AEQUITRON MEDICAL INC
8-K, 1995-06-16
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                      Securities and Exchange Act of 1934

        Date of Report (Date of earliest event reported) - June 1, 1995


                            AEQUITRON MEDICAL, INC.
             (Exact name of registrant as specified in its charter)


         Minnesota                 0-11571                     41-1359703
(State or other Jurisdiction    (Commission File              (IRS Employer
      of incorporation)              Number)               Identification No.)




                        14800 Twenty Eighth Avenue North
                             Minneapolis, MN 55447
             (Address of principal executive offices and zip code)



                                 (612) 557-9200
              (Registrant's telephone number, including area code)



                            AEQUITRON MEDICAL, INC.
         (Former name or former address, if changed since last report)





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Item 2.  Acquisition or Disposition of Assets.

         On June 1, 1995,  Aequitron Medical,  Inc. (the "Company") acquired the
sleep diagnostic business from CNS, Inc. pursuant to an Asset Purchase Agreement
dated May 8, 1995. The assets  acquired  include all rights to CNS, Inc.'s sleep
diagnostic  products,  all  applicable  patents  and a product  currently  under
development.  The acquisition  involved the combination of a payment of cash and
short-term  debt,  totalling  $5,595,610.   A  portion  of  the  purchase  price
($595,610) was calculating upon closing as an amount equal to 85% of certain net
receivables of the purchased business.  To finance the acquisition,  the Company
obtained  a  $2,500,000  term loan  from  Norwest  Bank  Minnesota,  N.A.,  used
$2,500,000 in cash and presented CNS, Inc. with a promissory  note in the amount
of $595,610.

         As part of the acquisition,  CNS Chairman and Chief Executive  Officer,
Daniel E. Cohen, M.D. entered into a Non-competition Agreement with the Company.
Pursuant  to such  agreement,  Dr.  Cohen has  agreed  not to  compete  with the
Company's  newly  acquired  sleep  diagnostic  product  business,   directly  or
indirectly,  generally  for a period of seven years,  or such lesser time if the
Company  discontinues  the  manufacture  and sale of sleep  disorder  diagnostic
equipment.


Item 5.  Other Events.

         Simultaneously  with the signing of the Asset Purchase  Agreement,  the
Company  entered into a  Non-exclusive  Distributorship  Agreement  dated May 8,
1995.  Pursuant  to such  Agreement,  the  Company  has the right to market  and
distribute CNS,  Inc.'s Breathe Right nasal strips to  professional  health care
markets,   including  hospitals,  sleep  labs,  physician  groups  and  homecare
providers.  The agreement  will continue for a term of one year,  with automatic
renewals for one-year periods unless one party provides notice of nonrenewal.


Item 7.  Financial Statements; Pro Forma Financial Information and Exhibits.

         (a)      Financial statements of business acquired.

                  It would be  impracticable  for the  Registrant to provide the
                  financial   statements  of  the  CNS,  Inc.  sleep  diagnostic
                  business  for  the  periods  specified  in Rule  3-  05(b)  of
                  Regulation  S-X at the time of filing  of this  Form 8-K.  The
                  Registrant will file the required financial statements as soon
                  as  practicable,  but not later than sixty days after the date
                  on which this Form 8-K must be filed.

         (b)      Pro forma financial information.

               It would be  impracticable  for the Registrant to provide the pro
               forma financial  information required by Article 11 of Regulation
               S-X at the time of filing this Form 8-K. The Registrant will file
               the  required  pro  forma   financial   information  as  soon  as
               practicable,  but not later  than  sixty  days  after the date on
               which this Form 8-K must be filed.


         (c)      Exhibits.

          2.1  Asset Purchase Agreement dated May 8, 1995 by and among Aequitron
               Medical,  Inc. and CNS, Inc. Upon the request of the  Commission,
               the  Company  agrees  to  furnish  a  copy  of the  exhibits  and
               schedules to the Asset Purchase Agreement.

          2.2  Non-Competition  Agreement  dated May 8, 1995 by and  between Dan
               Cohen and Aequitron Medical, Inc.

          2.3  Term Loan and Credit  Agreement dated June 1, 1995 by and between
               Norwest Bank Minnesota, N. A. and Aequitron Medical, Inc.

          2.4  Term Note from Aequitron Medical, Inc. to Norwest Bank Minnesota,
               N.A. dated June 1, 1995 in the amount of $2,500,000.

          2.5  Security Agreement dated June 1, 1995 for Norwest Bank Minnesota,
               N.A. by Aequitron Medical, Inc.




<PAGE>



                                   SIGNATURES

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned duly authorized.


DATED:  June 15, 1995                   AEQUITRON MEDICAL, INC.



