices   utilizing   its   nonthermal    ultrasound    technology
("ORTHOSOUND") for use in medical  applications that relate to bone,  cartilage,
ligament or tendon  diagnostics  and healing.  In the area of  diagnostics,  the
ORTHOSOUND  research  projects  address the potential use of ultrasound  for the
assessment of bone strength and fracture risk in  osteoporotic  patients and the
assessment of fracture healing.  In therapeutic  applications,  the focus of the
ORTHOSOUND  research is on the potential use of ultrasound  for the treatment of
at-risk  fractures  to  increase  the  healing  rate  and  reduce  the  need for
subsequent surgical procedures. The Company has not yet applied for FDA approval
to market  ORTHOSOUND  based  products,  and there can be no assurance  that the
Company will do so or that it would receive such approval if sought.

     ORTHOFRAME;   ORTHONAIL.(TM)  ORTHOFRAME  products  are  external  fixation
devices constructed of non-metallic carbon fiber-epoxy  composite material.  The
ORTHOFRAME offers a versatile design which can be utilized for immobilization of
a wide array of fracture types,  including tibia, femur, ankle, elbow and pelvic
fractures.  The ORTHOFRAME/MAYO  Wrist Fixator is a specialized device developed
in cooperation  with the Orthopaedic  Department of the Mayo Clinic,  Rochester,
Minnesota,   for  the  treatment  of  complex  wrist  (Colles)  fractures.   The
Orthopeadic Department of the Mayo Clinic has agreed to provide ongoing clinical
input on future design enhancements for the ORTHOFRAME/MAYO  Wrist Fixator. Both
products  utilize  non-metallic  carbon  fiber-epoxy  materials to reduce device
weight and are  radiolucent  (I.E.,  eliminate  the blocking of x-rays caused by
metallic  devices).  The Company believes that the patented  fracture  alignment
mechanism of the ORTHOFRAME products allows for simpler application, and the
                                        5
<PAGE>
radiolucency  and light weight  composite  materials of the ORTHOFRAME  products
provide  benefits to both surgeon and patient.  ORTHOFRAME  products are shipped
pre-assembled in sterile  packaging to increase  ease-of-use for the surgeon and
to reduce handling and inventory expenses for the hospital.  The ORTHONAIL is an
internal  fixation device used to treat fractures of the humerus and tibia.  The
Company does not actively market the ORTHONAIL.

                                  RISK FACTORS

     In  addition  to  the  other  information  contained  in  this  Prospectus,
prospective  investors should carefully  consider the factors discussed below in
evaluating  the Company and its  business  before  purchasing  any of the Common
Shares offered hereby. This Prospectus contains forward-looking statements which
involve  risks and  uncertainties.  The  Company's  actual  results could differ
materially  from those  anticipated  in these  forward-looking  statements  as a
result of  certain  factors,  including  those set forth in the  following  risk
factors  and   elsewhere  in  this   Prospectus.   See   "Disclosure   Regarding
Forward-Looking Statements."

     LIMITED  HISTORY OF  PROFITABILITY;  QUARTERLY  FLUCTUATIONS  IN  OPERATING
RESULTS.  The Company has  experienced  significant  operating  losses since its
inception and had an accumulated  deficit of approximately $47.8 million at June
30, 1998.  The Company was first  profitable in the fourth  quarter of 1997, and
the Company  experienced losses during the first two quarters of 1998. There can
be no  assurance  that the Company  will ever  generate  sufficient  revenues to
attain operating profitability or retain net profitability on an on-going annual
basis.  In addition,  the Company may  experience  fluctuations  in revenues and
operating  results  based on such factors as seasonal  demand for the  Company's
products,   the  timing,  cost  and  acceptance  of  product  introductions  and
enhancements  made by the  Company or  others,  levels of third  party  payment,
alternative treatments which currently exist or may be introduced in the future,
completion  of   acquisitions,   changes  in  practice   patterns,   competitive
conditions,   regulatory  announcements  and  changes  affecting  the  Company's
products in the industry and general  economic  conditions.  The development and
commercialization by the Company of additional products will require substantial
product development and regulatory, clinical and other expenditures.

     POTENTIAL  ADVERSE  OUTCOME OF LITIGATION.  The Company is a defendant in a
number of investor lawsuits relating generally to correspondence received by the
Company from the FDA in mid-1996  regarding the promotion and  configuration  of
the ORTHOLOGIC  1000. The Company  intends to defend these lawsuits  vigorously.
However,  an adverse  litigation outcome would have a material adverse effect on
the Company's business, financial condition and results of operations.

     DEPENDENCE ON SALES FORCE. A substantial portion of the Company's sales are
generated  through  the  Company's  internal  sales force of  approximately  140
employees.  The  Company's  marketing  success  depends  in large  part upon the
ability of sales and marketing  personnel to demonstrate to potential  customers
the benefits of the  Company's  products  and their  advantages  over  competing
products and surgical  procedures.  During 1996 the Company  shifted its primary
focus from sales through independent orthopedic specialty dealers to an internal
sales  force.  The  internal  sales  force has not yet been able to achieve  the
Company's  historic sales of the ORTHOLOGIC 1000 through  independent  specialty
dealers.  In  January  1998  the  sales  management  was  restructured  so  that
territories  are  determined  based only on geography  and not on geography  and
devices.  As a result,  certain members of sales  management are now responsible
for devices not previously within their area of responsibility.  There can be no
assurance   that   these   individuals   will  be  able  to  manage   their  new
responsibilities successfully.

     DEPENDENCE ON KEY PERSONNEL;  RECENT MANAGEMENT CHANGES. The success of the
Company is  dependent in large part on the ability of the Company to attract and
retain its key management,  operating,  technical, marketing and sales personnel
as well as clinical  investigators  who are not  employees of the Company.  Such
individuals are in high demand, and the identification, attraction and retention
of such personnel could be lengthy,  difficult and costly.  The Company competes
for its  employees  and  clinical  investigators  with  other  companies  in the
orthopedic  industry and research  and  academic  institutions.  There can be no
assurance  that the  Company  will be able to attract  and retain the  qualified
personnel necessary for the expansion of its business.  In the fourth quarter of
1997, the Chief Executive Officer of the Company created a Corporate  Management
Committee and charged the Committee with implementing the
                                        6
<PAGE>
Company's strategic goals. A loss of the services of one or more members of this
Committee, or the Company's inability to hire additional personnel as necessary,
could have an adverse effect on the Company's business,  financial condition and
results of operations.

     HISTORICAL DEPENDENCE ON PRIMARY PRODUCT; FUTURE PRODUCTS.  During 1997 and
the first two quarters of 1998,  revenues from CPM devices reduced the Company's
dependence  on revenues  from bone growth  stimulation  products.  However,  the
Company believes that, to sustain long-term growth, it must develop, or acquire,
and  introduce  additional  products  and expand  approved  indications  for its
existing  products.  The  development  and  commercialization  by the Company of
additional products will require substantial  product  development,  regulatory,
clinical and other  expenditures.  There can be no assurance  that the Company's
technologies or financial  resources will allow it to develop,  or acquire,  new
products or expand  indications for existing  products in the future or that the
Company will be able to  manufacture or market such products  successfully.  Any
failure by the Company to develop new products or expand  indications could have
a material  adverse effect on the Company's  business,  financial  condition and
results of operations.

     UNCERTAINTY OF MARKET ACCEPTANCE.  The Company believes that the demand for
bone growth  stimulators is still developing and that the Company's success will
depend in part upon the growth of this demand.  There can be no  assurance  that
this demand will develop.  The long-term  commercial  success of the  ORTHOLOGIC
1000 and OL-1000 SC will also  depend in  significant  part upon its  widespread
acceptance  by a  significant  portion  of  the  medical  community  as a  safe,
efficacious and cost-effective  alternative to invasive procedures.  The Company
is unable to predict how  quickly,  if at all,  its  products may be accepted by
members of the orthopedic  medical community.  The widespread  acceptance of the
Company's primary products  represents a significant change in practice patterns
for the orthopedic medical community and in reimbursement policy for third party
payors.  Historically,  some  orthopedic  medical  professionals  have indicated
hesitancy  in  prescribing  bone  growth  stimulator   products  such  as  those
manufactured by the Company.  The use of CPM is more widely  accepted.  However,
the Company must continue to prove that the products are safe,  efficacious  and
cost-effective in order to maintain and grow its market share.  Hyalgan is a new
therapeutic  treatment for relief of pain from  osteoarthritis  of the knee. The
long-term  commercial  success of that product  will depend upon its  widespread
acceptance  by a  significant  portion of the medical  community and third party
payors as a safe, efficacious and cost-effective  alternative to other treatment
options such as simple analgesics.  Failure of the Company's products to achieve
widespread market acceptance by the orthopedic medical community and third party
payors would have a material adverse effect on the Company's business, financial
condition and results of operations.

     INTEGRATION  OF  ACQUISITIONS.  The  Company  acquired  Sutter  Corporation
("Sutter")  in August 1996 and  certain  assets of two other CPM  businesses  in
March  1997.  Successful  integration  of such  acquisitions  is critical to the
future financial  performance of the combined Company.  Complete  integration of
any  acquisition  can take several  quarters or more to accomplish  and require,
among other things,  integration of product  offerings and coordination of sales
and  marketing,  reimbursement,   manufacturing  and  research  and  development
efforts.  The  process of  integrating  companies  may also  cause  management's
attention  to be diverted  from  operating  the  Company,  and any  difficulties
encountered  in the  transition  process  could  have an  adverse  impact on the
business, financial condition and operating results of the Company. In addition,
the process of combining  organizations  could cause the  interruption  of, or a
loss of  momentum  in,  the  activities  of  either  or  both of the  companies'
businesses,  which could have an adverse effect on their combined operations. In
the first quarter of 1997, the Company commenced the consolidation of the recent
acquisitions.   The  administrative  operations,   manufacturing  and  servicing
operations were  consolidated by the end of 1997. The sales force management was
consolidated  in early 1998 and  computer  hardware  and  software  systems  are
expected to be completed in mid 1998.