                                        By: /s/ James B. Hickey, Jr.
                                        James B. Hickey, Jr.
                                        President and Chief Executive Officer





<PAGE>


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                           EXHIBIT INDEX TO FORM 8-K



Date of Report:                                            Commission File No.:
June 1, 1995                                                           0-11571



                            AEQUITRON MEDICAL, INC.


Exhibit

2.1  Asset Purchase  Agreement dated May 8, 1995 by and among Aequitron Medical,
     Inc. and CNS, Inc. Upon the request of the  Commission,  the Company agrees
     to  furnish a copy of the  exhibits  and  schedules  to the Asset  Purchase
     Agreement.

2.2  Non-Competition  Agreement  dated May 8, 1995 by and  between Dan Cohen and
     Aequitron Medical, Inc.

2.3  Term Loan and Credit  Agreement  dated June 1, 1995 by and between  Norwest
     Bank Minnesota, N. A. and Aequitron Medical, Inc.

2.4  Term Note from  Aequitron  Medical,  Inc. to Norwest Bank  Minnesota,  N.A.
     dated June 1, 1995 in the amount of $2,500,000

2.5  Security  Agreement dated June 1, 1995 for Norwest Bank Minnesota,  N.A. by
     Aequitron Medical, Inc.




<PAGE>

                            ASSET PURCHASE AGREEMENT


             AGREEMENT  made  as of the  8th  day of  May,  1995,  by and  among
AEQUITRON MEDICAL,  INC., Minnesota corporation (the "Buyer"),  and CNS, INC., a
Delaware corporation (the "Seller").

             WHEREAS,  the Seller owns and  desires to sell and  transfer to the
Buyer, and the Buyer desires to purchase and acquire from the Seller, the assets
of the  Seller  used by the Seller in the  business  ("Purchased  Business")  of
manufacturing,  marketing,  distributing and selling  equipment for diagnosis of
sleep  disorders  (the  "Equipment")  upon the terms,  conditions and provisions
hereinafter set forth.

             NOW, THEREFORE, the parties hereto agree as follows:

                                   ARTICLE I

                          PURCHASE AND SALE OF ASSETS

             1.1 Asset  Purchase.  Subject to the terms and conditions set forth
herein,  the Buyer agrees to purchase from the Seller,  and the Seller agrees to
sell, transfer, assign, convey and deliver to the Buyer, on the Closing Date (as
defined  below),  all  of  Seller's  right,  title  and  interest  in and to the
following  assets of the Seller  which are used solely in the  operation  of the
Purchased Business ("Purchased Assets"):

                      (a) Material  items of  inventory of all kinds,  including
             raw materials,  work-in-process,  if any, finished goods, packaging
             and supplies, including the inventories listed on Schedule 1.1(a).

                      (b) The machinery, tools, dies, molds, and other equipment
             listed on Schedule 1.1(b) hereto.

                      (c) All registered and  unregistered  domestic and foreign
             patents, all trademarks,  tradenames, copyrights, service marks and
             applications  therefor  and  510(k)s,  issued or  pending,  (to the
             extent  transferable)  which are listed on Schedule 1.1(c) together
             with all  related  rights  and  associated  goodwill  ("Proprietary
             Rights").

                      (d) All  rights of the  Seller  under the  unfilled  sales
             orders and any other contracts and  commitments  listed on Schedule
             1.1(d) (the "Assumed Contracts").

                      (e) All books,  records and  correspondence  pertaining to
             inventories,  accounts receivable,  equipment, intangible property,
             regulatory  matters,  manufacturing,  quality  control  and quality
             assurance documentation,  all forms and correspondence with the FDA
             on marketing  authority and  inspection  issues,  customers,  sales
             prospects and


<PAGE>



             suppliers  (including  all  customer,  sales  prospect and supplier
             lists)  used  in  connection  with  the  Purchased   Business  (the
             "Records").

                      (f) All technology, know-how and other intangible property
             related  to  the  Purchased  Assets  or  the  Purchased   Business,
             including, without limitation,  tooling design, blue prints, repair
             history,   specifications,   drawings,   bills  of   material   and
             engineering documentation.

                      (g)  All  advertising   and  promotional   literature  and
             materials, including catalogs, brochures, pamphlets and art work.

                      (h)  Net receivables as described in 1.2 below.

The Seller  hereby  agrees to deliver to the Buyer  possession  of the Purchased
Assets on the Closing Date.