     LIMITED  COMBINED  OPERATING  HISTORY AND RESULTS.  The results of acquired
businesses  before the  acquisitions  may not be indicative of future  operating
results.   Although  the  Company  does  not  anticipate  incurring  significant
additional operating costs associated with its 1996 and 1997 acquisitions, there
can be no  assurance  that  such  costs  will  not be  incurred  or  that  these
purchases,  or any other  acquisition,  will not have an adverse effect upon the
Company's  operating  results while the operations are being integrated into the
Company's operations. There can be no assurance that, following any acquisition,
the Company  will be able to operate  the  purchased  business  on a  profitable
basis.
                                        7
<PAGE>
     CONDITION  OF ACQUIRED  FACILITIES.  The Company  has  determined  that the
leased California  facilities  acquired in the acquisition of Sutter had several
physical problems,  primarily resulting from excessive moisture and water leaks.
Two Sutter employees have filed related worker's  compensation claims, and these
two claims are being processed by Sutter's  worker's  compensation  carrier.  In
addition,  the lack of maintenance has allegedly caused some structural problems
at one facility,  and employee  complaints based upon these problems have led to
two informal complaints by the California Department of Industrial Relations and
Division  of  Occupational  Safety  and  Health.  Sutter has  responded  to both
complaints  and continues to work with its landlord to correct the problems.  In
addition, Sutter has notified the prior owners of Sutter of the problems because
the prior owners may be the responsible  party under the  acquisition  agreement
for any required  remedies.  Sutter has vacated the  leasehold  premises of both
California  facilities.  Sutter vacated a manufacturing  facility in conjunction
with a negotiated  lease  termination.  Sutter also vacated a mixed use facility
and  notified  that  landlord  of its  termination  of the lease due to acts and
omissions of the landlord. That landlord claims that rent remains unpaid and has
commenced a lawsuit  seeking to recover  such  amounts.  The Company  intends to
defend such lawsuit  vigorously.  The outcome of such suit,  as well as damages,
claims and future  discoveries  regarding the  maintenance  of the facilities by
prior occupants, could have a material adverse effect on the Company's business,
financial condition and results of operations.

     MANAGEMENT OF GROWTH.  The Company has experienced a period of rapid growth
in the  expansion  of its  product  line  with  the  CPM  devices,  Hyalgan  and
investment in Chrysalin  technology.  This growth has placed, and could continue
to place, a significant strain on the Company's financial,  management and other
resources.  The Company's future  performance will depend in part on its ability
to  manage  change  in  its  operations,   including   integration  of  acquired
businesses.  In addition, the Company's ability to manage its growth effectively
will  require it to  continue  to improve  its  manufacturing,  operational  and
financial control systems and infrastructure and management information systems,
and to  attract,  train,  motivate,  manage  and retain  key  employees.  If the
Company's  management  were to become unable to manage growth  effectively,  the
Company's  business,  financial  condition,  and results of operations  could be
adversely affected.

     LIMITATIONS ON THIRD PARTY PAYMENT;  UNCERTAIN EFFECTS OF MANAGED CARE. The
Company's  ability to  commercialize  its  products  successfully  in the United
States  and in  other  countries  will  depend  in part on the  extent  to which
acceptance of payment for such products and related  treatment  will continue to
be available from government health administration  authorities,  private health
insurers and other payors.  Cost control  measures adopted by third party payors
in recent  years have had and may continue to have a  significant  effect on the
purchasing  and  practice  patterns  of many health  care  providers,  generally
causing  them to be more  selective  in the  purchase  of medical  products.  In
addition,  payors are increasingly  challenging the prices and clinical efficacy
of  medical  products  and  services.  Payors  may  deny  reimbursement  if they
determine that the product used in a procedure was experimental,  was used for a
nonapproved  indication or was unnecessary,  inappropriate,  not cost-effective,
unsafe,  or ineffective.  The Company's  products are reimbursed by most payors,
however there are generally specific product usage requirements or documentation
requirements  in order for the  Company  to  receive  reimbursement.  In certain
circumstances the Company is successful in appealing  reimbursement coverage for
those  applications  which are not in  compliance  with the payor  requirements.
Medicare  has very strict  guidelines  for  reimbursement,  and until the second
quarter 1997, the Company had some success in appealing  claims for applications
of the ORTHOLOGIC  1000 which were outside the coverage  guidelines.  During the
second  quarter of 1997 the Company  determined  that  Medicare  would no longer
reimburse  for such cases,  and the Company  wrote off all Medicare  receivables
which did not meet their guidelines.  Significant  uncertainty  exists as to the
reimbursement  status of newly approved  health care products,  such as Hyalgan,
and there can be no assurance  that adequate  third party coverage will continue
to be  available  to the  Company at current  levels.  Although  the Company has
recognized some fee revenue under the  Co-Promotion  Agreement for Hyalgan,  the
level of fees  recognized  under the  Co-Promotion  Agreement will ultimately be
dependent on Medicare's assigned billing code and reimbursement amount.  Failure
to continue to obtain  reimbursement  from  payors at levels  acceptable  to the
Company  could  have  a  material  adverse  effect  on the  Company's  business,
financial condition and results of operations.
                                        8
<PAGE>
     UNCERTAINTY  AND  POTENTIAL  NEGATIVE  EFFECTS OF HEALTH CARE  REFORM.  The
health care industry is undergoing fundamental changes resulting from political,
economic and regulatory influences. In the United States, comprehensive programs
have been  proposed  that  seek to (i)  increase  access to health  care for the
uninsured,  (ii) control the escalation of health care  expenditures  within the
economy and (iii) use health  care  reimbursement  policies to help  control the
federal deficit.  The Company  anticipates that Congress and state  legislatures
will continue to review and assess  alternative health care delivery systems and
methods of payment, and public debate of these issues will likely continue.  Due
to uncertainties regarding the outcome of reform initiatives and their enactment
and  implementation,  the Company cannot  predict which,  if any, of such reform
proposals will be adopted and when they might be adopted.  Other  countries also
are  considering   health  care  reform.   The  Company's  plans  for  increased
international  sales are largely  dependent  upon other  countries'  adoption of
managed  care  systems and their  acceptance  of the  potential  benefits of the
Company's  products  and the belief that managed care plans will have a positive
effect  on  sales.  For the  reasons  identified  in this  and in the  preceding
paragraph,  however, those assumptions may be incorrect.  Significant changes in
health  care  systems are likely to have a  substantial  impact over time on the
manner in which the  Company  conducts  its  business  and could have a material
adverse  effect on the Company's  business,  financial  condition and results of
operations and ability to market its products as currently contemplated.

     INTENSE  COMPETITION.  The orthopedic  industry is characterized by intense
competition. Currently, there are three major competitors other than the Company
selling electromagnetic bone growth stimulation products approved by the FDA for
the  treatment of nonunion  fractures,  one large  domestic and several  foreign
manufacturers of CPM devices and one competitor selling a therapeutic injectable
for treatment of osteoarthritis of the knee. The Company also competes with many
independent  owners/lessors  of CPM  devices in  addition  to the  providers  of
traditional orthopedic  immobilization products and rehabilitation services. The
Company estimates that one of its competitors has a dominant share of the market
for electromagnetic bone growth stimulation  products for non-healing  fractures
in the United States and that another has a dominant share of the market for use
of their device as an adjunct to spinal fusion surgery.  In addition,  there are
several large,  well-established  companies that sell fracture  fixation devices
similar in  function  to those sold by the  Company.  Many  participants  in the
medical  technology  industry,   including  the  Company's   competitors,   have
substantially  greater capital  resources,  research and development  staffs and
facilities than the Company.  Such participants have developed or are developing
products that may be  competitive  with the products that have been or are being
developed or researched by the Company. Other companies are developing a variety
of other products and  technologies to be used in CPM devices,  the treatment of
fractures and spinal fusions,  including growth factors,  bone graft substitutes
combined  with  growth  factors,  and  nonthermal  ultrasound.  One  company has
received  FDA approval for a  nonthermal  ultrasound  device to treat  nonsevere
fresh  fractures of the lower leg and lower  forearm.  There can be no assurance
that products  marketed by these or other  companies will not be sold for use in
treating  non-healing  fractures  or  spinal  fusions,  even in the  absence  of
regulatory  approval  to do so.  Any such sales  could  have a material  adverse
effect on the Company.  Many of the  Company's  competitors  have  substantially
greater  experience  than the Company in  conducting  research and  development,
obtaining regulatory approvals,  manufacturing and marketing and selling medical
devices.  Any failure by the Company to develop products that compete  favorably
in the  marketplace  would  have a  material  adverse  effect  on the  Company's
business, financial condition and results of operations.

     RAPID TECHNOLOGICAL CHANGE. The medical device industry is characterized by
rapid and significant  technological  change. There can be no assurance that the
Company's  competitors  will not succeed in developing or marketing  products or
technologies  that are more effective or less costly,  or both, and which render
the  Company's   products  obsolete  or   non-competitive.   In  addition,   new
technologies,  procedures  and  medications  could be developed  that replace or
reduce the value of the Company's products. The Company's success will depend in
part on its  ability to respond  quickly to medical  and  technological  changes
through  the  development  and  introduction  of new  products.  There can be no
assurance that the Company's new product  development efforts will result in any
commercially successful products. A failure to develop new products could have a
material  adverse  effect on the  Company's  business,  financial  condition and
results of operations.