             1.2  Consideration for Assets. In consideration of, and in exchange
for, the sale of the assets and property  described in Section 1.1 above,  Buyer
shall assume  certain  liabilities as set forth in Section 1.3,  below,  and, in
addition,  shall pay the "Purchase  Price" to Seller at Closing:  (1) the sum of
Five Million  Dollars  ($5,000,000)  cash;  and (2) the remainder by delivery to
Seller  of  Buyer's  promissory  note in the form and on the terms  attached  as
Exhibit A in a face amount equal to 85% of the net  receivables of the Purchased
Business (net of $105,274 of excluded receivables identified on Schedule 1.2) as
valued at the Closing Date ("Promissory  Note"). If receivables in excess of 15%
of the net  receivables of the Purchased  Business  remain  uncollected 151 days
after the date of the Promissory Note, Seller will reimburse Buyer in cash in an
amount  equal to 50% of such  uncollected  net  receivables  up to a maximum  of
$50,000.

             The Purchase Price shall be allocated among the Purchased Assets in
the manner  determined by Buyer.  Seller and Purchaser shall each file Form 8594
(Asset Acquisition Statement under Section 1060) on a timely basis reporting the
allocation  of the  Purchase  Price.  Seller  and  Purchaser  shall not take any
position on their  respective  income tax returns that is inconsistent  with the
allocation of the Purchase Price as determined by Buyer.

             1.3      Liabilities of Seller.

             Buyer shall assume no liabilities  of Seller,  fixed or contingent,
known or  unknown,  determined  or  undetermined,  due or not yet due  except as
specifically set forth on Schedule 1.3 hereto.

             On the  Closing  Date,  Buyer  agrees to assume  and to  perform in
accordance with their respective terms the obligations of the Purchased Business
listed below ("Assumed Liabilities").



<PAGE>



                      (a) "Assumed  Contracts"  described herein or listed on
             Schedule 1.1(d) hereof.

                      (b) Any warranty  obligations  for Equipment sold prior to
             Closing  Date.  At Closing,  Seller  shall pay cash to Buyer in the
             amount of Seller's accrual for warranty  obligations  determined as
             of the  Closing  Date,  the  amount  of which  shall be  determined
             consistent with past accounting practices of Seller.

                      (c)  Maintenance  contract  obligations  of  Seller on the
             Purchased  Assets,  but at Closing Seller shall reimburse Buyer for
             one-half the amount of the maintenance  contract  obligations  thus
             assumed by Buyer.

                      (d) Products  liability claims arising from Equipment sold
             by Seller  prior to the  Closing  Date,  if and to the extent  that
             Buyer has modified, upgraded or updated such Equipment, or serviced
             such  Equipment  in a way  found to have  caused  injury to a third
             party or to the extent Buyer failed to service,  update, upgrade or
             properly  modify  such  equipment  pursuant  to order of a court or
             governmental  agency  or  pursuant  to  a  maintenance  or  service
             obligation.

                      (e) Any recall or  modification  obligations  imposed by a
             governmental agency or by maintenance or service obligations.

                      (f) Post-closing  training  obligations in connection with
             Equipment  sold before  Closing,  for which  Seller will  reimburse
             Buyer for its expenses when and as accrued.

             1.4      Closing; Delivery of Documents.

                      (a) The closing of the  transactions  contemplated by this
             Agreement  (the  "Closing")  shall  take place on June 1, 1995 at a
             mutually  agreeable place (the "Closing Date"),  or such other date
             as agreed by the parties.

                      (b) On the Closing Date, Seller shall deliver to
             Buyer the following:

                              (i) Patent Assignments in recordable form
                      transferring the patents and patent applications
                      listed on Schedule 1.1(c);

                              (ii) Trademark Assignments in recordable form
                      transferring the trademarks listed on Schedule
                      1.1(c);

                              (iii) an opinion of Lindquist & Vennum P.L.L.P.,
                      Seller's counsel, in form and substance satisfactory
                      to Buyer; and



<PAGE>



                              (iv) a Bill of  Sale  transferring  the  Purchased
                      Assets to Buyer free and clear of all encumbrances.

                              (v)  the cash amounts referenced in Section
                      1.3(b) and (c) above.

                      (c) On the Closing Date, Buyer shall deliver to
             Seller the following:

                              (i) the cash portion of the Purchase Price; and

                              (ii) the Promissory Note; and

                              (iii) an  opinion  of Best &  Flanagan,  P.L.L.P.,
                      Buyer's  counsel,  in form and substance  satisfactory  to
                      Seller.