     GOVERNMENT  REGULATION.  The  Company's  current  and future  products  and
manufacturing  activities  are and will be  regulated  under the Medical  Device
Amendments Act of 1976 to the Food, Drug and Cosmetic Act, the 1990
                                        9
<PAGE>
Safe Medical Devices Act and the Food and Drug Administration  Modernization Act
of 1997. The Company's  current BIOLOGIC  technology-based  products and Hyalgan
are classified as Class III Significant  Risk Devices,  which are subject to the
most  stringent  level of FDA review for medical  devices and are required to be
tested under IDE clinical  trials and  approved for  marketing  under a PMA. The
Company's  fracture  fixation  devices  are Class II devices  that are  marketed
pursuant to 510(k) clearance from the FDA.

     The Company received  approval of an IDE for the SPINALOGIC 1000 for use as
an adjunct to spinal fusion surgery in August 1992 and commenced clinical trials
for this product in February  1993.  The Company is in the process of evaluating
the results of the clinical trial for use of the  SPINALOGIC  1000 as an adjunct
to spinal fusion surgery. In September 1995, the Company received an approval of
an IDE  supplement  for the  SPINALOGIC  1000 for  treatment  of  failed  spinal
fusions.  The Company  commenced this study in the fourth quarter of 1995. There
can be no assurance that any such clinical trials will be successfully completed
or that, if  completed,  the results of such studies will  demonstrate  clinical
benefits.  Any significant  delay in receiving or failure to receive  regulatory
approval of the Company's  products could have a material  adverse effect on the
Company's business, financial condition and results of operations.

     The FDA and comparable  agencies in many foreign countries and in state and
local governments impose substantial  limitations on the introduction of medical
devices through costly and  time-consuming  laboratory and clinical  testing and
other  procedures.  The process of obtaining FDA and other  required  regulatory
approvals is lengthy, expensive and uncertain.  Moreover,  regulatory approvals,
if granted,  typically include significant limitations on the indicated uses for
which a product may be marketed.  In addition,  approved products may be subject
to additional testing and surveillance programs required by regulatory agencies,
and product  approvals  could be  withdrawn  and  labeling  restrictions  may be
imposed for failure to comply with  regulatory  standards or upon the occurrence
of unforeseen problems following initial marketing.

     The Company is also required to adhere to applicable  requirements  for FDA
Good  Manufacturing  Practices,  to  engage  in  extensive  record  keeping  and
reporting  and to make  available  its  manufacturing  facilities  for  periodic
inspections by governmental agencies,  including the FDA and comparable agencies
in other countries. Failure to comply with these and other applicable regulatory
requirements could result in, among other things,  significant fines, suspension
of approvals,  seizures or recalls of products,  or operating  restrictions  and
criminal  prosecutions.  The Company has received letters from the FDA regarding
its regulatory  compliance.  The Company  believes that all issues raised in the
letters have been resolved.

     Changes in existing  regulations or interpretations of existing regulations
or adoption  of new or  additional  restrictive  regulations  could  prevent the
Company from obtaining, or affect the timing of, future regulatory approvals. If
the Company experiences a delay in receiving or fails to obtain any governmental
approval  for any of its current or future  products or fails to comply with any
regulatory requirements, the Company's business, financial condition and results
of operations could be materially adversely affected.

     DEPENDENCE ON KEY SUPPLIERS.  The Company purchases the microprocessor used
in the ORTHOLOGIC 1000 and OL-1000 SC from a sole source supplier, Phillips N.V.
In  addition,  there  are  two  suppliers  for  another  component  used  in the
ORTHOLOGIC  1000 and OL-1000 SC and two  suppliers  for the  composite  material
components  of  the  ORTHOFRAME   products.   Establishment   of  additional  or
replacement  suppliers for the components  cannot be  accomplished  quickly.  In
addition,  Hyalgan is manufactured by a single company, Fidia S.p.A. The Company
purchases several CPM components,  including microprocessors,  motors and custom
key  panels  from  sole-source  suppliers.  The  Company  believes  that its CPM
products  are not  dependent  on these  components  and could be  redesigned  to
incorporate  comparable  components.  While the  Company  maintains  a supply of
certain  ORTHOLOGIC  1000 and OL-1000 SC components to meet sales  forecasts for
one year and ORTHOFRAME  components to meet sales forecasts for three months and
the distributor of Hyalgan maintains a supply of product to last several months,
any delay or  interruption  in  supply of these  components  or  products  could
significantly impair the Company's ability to deliver its
                                       10
<PAGE>
products in sufficient quantities,  and therefore, could have a material adverse
effect on its business, financial condition and results of operations.

     DEPENDENCE  ON PATENTS,  LICENSES AND  PROPRIETARY  RIGHTS.  The  Company's
success  will depend in  significant  part on its ability to obtain and maintain
patent protection for products and processes,  to preserve its trade secrets and
proprietary know-how and to operate without infringing the proprietary rights of
third  parties.  While the Company  holds title to  numerous  United  States and
foreign patents and patent applications,  as well as licenses to numerous United
States and  foreign  patents,  no  assurance  can be given  that any  additional
patents will be issued or that the scope of any patent  protection  will exclude
competitors  or that any of the patents  held by or licensed to the Company will
be held valid if  subsequently  challenged.  The  validity and breadth of claims
covered  in  medical  technology  patents  involves  complex  legal and  factual
questions  and  therefore  may be highly  uncertain.  In addition,  although the
Company holds or licenses  patents for certain of its  technologies,  others may
hold or receive patents which contain claims having a scope that covers products
developed by the Company. There can be no assurance that licensing rights to the
patents of others, if required for the Company's products,  will be available at
all or at a cost acceptable to the Company.

     The Company  licenses  covering the BIOLOGIC  and  ORTHOFRAME  technologies
provide for  payment by the Company of  royalties.  The  Co-Promotion  Agreement
provides the Company with exclusive  marketing  rights for Hyalgan to orthopedic
surgeons in the United States.  The Company is paid a commission  which is based
upon the number of units sold at the wholesale acquisition cost less amounts for
distribution  costs,  discounts,   rebates,  returns,  product  transfer  price,
overhead  factor and a royalty  factor.  Each license may be  terminated  if the
Company breaches any material provision of such license.  The termination of any
license  would  have  a  material  adverse  effect  on the  Company's  business,
financial condition and results of operations.

     The Company  also relies on  unpatented  trade  secrets and  know-how.  The
Company   generally   requires   its   employees,   consultants,   advisors  and
investigators  to enter into  confidentiality  agreements  which include,  among
other  things,  an agreement to assign to the Company all  inventions  that were
developed by the employee  while employed by the Company that are related to its
business. There can be no assurance, however, that these agreements will protect
the Company's proprietary information or that others will not gain access to, or
independently develop similar trade secrets or know-how.

     There  has  been   substantial   litigation   regarding  patent  and  other
intellectual property rights in the orthopedic industry. Litigation, which could
result in  substantial  cost to, and  diversion of effort by, the Company may be
necessary to enforce patents issued or licensed to the Company, to protect trade
secrets  or  know-how  owned by the  Company or to defend  the  Company  against
claimed  infringement  of the  rights of others and to  determine  the scope and
validity of the proprietary rights of others. There can be no assurance that the
results of such  litigation  would be  favorable  to the  Company.  In addition,
competitors  may employ  litigation  to gain a  competitive  advantage.  Adverse
determinations   in  litigation   could  subject  the  Company  to   significant
liabilities and could require the Company to seek licenses from third parties or
prevent the Company from  manufacturing,  selling or using its products,  any of
which  determinations  could have a  material  adverse  effect on the  Company's
business, financial condition and results of operations.

     RISK OF PRODUCT  LIABILITY  CLAIMS.  The Company faces an inherent business
risk of  exposure to product  liability  claims in the event that the use of its
technology or products is alleged to have resulted in adverse effects.  To date,
no product  liability  claims  have been  asserted  against  the Company for its
fracture healing and Hyalgan  products,  and there have been only limited claims
for its CPM  products.  The Company  maintains a product  liability  and general
liability  insurance policy with coverage of an annual aggregate maximum of $2.0
million.  The  Company's  product  liability  and  general  liability  policy is
provided on an occurrence  basis.  The policy is subject to annual  renewal.  In
addition, the Company maintains an umbrella excess liability policy which covers
product and general  liability with coverage of an additional  annual  aggregate
maximum of $25.0 million.  There can be no assurance that liability  claims will
not exceed the  coverage  limits of such  policies or that such  insurance  will
continue to be  available  on  commercially  reasonable  terms or at all. If the
Company does not or cannot maintain sufficient liability insurance,
                                       11
<PAGE>
its ability to market its products may be significantly  impaired.  In addition,
product  liability  claims could have a material adverse effect on the business,
financial condition and results of operations of the Company.

     VOLATILITY IN PRICE OF COMMON SHARES; STOCK REPURCHASE PLAN; NASDAQ LISTING
MATTERS.  The market price of the Company's  Common Stock is likely to be highly
volatile.  Factors such as  fluctuations  in the  Company's  operating  results,
developments  in  Company  litigation,  announcements  and  timing of  potential
acquisitions,  announcements of technological innovations or new products by the
Company or its competitors,  FDA and international  regulatory actions,  actions
with respect to reimbursement  matters,  developments with respect to patents or
proprietary rights, public concern as to the safety of products developed by the
Company  or  others,  changes in health  care  policy in the  United  States and
internationally,  changes in stock market analyst recommendations  regarding the
Company, other medical device companies or the medical device industry generally
and general market conditions may have a significant  effect on the market price
of the  Common  Stock.  In  addition,  the  stock  market  has from time to time
experienced  significant price and volume fluctuations that are unrelated to the
operating performance of particular  companies.  These broad market fluctuations
may adversely affect the market price of the Company's Common Stock.