             1.5  Conditions  to  Closing.  The  obligation  of  each  party  to
consummate  the  transactions  contemplated  by this Agreement is subject to the
satisfaction by the other party of the following conditions:

                      (a) The  representations and warranties of the other party
             shall be true and correct in all  material  respects at the Closing
             as though then made;

                      (b) The other party shall have  performed  and complied in
             all material respects with all covenants and agreements required to
             be performed and complied with by it under this Agreement  prior to
             the Closing;

                      (c) No action  or  proceeding  before  any court or agency
             will be pending or  threatened  wherein  an  unfavorable  judgment,
             decree or order could prevent the carrying out of this Agreement or
             any of the  transactions  contemplated  hereby  or have an  adverse
             effect on the Purchased Assets or the Purchased Business; and

                      (d) The other party shall have delivered all documents 
             required to be delivered by it under Section 1.4;

                      (e)  The  form   and   substance   of  all   certificates,
             instruments,  opinions and other  documents  delivered on or before
             the  Closing   pursuant  to  this  Agreement  shall  be  reasonably
             satisfactory to each party and its counsel; and

                      (f) During the period from the date of this  Agreement  to
             the  Closing  (i) there  shall not have been any  material  adverse
             change in the condition or the results of operation of the Purchase
             Assets  or the  Purchased  Business  (ii)  nor  shall  Seller  have
             sustained  any  material  loss or damage to the  Purchased  Assets,
             whether or not insured,


<PAGE>



             either of which would have a material adverse effect on the ability
             of Buyer to operate the Purchased Business.

Either  party  may waive any  condition  to its  obligation  to  consummate  the
transactions contemplated by this Agreement and agree to proceed with Closing.

                                   ARTICLE II

                   REPRESENTATIONS, WARRANTIES AND AGREEMENTS
                                 OF THE SELLER

             As an  inducement  to the Buyer to enter into this  Agreement,  the
Seller hereby represents and warrants to, and agrees with, the Buyer as follows:

             2.1  Organization  and Corporate Power. The Seller is a corporation
duly  organized,  validly  existing and in good  standing  under the laws of the
State of Delaware,  with full power and  authority to enter into this  Agreement
and perform its obligations hereunder.

             2.2 Authorization.  The execution, delivery and performance of this
Agreement by Seller and the consummation of the transactions contemplated hereby
have been duly and validly authorized by all requisite corporate action and will
not create a lien or  encumbrance  on the  Purchased  Assets or conflict with or
result in a default under any material  commitment,  agreement or law applicable
to Seller.  Approval of Seller's  shareholders of the transactions  contemplated
hereby is not required.  Other than possible consents required under the Assumed
Contracts, no material consent or approval of or filing or registration with any
third  party  is  required  in  connection  with  the  execution,   delivery  or
performance of this Agreement by Seller. This Agreement  constitutes a valid and
binding obligation of the Seller, enforceable in accordance with its terms.

             2.3 Title and  Condition  of  Properties.  At the Closing  Date the
Seller will own the Purchased Assets good and marketable  title,  free and clear
of all liens, charges,  purchase rights, claims,  pledges,  mortgages,  security
interests,  encumbrances,  or other limitations or restrictions whatsoever.  The
Seller's machinery and equipment,  and other tangible personal property included
in the Purchased Assets are in reasonable operating condition and repair, normal
wear and tear excepted  (except for  inventory,  the condition of which shall be
governed by Section 2.5).

             2.4 Tangible Personal Property.  Schedule 1.1(b) lists all material
manufacturing machinery and equipment used to manufacture the Equipment,  except
for Seller's manufacturing space at 1250 Park Road, Chanhassen,  Minnesota 55317
and fixtures related thereto.



<PAGE>



          2.5  Inventory.  The  inventory  shall on the  Closing  Date be in the
condition as inspected by Buyer. 

          2.6 Proprietary Rights.

                      2.6.1 The Seller's use of the Proprietary Rights does not,
             to Seller's knowledge,  violate or constitute the  misappropriation
             or the  misuse  of any  intellectual  property  rights of any third
             party.  Schedule  1.1(c)  attached  hereto sets forth a list of all
             Proprietary  Rights,  other than trade  secrets and  know-how.  The
             Seller has not granted,  conveyed,  licensed or assigned any rights
             under the Proprietary Rights and to Seller's knowledge there are no
             other parties using the Proprietary Rights.

                      2.6.2 To the best  knowledge  of Seller,  all  Proprietary
             Rights are valid and enforceable,  and, as to patents,  there exist
             no facts or prior  art  which  would  render  any of those  patents
             invalid or unenforceable.

                      2.6.3  Seller  has  received  no  notice  that  any of the
             features,  components or configurations (whether developed or under
             development)  of the  products  included  in the  Purchased  Assets
             infringe,  nor has any claim been made that they may infringe,  the
             intellectual  property  rights of any  other  party.  Further,  the
             Seller has not been sued or charged  orally or in writing  with, or
             been a defendant in any claim, suit, action or proceeding  relating
             to the Purchased Business which involves a claim of infringement of
             any patents, trademarks, service marks or copyrights, or a claim of
             unfair  competition  or   misappropriation   of  trade  secrets  or
             confidential information.