     The  Company's  Common  Stock is quoted on Nasdaq,  which  imposes  various
requirements  for ongoing  listing.  Among other  matters,  rules  applicable to
Nasdaq issuers  require  stockholder  approval of certain stock  issuances.  The
Company does not believe stockholder  approval is required and therefore has not
pursued  stockholder  approval  for the  issuance of Common  Shares  pursuant to
conversion  of the Series B  Preferred  Shares and the  exercise  of the related
Warrants.  There can be no assurance  that Nasdaq will not require such approval
or will not seek to delist the  Company's  Common Stock if such  approval is not
obtained.

     DILUTION.  Certain events,  including the issuance of additional  shares of
preferred  stock or Common Shares,  including upon the exercise or conversion of
outstanding  options,  warrants and shares of preferred stock of the Company, or
in  connection  with the payment of dividends on the Series B Preferred  Shares,
could result in substantial dilution of the Common Stock. The Company's Series B
Preferred Shares are generally not convertible into Common Shares until 300 days
after  issuance  (the  "Initial  Conversion  Period").  However,  upon an  Early
Conversion  Event, as defined in the Certificate of Designation for the Series B
Preferred Shares (the "Certificate of Designation"),  the applicable  conversion
price  would be the  average of the 10 lowest  closing bid prices for the Common
Stock  occurring  during the 30 trading  days  immediately  prior to the date of
conversion (the "Floating  Conversion Price").  Following the Initial Conversion
Period, the conversion price will be the lesser of: (i) the Floating  Conversion
Price; or (ii) a fixed conversion price equal to 103% of the average closing bid
price for the Common Stock during the 10 trading days  immediately  prior to the
end of the Initial Conversion Period (the "Fixed Conversion Price"). Because the
applicable  conversion  prices, and thus the number of Common Shares that may be
issued upon conversion are dependent upon presently unknown future market prices
for the Common Stock,  the number of Common Shares to be issued upon  conversion
is not presently determinable. If the Floating Conversion Price had been used to
determine the number of Common Shares  issuable on the date hereof,  the Company
would have been  obligated  to issue a total of 4,571,220  Common  Shares if all
15,000 Series B Preferred Shares were converted.  The issuance of such amount of
Common Shares, and the potential  "overhang" of such shares on the market, could
adversely  affect the prevailing  market price of the Company's Common Stock. In
addition,  the Company may from time to time issue  additional  shares of Common
Stock or other series of preferred  stock  exercisable  for or convertible  into
shares  of  Common  Stock  to  finance  the  expansion  of  its  business,   for
acquisitions, or for other corporate purposes.

     ANTI-TAKEOVER  PROVISIONS.  The Company's Certificate of Incorporation,  as
amended (the  "Certificate"),  contains  certain  provisions that could have the
affect of delaying,  deferring or preventing a change in control of the Company.
In addition, certain provisions of the Delaware General Corporation Law restrict
business combinations with any "interested  stockholder" as defined in such law.
These provisions may discourage, delay, or prevent certain types of transactions
involving  actual or  potential  change in  control  of the  Company,  including
transactions in which the  stockholders  might  otherwise  receive a premium for
their Common Stock over then-current market prices, and may limit the ability of
the Company's  stockholders to approve transactions which they may deem to be in
their  best  interests.  These  provisions  may have the affect of  delaying  or
preventing a change in control of the Company without
                                       12
<PAGE>
action by the stockholders and,  therefore,  could adversely affect the price of
the Company's  Common Stock.  See  "Description  of Securities --  Anti-Takeover
Provisions."

     The  Company's  Board of Directors has the authority to issue a total of up
to  2,000,000  shares  of  Preferred  Stock and to fix the  rates,  preferences,
privileges, and restrictions,  including voting rights, of such preferred stock,
without  any  further  vote or action  by the  stockholders.  The  rights of the
holders of the Common  Stock will be subject to, and may be  adversely  affected
by, the rights of the holders of the preferred  stock that have been issued,  or
might be issued in the future.  The issuance of preferred stock, while providing
desired flexibility in connection with possible acquisitions and other corporate
purposes, could have the effect of making it more difficult for a third party to
acquire a majority  of the  outstanding  voting  stock of the  Company,  thereby
delaying,  deferring,  or  preventing  a  change  in  control  of  the  Company.
Furthermore,  holders of such preferred  stock may have other rights,  including
economic rights senior to the Common Stock, and, as a result,  the existence and
issuance thereof could have a material adverse affect on the market value of the
Common Stock.  The Company has in the past issued,  and may from time to time in
the future issue,  preferred  stock for financing or other purposes with rights,
preferences, or privileges senior to the Common Stock.

     On February 21, 1997, the Company's Board of Directors  declared a dividend
distribution  of one  Right  for  each  outstanding  share  of  Common  Stock to
stockholders  of record at the close of business on March 12, 1997.  Each Right,
generally,  entitles  the  registered  holder to  purchase  from the Company one
one-hundredth of a share of Series A Preferred Stock, par value $.0005 per share
("Series A  Shares"),  at a price of $25.00,  subject to  adjustment  to prevent
dilution.  The  description  and terms of the  Rights  are set forth in a Rights
Agreement (the "Rights  Agreement") between the Company and Bank of New York, as
Rights Agent.  Initially,  no separate Right  Certificates  will be distributed.
Until the date of a triggering event (the "Separation Date"), the Rights will be
evidenced  by the  certificates  representing  the  Common  Stock.  As  soon  as
practicable following the Separation Date, separate certificates  evidencing the
Rights  will be mailed to holders of record of the Common  Stock as of the close
of business  on the  Separate  Date.  The Rights are not  exercisable  until the
Separation  Date and will expire on March 11, 2007,  unless earlier  redeemed by
the Company as described below.

     In the event that,  at any time  following  the  Separation  Date,  (a) the
Company is the surviving  corporation  in a merger with an Acquiring  Person (as
defined  in the  Rights  Agreement)  and the  Common  Stock  is not  changed  or
exchanged,  (b) a person (other than the Company and its affiliates) becomes the
beneficial  owner of 20% or more of the then  outstanding  Common Stock,  (c) an
Acquiring Person engages in one or more "self-dealing" transactions as set forth
in the Rights Agreement or (d) during such time as there is an Acquiring Person,
an event occurs that results in such Acquiring Person's ownership interest being
increased by more than one percent,  the Rights  Agreement  provides that proper
provision  shall be made so that  each  holder  of a Right  will  thereafter  be
entitled to receive, upon exercise,  Common Stock (or, in certain circumstances,
cash,  property or other  securities of the Company) having a value equal to two
times the exercise price of the Right. Rights beneficially owned by an Acquiring
Person would become void in these circumstances.

     In the  event  that,  at any  time  following  the  first  date  of  public
announcement by the Company or an Acquiring Person  indicating that an Acquiring
Person has become such (the "Shares  Acquisition Date"), (a) the Company engages
in a merger or other  business  combination  transaction in which the Company is
not the  surviving  corporation,  (b) the  Company  engages in a merger or other
business combination transaction with another person in which the Company is the
surviving corporation,  but in which its Common Stock is changed or exchanged or
(c) 50% or more of the Company's assets or earning power is sold or transferred,
the Rights  Agreement  provides that proper provision shall be made so that each
holder of a Right shall thereafter have the right to receive,  upon the exercise
thereof at the then  current  exercise  price of the Right,  common stock of the
acquiring  company  having a value equal to two times the exercise  price of the
Right.  Rights  beneficially  owned by an Acquiring  Person would become void in
these circumstances.

     The Board may, at its  option,  at any time after the right of the Board to
redeem the Rights has expired or terminated (with certain exceptions),  exchange
all or part of the then  outstanding  and  exercisable  Rights) other than 
                                       13
<PAGE>
those  held  by the  Acquiring  Person  and  Affiliates  and  Associates  of the
Acquiring  Person) for Common  Stock at a ratio of one share of Common Stock per
Right, as adjusted. Until ten business days following a Shares Acquisition Date,
the Board of  Directors  may  redeem  the  Rights at a price of $0.01 per Right,
subject  to  adjustment.  Thereafter,  the Board may only  redeem  the Rights in
certain specified circumstances.

     RESTRICTIONS  ON DIVIDENDS  AND  REDEMPTIONS.  The Company has not paid any
dividends  on its  Common  Stock and does not plan to pay any  dividends  on its
Common Stock for the  foreseeable  future.  In addition,  the  provisions of the
Series B Preferred  Shares prohibit the payment of dividends on the Common Stock
for two years after the  issuance  of the Series B Preferred  Shares and between
two and four years after issuance except for dividends out of retained  earnings
accrued  during the prior fiscal year.  Further,  although the Company's  credit
facility does not include any specific prohibitions on the payment of dividends,
it does  include  various  financial  covenants  that  could  have the effect of
limiting cash dividend or redemption payments.  The Delaware General Corporation
Law includes  limitations on the ability of  corporations to pay dividends on or
to purchase or redeem their own stock.

     SHARES  ELIGIBLE FOR FUTURE SALE. In addition to the Common Stock  issuable
upon conversion of the 15,000 Series B Preferred Shares and Warrants for 600,000
Common  Shares,  as of August 14,  1998,  the Company had  25,300,190  shares of
Common Stock outstanding. The Company also had outstanding, as of the same date,
options for  3,748,950  shares of Common Stock under  Company stock option plans
and  warrants  to  acquire  an   additional   10,000  shares  of  Common  Stock.
Substantially  all of the shares  underlying the  outstanding  options have been
registered  for resale by the holders  thereof.  Future  sales of such shares of
Common Stock and the additional  presently  indeterminate shares of Common Stock
that may be issued by the  Company in the  future,  including  the Common  Stock
subject to outstanding options,  warrants and conversion rights, could adversely
affect the prevailing market price of the Common Stock.

     The Company has one outstanding grant of registration rights to a holder of
a warrant for shares of the Company's Common Stock. In addition, the Company may
from time to time issue additional Common Stock or securities exercisable for or
convertible  into Common  Stock to finance the  expansion of its  business,  for
acquisitions, or for other corporate purposes.

                                 USE OF PROCEEDS

     The Selling  Security  Holders  will  receive all of the  proceeds  and the
Company will not receive any of the proceeds  from the sale of the Common Shares
offered hereby. If all of the outstanding  Warrants were exercised,  the Company
would  receive gross  proceeds of  approximately  $3,300,000,  which the Company
expects to use for general corporate purposes. There is no assurance that any of
the Warrants will be exercised.
                                       14
<PAGE>
                            SELLING SECURITY HOLDERS

     The following table provides information regarding the beneficial ownership
of the Common Shares as of August 14, 1998,  and as adjusted to reflect the sale
of the securities  offered hereby,  by the Selling Security  Holders.  Except as
otherwise  indicated,  to the knowledge of the Company, all persons listed below
have sole voting and investment power with respect to their securities.
<TABLE>
<CAPTION>
                                      Common
                                      Shares
                                   Beneficially        Common
                                   Owned Prior      Shares To Be       Common Shares
                                      To The         Sold In The     Beneficially Owned
                                   Offering (1)     Offering (1)    After The Offering (2)
                                   ------------     ------------    ----------------------
Name Of Selling Security Holder       Number           Number       Number     Percent
- -------------------------------       ------           ------       ------     -------
<S>                                   <C>             <C>            <C>       <C>
Marshall Capital Management, Inc.     2,285,610       2,285,610       0          0
Capital Ventures International        2,285,610       2,285,610       0          0
</TABLE>
(1)  Includes  such  number of  Common  Shares  estimated  to be  issuable  upon
     conversion  of  the  Series  B  Preferred  Shares,  assuming  the  Floating
     Conversion  Price of $3.2814 per share  (calculated on the date  hereof) is
     used to  determine  the Common  Shares  issuable  on such  conversion.  See
     "Description of Securities." The actual number of such Common Shares may be
     greater than the  indicated  amount as a result of the  application  of the
     conversion  price  provisions  at  the  actual  date  of  conversion.   See
     "Description of Securities."  The Series B Preferred  Shares were purchased
     by the Selling  Security  Holders in a private  placement by the Company on
     July 13, 1998. The Series B Preferred Shares are convertible commencing May
     10, 1999,  except upon the  occurrence of an Early  Conversion  Event.  The
     figures  above also  include  up to 600,000  Common  Shares  issuable  upon
     conversion of Warrants sold in connection with the private placement of the
     Series B Preferred Shares.

     No holder of the Series B  Preferred  Shares is  entitled  to convert  such
     securities to the extent that the shares to be received by such holder upon
     such conversion would cause the Company to issue more than 5,000,000 Common
     Shares (the "Cap  Amount")  upon  conversion  of Series B Preferred  Shares
     without the Company  having gained the prior  approval of a majority of its
     stockholders for issuances in excess of the Cap Amount.  Unless stockholder
     approval is obtained to issue Common Shares to the Selling Security Holders
     in excess of the Cap Amount,  none of the Selling  Security Holders will be
     entitled to acquire  more than its  proportionate  share of the Cap Amount.
     The Company may be required to redeem  Series B Preferred  Shares which may
     not be  converted  and any Warrants  which may not be exercised  because of
     such limitation.

     Except under certain limited circumstances, no holder of Series B Preferred
     Shares or Warrants may convert or exercise  such  securities  to the extent
     that the Common  Shares to be received by such holder upon such  conversion
     or exercise would cause such holder to beneficially  own more than 4.99% of
     the Company's outstanding Common Stock. Moreover, due to the Cap Amount and
     because the holders of Series B Preferred Shares may not convert the Series
     B Preferred  Shares into Common  Shares,  or exercise  Warrants  for Common
     Shares, before May 10, 1999 absent circumstances which have not occurred as
     of the date of this  Prospectus  and which are  beyond  the  control of the
     holders of the Series B  Preferred  Shares,  the number of shares set forth
     herein which a Selling Security Holder may sell pursuant to this Prospectus
     may exceed the number of Common Shares such Selling  Security  Holder would
     otherwise  beneficially own as determined  pursuant to Section 13(d) of the
     Exchange Act.
                                       15
<PAGE>
(2)  Assumes  that the  Selling  Security  Holder  disposes of all of the Common
     Shares  covered by this  Prospectus  and does not  acquire  any  additional
     Common  Shares.  Except  as set forth in  footnote  (1),  assumes  no other
     exercise  of  options,  warrants  or  conversion  rights  or  issuances  of
     additional securities.

                            DESCRIPTION OF SECURITIES

     The Company has authorized  40,000,000 shares of Common Stock and 2,000,000
shares of Preferred Stock ("Preferred Stock"). As of August 14, 1998, 25,300,190
Common Shares were issued and outstanding,  300,000 shares of Series A Preferred
Stock were  authorized for issuance  under the Company's  Rights Plan (see "Risk
Factors --  Anti-Takeover  Provisions") and a total of 15,000 Series B Preferred
Shares were issued and outstanding.

     The Company's Board of Directors has the authority,  without further action
by the  stockholders,  to issue a total of up to  2,000,000  shares of Preferred
Stock in one or more series and to fix the rights,  preferences,  privileges and
restrictions  granted to or imposed upon any series of unissued  Preferred Stock
and to fix the number of shares  constituting  any series and the designation of
such  series,  without  any  further  vote or  action by the  stockholders.  The
issuance  of  Preferred  Stock may have the  effect of  delaying,  deferring  or
preventing  a change in control of the  Company  without  further  action by the
stockholders,  may discourage  bids for the Company's  Common Stock at a premium
over the market  price of the Common Stock and may  adversely  affect the market
price of and other rights of the holders of Common Stock.

     The following summary of certain provisions of the Common Stock, the Series
B Preferred  Shares and Warrants  does not purport to be complete and is subject
to, and is  qualified in its  entirety  by, the  Certificate,  the Bylaws of the
Company and by the provisions of applicable law.

COMMON STOCK

     The  holders  of  Common  Stock are  entitled  to one vote per share on all
matters to be voted upon by the  stockholders.  Stockholders are not entitled to
cumulate their votes for the election of directors.  Subject to preferences that
may be applicable to any outstanding  shares of preferred  stock,  including the
Series B Preferred  Shares,  the holders of Common Stock are entitled to receive
ratably  such  dividends,  if any, as may be  declared  from time to time by the
Board of Directors  out of funds legally  available for that purpose.  See "Risk
Factors  --  Restrictions  on  Dividends  and  Redemption."  In the  event  of a
liquidation,  dissolution  or winding up of the  Company,  the holders of Common
Stock are entitled to share  ratably in all assets  remaining  after  payment of
liabilities,  subject to prior  distribution  rights of preferred stock, if any,
then outstanding. The Common Stock has no preemptive, conversion or subscription
rights.  There are no  redemption or sinking fund  provisions  applicable to the
Common Stock.

SERIES B CONVERTIBLE PREFERRED STOCK

     The  Company  is  authorized  to  issue  20,000  shares  of  its  Series  B
Convertible  Preferred Stock (the "Series B Preferred Shares"),  of which 15,000
Series B Preferred  Shares were  outstanding as of August 14, 1998. In the event
of any  liquidation,  dissolution  or winding up of the Company,  holders of the
Series B Preferred  Shares are entitled to receive,  prior and in  preference to
any  distribution  of any assets of the Company to the holders of Common  Stock,
the Stated Value ($1,000) per share,  plus any accrued but unpaid dividends (the
"Series B Liquidation  Preference").The  Series B Preferred Shares generally may
not be converted  into shares of Common Stock until 300 days after issuance (the
"Initial  Conversion  Period").  However,  upon an Early  Conversion  Event  (as
defined  in the  Certificate  of  Designation)  before  the  end of the  Initial
Conversion Period,  the applicable  conversion price would be the average of the
10 lowest  closing  bid  prices  for the Common  Stock  occurring  during the 30
trading  days  immediately  prior  to the  date  of  conversion  (the  "Floating
Conversion Price"). Commencing 300 days after the date of issuance of the Series
B Preferred  Shares,  each holder may convert its Series B Preferred Shares into
Common Shares,  subject to certain  limitations and procedures  described in the
Certificate  of  Designation.  See "Selling  Security  Holders."  Following  the
Initial  Conversion  Period, the conversion price will be the lesser of: (i) the
Floating Conversion Price; or (ii) a fixed conversion price equal to 103% of the
average  closing  bid price for the Common
                                       16
<PAGE>
Stock  during the 10 trading  days  immediately  prior to the end of the Initial
Conversion Period (the "Fixed Conversion Price").