                      2.6.4  None of the  Proprietary  Rights is  subject to any
             outstanding  order,  judgment,  decree,  stipulation  or  agreement
             restricting  the use  thereof  by the  Seller  or  restricting  the
             licensing thereby by the Seller to any person.

                      2.6.5  Apnea  Screener.   The  FDA  has  not  granted  the
             authority  sought by Seller in the 510(k)  application  filed by it
             with the FDA for the apnea screener  ("Sleep Test") owned by Seller
             and made part of the Purchased  Assets.  Prior to and following the
             Closing Date,  Seller agrees to cooperate  with Buyer in seeking to
             cause the FDA to grant such 510(k)  application with respect to the
             Sleep Test.

             2.7  Litigation.  Except as set forth on Schedule 2.7, there are no
actions,  suits or  proceedings,  pending or, to the best  knowledge  of Seller,
threatened or claimed against or affecting the Seller which relate in any manner
to the  Purchased  Business  at law or in equity,  or before or by any  federal,
state,  municipal or other  governmental  agency.  The Seller is not presently a
party to or subject to or bound by any agreement or


<PAGE>



any judgment, order, writ, injunction or decree of any court or any governmental
body that  contains  any  provision  that would or could  operate to prevent the
carrying out of this Agreement or the transactions contemplated hereby.

             2.8 Contracts.  Other than the Assumed  Contracts,  Seller is not a
party to or otherwise  bound by any  material  agreement,  contract,  indenture,
instrument or lease with respect to the Purchased Business,  except as set forth
on Schedule 2.8.

             2.9  Insurance.  Seller  maintains  products'  liability  and other
insurance as described in Schedule 2.9.  Following the Closing Date,  Buyer will
provide  its own  insurance  and  shall,  consistent  with  the  indemnification
provisions in 4.2 and 4.3 below, hold Buyer harmless from any products liability
or other claim in connection with the Equipment,  the Purchased  Business or the
Purchased Assets, arising from Equipment sold before the Closing Date, except as
provided in Section 1.3(d) above.

             2.10  Medical  Device  Regulation.  The Seller has  applied  for or
obtained all applicable material licenses, registrations,  approvals, clearances
and  authorizations  required by local,  state and Federal agencies,  foreign or
domestic,  regulating  the safety,  effectiveness  and market  clearance  of the
Equipment.  The Seller has had no recalls  or FDA  product  actions,  and has no
ongoing clinical studies. Seller has received no notice, oral or written, of any
adverse findings of the FDA in its inspections,  except for certain non-material
facility-related items.

             2.11 Product  Performance.  The Seller has made  available to Buyer
all supportive materials and data substantiating representations made to the FDA
in its Section 510(k)  pre-market  notifications,  including any and all testing
data in the  possession  or under the  control  of the  Seller,  whether  or not
submitted to the FDA. The Seller  further  represents  and warrants  that to the
best of Seller's  knowledge the Seller's products perform in compliance with the
representations   and   performance   specifications   as   contained   in  said
notifications and the Seller's product  literature,  and that sales thereof,  if
any, have been made in compliance with the rules and regulations of the FDA, and
in  compliance  with  labeling  approved  by the FDA and/or  submitted  with the
products.  The FDA authorizations  and notifications  described in Schedule 2.11
attached  hereto  represent  to the  best of  Seller's  knowledge  the  only FDA
authorizations and notifications  necessary to permit the sale and use by Seller
in the United  States of the Devices.  Each 510(k) listed in Schedule 2.11 lists
the corresponding part or product covered by such 510(k).

             2.12  Employee Plans.  A complete list of all employee
benefit plans covering employees of the Purchased Business is set
forth on Schedule 2.12.



<PAGE>



             2.13  Defaults.  There has not to Seller's  knowledge  occurred any
default by Seller or, assuming all required consents to assignment are obtained,
any event which will become a default,  nor,  to Seller's  knowledge,  has there
occurred  any default by any third  party which will become a default  under any
Assumed Contract or any judgment,  order or commitment  related to the Purchased
Assets.

             2.14 Financial  Statements.  Seller's financial  statements for the
fiscal years ending  December 31, 1993 and 1994 and its interim  statements  for
the period  ending  March 31, 1995 (and its 1994 monthly  financial  statements,
which portray the fact that the majority of revenues of the  Purchased  Business
have historically  occurred in the last months of the Company's fiscal quarters)
are attached as Schedule 2.14 hereto (the "Financial Statements").  The 1993 and
1994  year-end  statements  have been  prepared  in  accordance  with  generally
accepted  accounting  principles  consistently  applied  throughout  the periods
covered  thereby,  and the  Financial  Statements  fairly  present the financial
position of Seller as of the  respective  dates of the balance  sheets  included
therein, and the results of operations for the respective periods indicated.