     On the fourth  anniversary  of the date of issuance,  or July 13, 2002, all
Series B Preferred Shares then outstanding will be automatically  converted into
the number of Common  Shares equal to the Stated Value of the Series B Preferred
Shares being converted divided by the applicable  Conversion Price. In the event
of certain Mandatory  Redemption  Events,  which events the Company believes are
within its control, each holder of Series B Preferred Shares will have the right
to  require  the  Company  to  redeem  those  shares  for cash at the  Mandatory
Redemption  Price,  which  will  be  equal  to the  greater  of (i)  Liquidation
Preference of the Series B Preferred  Shares being  redeemed  multiplied by 117%
and (ii) an amount  determined  by dividing (A) the Stated Value of the Series B
Preferred  Shares being redeemed by (B) the Conversion  Price then in effect and
multiplying  the resulting  quotient by the average closing price for the Common
Stock for the five days  preceding the  Mandatory  Redemption  Date,  subject to
increase for a failure to pay the Mandatory  Redemption Price timely.  Mandatory
Redemption Events include, but are not limited to, the failure of the Company to
timely  deliver  Common  Shares as  required  under  the  terms of the  Series B
Preferred  Shares or  Warrants,  the  Company's  failure  to obtain  stockholder
approval of an increase in the  authorized  number of shares of Common Stock and
of an  increase  in the  number of Common  Shares  reserved  for  issuance  upon
conversion of the Series B Preferred  Shares,  the Company's  failure to satisfy
registration  requirements  applicable  to such  securities,  the failure by the
Company to  maintain  the  listing of its Common  Shares on the Nasdaq  National
Market  or  another  national  securities  exchange,  and  certain  transactions
involving the sale of assets or business combinations involving the Company.

     The Company  privately  placed the Series B  Preferred  Shares at a closing
designated as Tranche A. If the closing bid price for the Company's Common Stock
is at or above $8.00 per share for 10 consecutive  days before May 10, 1999, the
Company  will sell an  additional  $5,000,000  of Series B Preferred  Shares and
Warrants at a Tranche B closing.  Additionally, if the Company has not privately
placed the  additional  Series B Preferred  Shares and Warrants by May 10, 1999,
and if the closing bid price for the Company's Common Stock is at or above $8.00
per share for 10  consecutive  days between May 11, 1999 and July 13, 2000,  the
Company  may sell an  additional  $5,000,000  of Series B  Preferred  Shares and
related  Warrants at a Tranche B closing.  Series B Preferred  Shares  privately
placed  in  Tranche  B would  also be  subject  to the  rights,  privileges  and
preferences in the Certificate of Designation.

     The Securities  Purchase  Agreement (as defined below) requires the Company
to  seek  stockholder  approval,  at  or  before  its  1999  annual  meeting  of
stockholders, for an increase in the number of authorized shares of Common Stock
and to  reserve,  out of such  increased  number,  no less than the  greater  of
7,500,000  shares  of Common  Stock  and 150% of the  number of shares of Common
Stock  issuable  upon  conversion  of all of the Series B  Preferred  Shares and
exercise of the Warrants outstanding on the date of the proxy statement relating
to such meeting of stockholders. If the Company fails to obtain such stockholder
approval prior to May 31, 1999, the Company may be required,  from time to time,
to redeem  the  sufficient  number of Series B  Preferred  Shares to permit  the
Company  to  maintain  the  required  reserve  of  shares  of  Common  Stock for
conversion of Series B Preferred  Shares and exercise of related  Warrants.  The
Company's line of credit restricts the Company's ability to redeem stock without
such  lender's  approval.  If the  Company  were  required  to  redeem  Series B
Preferred  Shares and was unable to obtain such  lender's  consent,  an event of
default would likely be created with respect to the line of credit.  An event of
default  under the line of credit  could have a material  adverse  effect on the
Company's business, financial condition and results of operations.

WARRANTS RELATED TO SERIES B PREFERRED SHARES

     Holders of the Series B Preferred Shares also received Warrants to purchase
40 Common  Shares for each Series B Preferred  Share  purchased by such holders,
for an aggregate of 600,000  Common  Shares  underlying  Warrants.  The exercise
price of the Warrants is $5.50.  Each Warrant has a five year term.  The Company
may  sell  additional  Warrants  under  certain  conditions.   See  "--Series  B
Convertible Preferred Stock."
                                       17
<PAGE>
TRANSFER AGENT AND REGISTRAR

     The Transfer Agent and Registrar for the Common Stock is Bank of New York.

DELAWARE LAW

     The Company is subject to the  provisions  of Section  203 of the  Delaware
General  Corporation  Law. In general,  this statute  prohibits a publicly  held
Delaware  corporation  from  engaging  in  a  "business   combination"  with  an
"interested  stockholder"  for a period of three  years  after the date that the
person became an interested  stockholder  unless (with certain  exceptions)  the
business combination or the transaction in which the person became an interested
stockholder is approved in a prescribed manner. The term "business  combination"
generally includes a merger, asset or stock sale, or other transaction resulting
in  a  financial   benefit  to  the  stockholder.   Generally,   an  "interested
stockholder" is a person who, together with affiliates and associates,  owns (or
within  three  years  prior,  did own) 15% or more of the  corporation's  voting
stock.

ANTI-TAKEOVER PROVISIONS

     Certain provisions of the Certificate and Bylaws which are summarized below
may discourage or have the effect of delaying or deferring  potential changes in
control of the Company.  The cumulative  effect of these terms may be to make it
more  difficult  to acquire  and  exercise  control of the  Company  and to make
changes in management.  Furthermore, these provisions may make it more difficult
for  stockholders  to participate in a tender or exchange offer for Common Stock
and is so doing may diminish the market value of the Common Stock.

     The  Certificate  provides for the approval of the holders of two-thirds of
the  outstanding  voting  stock of the Company  for a merger or a  consolidation
with, or a sale by the Company of all or substantially all of its assets to, any
person,  firm or  corporation,  or any group  thereof,  which owns,  directly or
indirectly,  5% or more of any class of voting  securities  of the  Company  (an
"Interested  Person").  In addition,  such two-thirds  approval is required with
respect to other transactions  involving any such Interested  Person,  including
among other things, purchase by the Company or any of its subsidiaries of all or
substantially  all of the assets or stock of an Interested  Person and any other
transaction with an Interested Person which requires  stockholder approval under
Delaware  law.  The  two-thirds  voting  requirement  is not  applicable  to any
transaction  approved by the  Company's  Board of Directors if a majority of the
members  of the Board of  Directors  voting to  approve  such  transaction  were
elected prior to the date of which the other party became an  Interested  Person
or whose initial election as a director  succeeds a continuing  director or is a
newly created directorship.

     The  Certificate  provides  that each  director will serve for a three-year
term  and  that  approximately  one-third  of the  directors  are to be  elected
annually.  Candidates  for  directors  shall be  nominated  only by the Board of
Directors or by a stockholder  who gives written  notice to the Company at least
20 days before the annual meeting.  The Company may have three to nine directors
as determined from time to time by the Board. Between stockholder meetings,  the
Board  may  appoint  new   directors  to  fill   vacancies   or  newly   created
directorships.  The  Certificate  does not  provide  for  cumulative  voting  at
stockholder  meetings for election of directors.  A director may be removed from
office  only for cause by the  affirmative  vote of a majority  of the  combined
voting power of the then outstanding  shares of stock entitled to vote generally
in the election of directors.

     The Certificate further provides that stockholder action must be taken at a
meeting of  stockholders  and may not be  effected  by any  consent in  writing.
Special  meetings  of  stockholders  may be called  only by the  President  or a
majority of either the Board of  Directors or the holders of at least 35% of the
outstanding shares of capital stock entitled to vote. If a stockholder wishes to
propose an agenda item for  consideration,  such  stockholder  must give a brief
description  of each item and written notice to the Company not less than 60 nor
more than 90 days prior to the meeting, or if less than 70 days prior disclosure
of the meeting  date is given within 15 days of such  disclosure,  or such other
period of time necessary to comply with  applicable  federal proxy  solicitation
rules or other regulations.  Stockholders may need to present their proposals in
advance of the time they  receive  their notice of meeting  since the 
                                       18
<PAGE>
Company's  Bylaws provide that notice of a stockholders'  meeting must ben given
not  less  than  ten or more  than 60  days  prior  to the  meeting  date.  If a
stockholder  wishes to  nominate a  candidate  for  director,  a written  notice
setting  forth  designated  information  must be  furnished  at least 20 days in
advance of an annual meeting or within 15 days after notice of a special meeting
is given.

     The  Certificate  provides  further that the  foregoing  provisions  of the
Certificate and Bylaws may be amended or repealed only with the affirmative vote
of at least  two-thirds of the shares entitled to vote,  unless the amendment is
recommended for stockholder approval by a majority of the Continuing  Directors.
These provisions  exceed the usual majority vote requirement of Delaware law and
are intended to prevent the holders of less than  two-thirds of the voting power
from  circumventing the foregoing terms by a amending the Certificate or Bylaws.
These  provisions,  however,  enable the holders of more than  one-third  of the
voting power to prevent amendments to the foregoing anti-takeover  provisions of
the Certificate or Bylaws even if they were favored by the holders of a majority
of the voting power.

                              PLAN OF DISTRIBUTION

     The Common  Shares  are being  offered  on behalf of the  Selling  Security
Holders,  and,  except for the exercise price of the Warrants,  the Company will
not receive any proceeds  from the  Offering.  The Common  Shares may be sold or
distributed from time to time by the Selling Security  Holders,  directly to one
or  more  purchasers  (including  pledgees)  or  through  brokers,   dealers  or
underwriters  who may act  solely  as  agents or may  acquire  Common  Shares as
principals,  at market prices  prevailing at the time of sale, at prices related
to such  prevailing  market prices,  at negotiated  prices,  or at fixed prices,
which may be changed.  The  distribution of the Common Shares may be effected in
one or more of the following methods: (i) ordinary brokers' transactions,  which
may include long or short sales (subject to certain limitations, as described in
the  Securities  Purchase  Agreement  (as  defined  below));  (ii)  transactions
involving  cross or block  trades or otherwise  on the Nasdaq  National  Market;
(iii)  purchases by brokers,  dealers or underwriters as principal and resale by
such purchasers for their own accounts pursuant to this Prospectus; (iv) "at the
market" to or through  market  makers or into an existing  market for the Common
Shares;  (v) in other ways not involving  market makers or  established  trading
markets,  including direct sales to purchasers or sales effected through agents;
(vi)  through  transactions  in  options,  swaps or other  derivatives  (whether
exchange-listed  or otherwise);  (vii) pursuant to Rule 144 under the Securities
Act;  or (viii)  any  combination  of the  foregoing,  or by any  other  legally
available  means except as may be limited by the Securities  Purchase  Agreement
with  respect  to the  Series B  Preferred  Shares  and  related  Warrants  (the
"Securities Purchase Agreement").  In addition,  the Selling Security Holders or
their  successors  in  interest  may  enter  into  hedging   transactions   with
broker-dealers  who may engage in short sales of Common  Shares in the course of
hedging the positions they assume with the Selling  Security Holders (subject to
certain  limitations,  as described in the Securities Purchase  Agreement).  The
Selling  Security  Holders or their  successors  in interest may also enter into
option or other  transactions with  broker-dealers  that require the delivery by
such  broker-dealers  of the Common  Shares,  which Common  Shares may be resold
thereafter pursuant to this Prospectus. Selling Security Holders will be subject
to  applicable  provisions  of  the  Exchange  Act  and  rules  and  regulations
thereunder,  including  without  limitation,  Regulation M, which provisions may
limit the timing of purchases  and sales of any of the Shares of Common Stock by
the Selling Security Holders.