             2.15 Absence of Undisclosed Liabilities.  To the best knowledge and
belief of Seller after due diligence, except to the extent reflected or reserved
against in Seller's balance sheet or as otherwise noted on Schedule 2.15 hereto,
Seller as of March 31,  1995,  and as of the Closing  Date,  had or will have no
liabilities  which would prevent title to the Purchased Assets from transferring
to Buyer.

             2.16 No Violation.  Seller is not subject to or obligated under its
certificate  of  incorporation,  its  bylaws,  any  applicable  law,  or rule or
regulation of any governmental authority, or any agreement or instrument, or any
license,  franchise  or permit,  or subject to any order,  writ,  injunction  or
decree,  which  would be breached  or  violated  by its  execution,  delivery or
performance of this Agreement.

             2.17 Taxes.  All tax returns  required by law to be filed,  and all
taxes  required to be paid or withheld  and paid over by Seller  which relate to
the Purchased  Assets,  the non-filing or non-payment of which could result in a
lien on or  encumbrance  against  the  Purchased  Assets,  have been fully paid,
withheld  and paid over,  and filed,  as  appropriate.  Seller does not have any
reason to believe  that a claim for such taxes for prior  years in any  material
amount may be  asserted  by any  taxing  body.  Specifically,  but not by way of
limitation,  there are no tax liens  filed or  outstanding  for unpaid  sales or
payroll  withholding taxes at the office of the Minnesota  Secretary of State or
any Minnesota County Recorder's  office.  The federal and state TIN of Seller is
41-1580270 and 3940631,  respectively,  and Seller's  Minnesota sales tax permit
number is 3940631.



<PAGE>



             2.18 Conduct of Business.  Prior the Closing,  Seller shall operate
the Purchased  Business in a prudent  manner and only in the ordinary  course of
business consistent with past practices. Seller shall use all reasonable efforts
to preserve  the  Purchased  Business  organization  intact and to preserve  its
present  relationship  with  employees,  suppliers,  customers and others having
business relationships with Seller.

             2.19 Full Disclosure.  To Seller's  knowledge,  no  representation,
covenant  or  warranty of Seller in this  Agreement  or any  Schedule or Exhibit
hereto contains or will contain any untrue  statement of a material fact or omit
or will fail to state any material fact necessary to make any statement made not
misleading.  Buyer  acknowledges that it has had full access to relevant records
and to officers of Seller.

             2.20  Brokerage.  There are no claims  for  brokerage  commissions,
finders'  fees or  similar  compensation  in  connection  with the  transactions
contemplated  by this Agreement based on any arrangement or agreement made by or
on behalf of Buyer or any of its shareholders,  other than consideration paid to
Piper Jaffray for financial advice to Seller, which Seller will pay.

                                  ARTICLE III

            REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF THE BUYER

             3.1 Corporate  Organization and Power.  Buyer is a corporation duly
organized and validly  existing  under the laws of the State of Minnesota,  with
full corporate  power and authority to enter into this Agreement and perform its
obligations hereunder.

             3.2 Authorization.  The execution, delivery and performance of this
Agreement  and  the  Promissory  Note  by  Buyer  and  the  consummation  of the
transactions  contemplated  hereby have been duly and validly  authorized by all
requisite  corporate action, and no other corporate  proceedings on its part are
necessary to authorize the execution,  delivery or performance of this Agreement
and the Promissory  Note. This Agreement and the Promissory  Note  constitutes a
valid and binding obligation of Buyer, enforceable in accordance with its terms.

             3.3 No  Violation.  Buyer is not subject to or obligated  under its
certificate  of  incorporation,  its  bylaws,  any  applicable  law,  or rule or
regulation of any governmental authority, or any agreement or instrument, or any
license,  franchise  or permit,  or subject to any order,  writ,  injunction  or
decree,  which  would be breached  or  violated  by its  execution,  delivery or
performance of this Agreement.  Buyer will comply with all applicable  laws, and
with all applicable  rules and  regulations of all  governmental  authorities in
connection  with its execution,  delivery and  performance of this Agreement and
the transactions contemplated hereby.


<PAGE>




             3.4  Brokerage.  There are no  claims  for  brokerage  commissions,
finders'  fees or  similar  compensation  in  connection  with the  transactions
contemplated  by this Agreement based on any arrangement or agreement made by or
on behalf of Buyer or any of its shareholders,  other than consideration paid to
Dain, Bosworth for financial advice to Buyer, which Buyer will pay.

             3.5 Litigation.  There are no actions, suits, proceedings or orders
pending or, to the best of Buyer's  knowledge,  threatened  against or affecting
Buyer at law or in equity,  or before or by any  federal,  state,  municipal  or
other   governmental   department,   commission,   board,   bureau,   agency  or
instrumentality,  domestic or  foreign,  which would  adversely  affect  Buyer's
performance  under  this  Agreement  or the  consummation  of  the  transactions
contemplated hereby.

             3.6 Insurance.  Following the Closing Date,  Buyer will provide its
own  insurance  and shall,  consistent  with the  indemnification  provisions in
Sections 4.2 and 4.3 below, hold Seller harmless from any products  liability or
other claim in connection  with the  Equipment,  the  Purchased  Business or the
Purchased Assets, arising from Equipment sold after the Closing Date.

                                   ARTICLE IV

                             ADDITIONAL AGREEMENTS

             4.1  Survival.   All   representations,   warranties,   agreements,
covenants  and  obligations  herein shall  survive the execution and delivery of
this  Agreement  and the  Closing  until  December  31,  1996 except for matters
relating to products liability claims, which shall survive until June 1, 2000.

             4.2  Indemnification.  Except to the extent indemnified by
insurance proceeds:

                      4.2.1 The Seller  will  indemnify  the Buyer,  and hold it
             harmless against any loss, liability, damage, deficiency or expense
             (including  reasonable  legal  expenses  and  costs)  which  it may
             suffer,   sustain   or  become   subject   to  as  a  result  of  a
             misrepresentation  or  breach  by  Seller  of  any  representation,
             warranty,  covenant  or  agreement  of  Seller  set  forth  in this
             Agreement,  or resulting from  liabilities or obligations of Seller
             not assumed by Buyer,  and any costs and expenses  associated  with
             defending  against such claims,  liabilities,  obligations,  costs,
             damages, losses and expenses.

                  4.2.2 The Buyer  agrees to  indemnify  the  Seller and hold it
         harmless  against any loss,  liability,  damage or  expense,  including
         reasonable  legal  expenses  and costs,  which the  Seller may  suffer,
         sustain or become  subject to, as a result of (i) a  misrepresentation
         or breach by the Buyer of any  representation,  warranty,  covenant  or
         agreement of the Buyer contained in this Agreement,  (ii) the operation
         of the Purchased Business or any of the Purchased Assets by Buyer after
         the Closing (iii) Assumed  Liabilities  and (iv) any costs and expenses
         associated   with   defending   against   such   claims,   liabilities,
         obligations, costs, damages, losses and expenses.

                      4.2.3 The  parties  will be  liable to each  other for any
             loss  or  liability  arising  under  this  Section  4  only  if the
             aggregate amount of all such losses and liabilities related to such
             claims exceeds $150,000, in which case the Indemnifier,  as defined
             below,  will be liable for all such  amounts in excess of $150,000.
             In no event shall either  party's  aggregate  liability  under this
             Section  4  exceed  the sum of  $3,000,000,  except,  for  products
             liabilities,  for which in no event shall either party's  liability
             under this Section 4 exceed the sum of $5,000,000.

                      4.2.4 The  parties'  indemnification  provided for in this
             Section 4 shall be the  parties'  sole and  exclusive  remedy  with
             regard to the subject matter of this  Agreement,  except for claims
             as a result of  fraudulent  misrepresentation  by the  parties  and
             except with  respect to any claim  alleging  violation  of Sections
             4.12 or 4.13 of this Agreement.

             4.3      Indemnification Procedure.

                      (a)  A  party  or  parties  entitled  to   indemnification
             hereunder  with  respect to a third party  claim (the  "Indemnified
             Party")  will give the party or parties  required  to provide  such
             indemnification  (the  "Indemnifier")  prompt written notice of any
             legal proceeding, claim or demand instituted by any third party (in
             each case, a "Claim") in respect of which the Indemnified  Party is
             entitled to indemnification hereunder.

                      (b) The  Indemnifier  shall have the right,  at its option
             and expense, to defend against, negotiate, settle or otherwise deal
             with any Claim with respect to which it is the  Indemnifier  and to
             select counsel,  acceptable to the Indemnified Party, to defend the
             Indemnified   Party   against  such  Claim;   provided,   that  the
             Indemnified Party may participate in any proceeding with counsel of
             its  choice  and at its  expense;  and  provided  further  that the
             Indemnifier  may not  enter  into a  settlement  of any such  Claim
             without the consent of the Indemnified Party unless such settlement
             requires no monetary payment for which the Indemnified Party is not
             fully  indemnified  and does not involve any other matters  binding
             upon the Indemnified Party.



<PAGE>



                      (c) The  Indemnified  Party  will  not  settle  any  Claim
             without the prior written consent of the  Indemnifier,  which shall
             not be unreasonably withheld.

                      (d) The parties  will  cooperate  fully with each other in
             connection  with the  defense,  negotiation  or  settlement  of any
             Claim.