     Brokers, dealers,  underwriters or agents participating in the distribution
of the  Common  Shares  as  agents  may  receive  compensation  in the  form  of
commissions,  discounts or concessions  from the Selling Security Holders and/or
purchasers of the Common Shares for whom such  broker-dealers  may act as agent,
or to whom  they may sell as  principal,  or both  (which  compensation  as to a
particular   broker-dealer   may  be  less  than  or  in  excess  of   customary
commissions).  The Selling  Security Holders and any  broker-dealers  who act in
connection  with the sale of the  Common  Shares  hereunder  may be deemed to be
"Underwriters"  within the meaning of the  Securities  Act, and any  commissions
they  receive  and  proceeds  of any sale of Common  Shares  may be deemed to be
underwriting  discounts and commissions  under the Securities  Act.  Neither the
Company nor any Selling  Security  Holder can  presently  estimate the amount of
such  compensation.  The Company knows of no existing  arrangements  between any
Selling Security Holder, any other stockholder,  broker, dealer,  underwriter or
agent relating to the sale or distribution of the Common Shares.
                                       19
<PAGE>
     The Company  will pay  substantially  all of the  expenses  incident to the
registration,  offering  and sale of the Common  Shares to the public other than
commissions or discounts of underwriters,  broker-dealers or agents. The Company
has also agreed to indemnify the Selling  Security  Holders and certain  related
persons against certain liabilities,  including liabilities under the Securities
Act.

                                 LEGAL OPINIONS

     The validity of the Common  Shares  offered  hereby will be passed upon for
the Company by Quarles & Brady, Phoenix, Arizona.

                                     EXPERTS

     The consolidated  financial statements of OrthoLogic Corp.  incorporated in
this Prospectus by reference from  OrthoLogic  Corp's Annual Report on Form 10-K
for the year ended December 31, 1997 have been audited by Deloitte & Touche LLP,
independent auditors, as set forth in their report, which is incorporated herein
by reference and have been so incorporated  herein by reference in reliance upon
the report of such firm given upon their  authority as experts in accounting and
auditing.
                                       20
<PAGE>
================================================================================
NO DEALER, SALES REPRESENTATIVE, OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY  REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS AND,
IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION  MUST NOT BE RELIED UPON AS
HAVING BEEN  AUTHORIZED BY THE COMPANY,  THE SELLING  SECURITY  HOLDERS,  OR ANY
OTHER PERSON.  THIS  PROSPECTUS  DOES NOT  CONSTITUTE AN OFFER OF ANY SECURITIES
OTHER THAN THOSE TO WHICH IT RELATES OR AN OFFER TO SELL, OR A  SOLICITATION  OF
AN  OFFER TO BUY,  TO ANY  PERSON  IN ANY  JURISDICTION  WHERE  SUCH AN OFFER OR
SOLICITATION WOULD BE UNLAWFUL.  NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY
SALE MADE HEREUNDER AND THEREUNDER SHALL,  UNDER ANY  CIRCUMSTANCES,  CREATE ANY
IMPLICATION  THAT THE  INFORMATION  CONTAINED  HEREIN IS  CORRECT  AS OF ANYTIME
SUBSEQUENT TO THE DATE HEREOF.

                  --------------------------------------------

                                TABLE OF CONTENTS

                                                                          PAGE
                                                                          ----
AVAILABLE INFORMATION.......................................................2
INFORMATION INCORPORATED BY REFERENCE.......................................2
DISCLOSURE REGARDING FORWARD LOOKING
   STATEMENTS...............................................................3
THE COMPANY.................................................................3
RISK FACTORS................................................................6
USE OF PROCEEDS............................................................14
SELLING SECURITY HOLDERS...................................................15
DESCRIPTION OF SECURITIES..................................................16
PLAN OF DISTRIBUTION.......................................................18
LEGAL OPINIONS.............................................................19
EXPERTS....................................................................19


                            10,342,440 COMMON SHARES


                                ORTHOLOGIC CORP.

                                ---------------

                                   PROSPECTUS

                                ---------------

   
                                SEPTEMBER 3, 1998
    
<PAGE>

                                    PART II.

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

     The following  are the costs and expenses in  connection  with the issuance
and distribution of the securities being registered,  all of which expenses will
be paid by the Company:


SEC Filing Fees ...................................................... $  9,916
Nasdaq Listing Fees ..................................................   17,500
Printing and Engraving Expense .......................................      500
Legal Fees ...........................................................   30,000
Accounting Fees ......................................................    3,000
Miscellaneous Fees and Expenses ......................................    1,000
                                                                       --------
                                        Total                          $ 61,916
                                                                       ========

     All costs and expenses  (other than the SEC Filing Fees and Nasdaq  Listing
Fees) are estimates.

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

     Section  145(a)  of the  Delaware  General  Corporation  Law  (the  "DGCL")
provides  that a Delaware  corporation  may indemnify any person who was or is a
party  or is  threatened  to be  made a  party  to any  threatened,  pending  or
completed action, suit or proceeding, whether civil, criminal, administrative or
investigative  (other than an action by or in the right of the  corporation)  by
reason of the fact that he is or was a director,  officer,  employee or agent of
the  corporation  or is or was  serving at the request of the  corporation  as a
director,  officer,  employee  or agent of another  corporation  or  enterprise,
against expenses,  judgments,  fines and amounts paid in settlement actually and
reasonably incurred by him in connection with such action, suit or proceeding if
he acted in good faith and in a manner he  reasonably  believed  to be in or not
opposed to the best  interests  of the  corporation,  and,  with  respect to any
criminal action or proceeding, had no cause to believe his conduct was unlawful.

     Section  145(b)  provides  that a Delaware  corporation  may  indemnify any
person  who  was or is a  party  or is  threatened  to be  made a  party  to any
threatened,  pending  or  completed  action  or suit by or in the  right  of the
corporation  to procure a judgment  in its favor by reason of the fact that such
person acted in any of the capacities set forth above, against expenses actually
and reasonably  incurred by him in connection  with the defense or settlement of
such  action  or  suit if he  acted  under  similar  standards,  except  that no
indemnification may be made in respect to any claim, issue or matter as to which
such person shall have been adjudged to be liable to the corporation  unless and
only to the extent that the court in which such action or suit was brought shall
determine that despite the adjudication of liability,  such person is fairly and
reasonably  entitled to be  indemnified  for such expenses which the court shall
deem proper.

     Section 145 further  provides that to the extent a director or officer of a
corporation has been successful in the defense of any action, suit or proceeding
referred to in subsections (a) and (b) or in the defense or any claim,  issue or
matter therein, he shall be indemnified against expenses actually and reasonably
incurred by him in connection  therewith;  that indemnification  provided for by
Section  145  shall  not be deemed  exclusive  of any other  rights to which the
indemnified  party may be entitled;  and that the  corporation  may purchase and
maintain insurance on behalf of a director or officer of the corporation against
any liability asserted against him or incurred by him in any such capacity

                                      II-1
<PAGE>
or arising out of his status as such,  whether or not the corporation would have
the power to indemnify him against such liabilities under such Section 145.

     Section  102(b)(7) of the DGCL provides that a corporation  in its original
certificate  of  incorporation  or an  amendment  thereto  validly  approved  by
stockholders  may eliminate or limit personal  liability of members of its board
of directors  or governing  body for  violations  of a director's  duty of care.
However,  no such  provision  may eliminate or limit the liability of a director
for  breaching  his duty of  loyalty,  acting or failing  to act in good  faith,
engaging in  intentional  misconduct  or  knowingly  violating a law,  paying an
unlawful  dividend or approving an unlawful  stock  repurchase,  or obtaining an
improper  personal  benefit.  A  provision  of this  type has no  effect  on the
availability of equitable remedies, such as injunction or rescission, for breach
of fiduciary duty. The Company's Certificate contains such a provision.

     The Company's Bylaws provide that the Company shall indemnify  officers and
directors to the full extent  permitted by and in the manner  permissible  under
the laws of the State of Delaware.

     The Company has a directors' and officers'  liability insurance policy with
a policy limit of $2,000,000 and coverage for, among other things, liability for
violations of federal and state securities laws.

     The Company has entered into  indemnity  agreements  with its directors and
officers for  indemnification  of and advance of expenses to such persons to the
full extent  permitted  by law. The Company  intends to execute  such  indemnity
agreements with its future officers and directors.

     The holders of the Company's  capital stock or warrants to purchase capital
stock who have contractual registration rights are required to be indemnified by
the Company against losses,  claims,  damages or liabilities  arising out of any
untrue  statement  of a material  fact or  omission  thereof  in a  Registration
Statement under the Securities  Act. The Company's  obligation to indemnify such
holders  includes the  officers,  directors  and partners of such  holders.  The
Company  shall not be liable for any such  indemnity to the extent that any such
loss,  claim,  damage or  liability  arises  out of or is based  upon any untrue
statement or material  omission in reliance upon and in conformity  with written
information  furnished  by such  person  to the  Company,  specifically  for use
therein.

     The  indemnification  provided as set forth above is not  exclusive  of any
rights to which a director  or  officer  of the  Company  may be  entitled.  The
general effect of the forgoing  provisions may be to reduce the circumstances in
which a director or officer may be required to bear the economic  burdens of the
forgoing liabilities and expenses.

     The Company has agreed to indemnify the Selling Security Holders, including
its officers,  directors,  or controlling persons,  against certain liabilities,
including liabilities under the Act.

     Insofar as  indemnification  for  liabilities  arising under the Act may be
permitted to directors, officers, or persons controlling the registrant pursuant
to the foregoing  provisions,  the  registrant  has been  informed  that, in the
opinion of the  Commission  such  indemnification  is against  public  policy as
expressed in the Act and is therefore unenforceable.

ITEM 16. EXHIBITS.

     3.1  Certificate  of  Designation  (incorporated  herein  by  reference  to
          Exhibit 3.1 to the Company's  Current Report on Form 8-K filed on July
          13, 1998)

     4.1  Form of Warrant  (incorporated  herein by  reference to Exhibit 4.1 to
          the Company's Current Report on Form 8-K filed on July 13, 1998)

     4.2  Registration  Rights  Agreement  (incorporated  herein by reference to
          Exhibit 4.1 to the Company's  Current Report on Form 8-K filed on July
          13, 1998)

                                      II-2
<PAGE>
   
     5.1  Opinion of Quarles & Brady
    

     10.1 Securities  Purchase  Agreement  (incorporated  herein by reference to
          Exhibit 10.1 to the Company's Current Report on Form 8-K filed on July
          13, 1998)
   
     23.1 Consent of Deloitte & Touche LLP (previously filed).
    

     23.2 Consent of Quarles & Brady (contained in Exhibit 5.1)
   
     24.1 Power of Attorney (previously filed)
    

ITEM 17. UNDERTAKINGS.

     The  undersigned  registrant  hereby  undertakes:  (1) to file,  during any
period in which  offers or sales are being made, a  post-effective  amendment to
this registration  statement,  (i) to include any prospectus required by section
10(a)(3) of the  Securities  Act of 1933,  (ii) to reflect in the prospectus any
facts or events arising after the effective date of the  registration  statement
(or the most recent post-effective amendment thereof) which,  individually or in
the aggregate,  represent a fundamental  change in the  information set forth in
the  registration  statement,  (iii) to include any  material  information  with
respect to the plan of distribution not previously disclosed in the registration
statement  or any  material  change  to  such  information  in the  registration
statement;  (2) that,  for the purpose of  determining  any liability  under the
Securities Act of 1933, each such post-effective amendment shall be deemed to be
a new registration statement relating to the securities offered therein, and the
offering of such  securities at that time shall be deemed to be the initial BONA
FIDE  offering  thereof;   (3)  to  remove  from  registration  by  means  of  a
post-effective  amendment any of the securities  being  registered  which remain
unsold at the termination of the offering.

     The  undersigned   Registrant  hereby  undertakes  that,  for  purposes  of
determining any liability under the Act, each filing of the Registrant's  Annual
Report pursuant to Section 13(a) or Section 15(d) of the Securities  Exchange of
1934 (and,  where  applicable,  each filing of an employee benefit plan's annual
report  pursuant to Section  15(d) of the  Securities  Exchange Act of 1934,  as
amended  (the  "Exchange   Act")  that  is  incorporated  by  reference  in  the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

     Insofar as  indemnification  for  liabilities  arising under the Act may be
permitted to  directors,  officers  and  controlling  persons of the  Registrant
pursuant to the foregoing  provisions,  or otherwise,  the  Registrant  has been
advised  that in the opinion of the  Securities  and  Exchange  Commission  such
indemnification  is  against  public  policy  as  expressed  in the  Act and is,
therefore,  unenforceable. In the event that a claim for indemnification against
such liabilities  (other than the payment by the Registrant of expenses incurred
or paid by a director,  officer or  controlling  person of the Registrant in the
successful  defense of any  action,  suit or  proceeding)  is  asserted  by such
director,  officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction the question whether such  indemnification  by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
                                      II-3
<PAGE>
                                   SIGNATURES
   
     Pursuant to the  requirements of the Securities Act of 1933, the Registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for filing on Form S-3 and has duly caused this  Amendment  to the
Registration Statement to be signed on its behalf by the undersigned,  thereunto
duly authorized, in the City of Tempe, State of Arizona, on September 3, 1998.
    


                                        ORTHOLOGIC CORP.


                                        By /s/ Thomas R. Trotter
                                          -------------------------------------
                                          Thomas R. Trotter
                                          Chief  Executive Officer and President
   
     Pursuant to the  requirements of the Securities Act of 1933, this Amendment
to the Registration  Statement has been signed below by the following persons in
the capacities and on the date indicated.
    
     Signature                           Title                       Date
     ---------                           -----                       ----

   
/s/ Thomas R. Trotter         President, Chief Executive      September 3, 1998
- ----------------------------  Officer and Director                             
Thomas R. Trotter
                              
/s/ Stuart H. Altman*
- ----------------------------  Director                        September 3, 1998
Stuart H. Altman, Ph.D.       

/s/ Fredric J. Feldman*
- ----------------------------  Director                        September 3, 1998
Fredric J. Feldman, Ph.D.     

/s/ John M. Holliman, III*
- ----------------------------  Director                        September 3, 1998
John M. Holliman, III         

/s/ Elwood D. Howse, Jr.*
- ----------------------------  Director                        September 3, 1998
Elwood D. Howse, Jr.          

/s/ Augustus A. White, III*
- ----------------------------  Director                        September 3, 1998
Augustus A. White, III, M.D.  

/s/ Terry D. Meier            Senior Vice President and       September 3, 1998
- ----------------------------  Chief Financial Officer                          
Terry D. Meier                

* By /s/ Thomas R. Trotter
     -----------------------------
     Attorney-in-fact, under Power 
     of Attorney, previously filed.
    
                                      II-4

                                                                     Exhibit 5.1
September 3, 1998

Re:  Issuance of Common Shares

Gentlemen:

     You  have  requested  our  opinion  in  connection  with  the  Registration
Statement on Form S-3 (the  "Registration  Statement") to be filed by OrthoLogic
Corp., a Delaware corporation (the "Company"), under the Securities Act of 1933,
as amended,  relating to the  registration  of up to an aggregate of  10,342,440
shares of the Company's Common Stock, $.0005 par value per share (the "Shares"),
that may be issued upon the  conversion  of the  Company's  Series B Convertible
Preferred  Stock (the "Series B Preferred  Shares") and upon the exercise of the
Company's outstanding warrants issued as of July 13, 1998 (the "Warrants").

     In  rendering  the opinion set forth  herein,  we have  limited our factual
inquiry to (i) reliance on a certificate  of the Secretary of the Company,  (ii)
reliance  on  the  facts  and  representations  contained  in  the  Registration
Statement,  including,  without limitation,  those relating to the number of the
Company's  Common  Shares,  $.0005  par value per share,  which are  authorized,
issued or reserved for issuance  upon the  conversion  of the Series B Preferred
Shares or the  exercise of the  Warrants,  and (iii) such  documents,  corporate
records and other  instruments  as we have deemed  necessary or appropriate as a
basis for the opinion expressed below.

     In our examination,  we have assumed the genuineness of all signatures, the
authenticity  of all documents  submitted to us as originals,  the conformity to
original documents of all documents  submitted to us as certified or photostatic
copies,  and the authenticity of the originals of such copies.  In rendering the
opinion expressed below, we have assumed that the Shares will conform,  and that
the Series B  Preferred  Shares and the  Warrants do  conform,  in all  material
respects, to the description thereof set forth in the Registration Statement.

     Based  upon the  foregoing,  and  subject to the  qualifications  set forth
herein, we are of the opinion that, when the following events have occurred:

          (a)  the  Registration   Statement  has  become  effective  under  the
               Securities Act of 1933, as amended;

          (b)  the  registration and delivery of the certificate or certificates
               evidencing the Shares have occurred; and

          (c)  the Shares have been issued and sold upon the  conversion  of the
               Series B Preferred Shares or the exercise of the Warrants, as the
               case  may  be,  in  the  manner  specified  in  the  Registration
               Statement,   and  the  Company  has  received  the  consideration
               therefor as described in the Registration Statement;

then the Shares will be validly issued, fully paid and nonassessable.

     The foregoing  opinion is limited to the Delaware  General  Corporation Law
(without  giving  effect to any  conflict  of law  principles),  and we have not
considered, and express no opinion on, the laws of any other jurisdiction.  This
opinion  is based on the laws in effect  and facts in  existence  on the date of
this letter,  and we assume no obligation  to revise or  supplement  this letter
should the law or facts, or both, change.

     This  opinion is intended  solely for the use of the Company in  connection
with the  registration  of the  Shares.  It may not be relied  upon by any other
person or for any other purpose or  reproduced or filed  publicly by any person,
without  the  written  consent of Quarles & Brady;  provided,  however,  that we
hereby consent to the filing of this opinion as Exhibit 5.1 to the  Registration
Statement and to the references to Quarles & Brady contained in the Registration
Statement.

                                Very truly yours,

   
                                /s/ QUARLES & BRADY
    


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