             4.4  Expenses.   All  fees,  expenses,   including  attorneys'  and
accountants'  fees incurred by Seller in connection with the negotiation of this
Agreement,  the performance of its obligations hereunder and the consummation of
the  transactions  contemplated  by this Agreement shall be borne by the Seller.
All such fees and expenses incurred by Buyer shall be borne by Buyer.

             4.5  Further  Transfers.  The  Seller  will,  and  will  cause  its
subsidiaries  and  affiliates,  if any,  to,  execute and deliver  such  further
instruments  of conveyance and transfer and take such  additional  action as the
Buyer may  reasonably  request to effect,  consummate,  confirm or evidence  the
transfer to the Buyer (or its  designees)  of the Purchased  Assets.  The Seller
will  execute  such  documents  as may be  necessary  to  assist  the  Buyer  in
preserving or perfecting its rights in the Purchased Assets.

             4.6 Transition Assistance.  Seller will at no cost to Buyer provide
reasonable  transition  assistance  to  Buyer's  employees  with  respect to the
manufacture  and  marketing  of the Devices.  Buyer will,  at no cost to Seller,
provide to Seller  reasonable  transitional  assistance with respect to Seller's
remaining operations by making available those individuals hired by Buyer.

             4.7 Sales Tax. Any and all sales tax liability  arising as a result
of the  sale  and  purchase  of  the  Purchased   Assets  shall  be  the  sole
responsibility of, and shall be paid by, the Buyer.

             4.8  Regulatory  Transfers.  If necessary,  the Seller shall file a
letter  with  the  FDA  or  any  successor  agency  notifying  the  FDA  of  any
registration change required of the Seller to transfer all rights and pre-market
notification  clearances  to  the  Buyer.  In  regard  to any  other  applicable
licenses,  registrations,  approvals,  clearances and authorizations required by
local, state and federal agencies,  foreign or domestic,  regulating the safety,
effectiveness  and market clearance of the Devices which constitute a portion of
the  Purchased  Assets,  the  Seller  shall file a letter  with each  applicable
regulatory authority notifying the authority of any registration change required
of the Seller to transfer all rights hereunder to the Buyer.

             4.9 Conduct of Business.  Prior to the Closing, Seller will conduct
the Purchased  Business only in the ordinary course of business  consistent with
past  practices;   take  no  steps  to  damage  customer,   employee  or  vendor
relationships; maintain the


<PAGE>



Purchased Assets in good repair, order and condition; not sell, lease, encumber,
transfer or  otherwise  dispose of any  Purchased  Assets;  permit Buyer and its
employees  and  agents  reasonable  access  to  Seller's  contracts,  personnel,
facilities,  equipment,  records  and other  things  reasonably  related  to the
Purchased Business.

             4.10  Employee  Matters.   Buyer  may  offer  employment  to  those
individuals listed on Schedule 4.10 and will provide such individuals who accept
such  employment  employee  benefits  consistent  with  those  offered  to other
employees  of Buyer  generally.  Seller  shall use its best efforts to encourage
such individuals to accept  employment with Buyer on the Closing Date;  provided
Seller makes no guarantee  that such  individuals  will accept  employment  with
Buyer.  Buyer shall provide  Seller with the names of all Seller's  employees to
whom Buyer  extends  offers of  employment,  within 48 hours of  extending  said
offers.  Buyer  shall  also  provide  Seller  with  notices of  acceptances  and
rejections of these offers by Seller's employees,  within 48 hours of receipt of
said notifications. Buyer shall not be bound by any CNS agreements or conditions
of  employment,  including  any liability  for accrued  vacation pay,  qualified
retirement plans, fringe benefits, salaries, severance pay or other benefits, or
by the terms and conditions of any collective bargaining agreement which gave or
established rights to any CNS employees prior to the Closing Date.

             4.11 Customers. Buyer and Seller shall each use its best efforts to
obtain any  consents  required  under the Assumed  Contracts in order to provide
Buyer  with the  benefits  under such  Assumed  Contracts,  but Seller  makes no
guarantees that such third parties will accept the assignment of its contracts.

             4.12 Non-Compete Agreement.  From the Closing Date until the end of
the period  ending  seven years after the end of the Relevant  Period,  or until
Buyer  discontinues  engaging  in the  manufacture  and sale of sleep  disorders
diagnostic equipment,  Seller and Dan Cohen shall not (i) contact, deal with, or
in any way solicit any entity or individual that, at any time, was a customer of
the Seller or becomes a customer  of the Buyer  (after the  Closing) to purchase
any products or services in competition with the Purchased  Business anywhere in
the world,  including  any  products  or services  developed  by Buyer after the
Closing  provided such products or services were  developed  from trade secrets,
know-how or other intellectual  property included in the Purchased Assets;  (ii)
engage in,  own,  manage,  operate,  control or  participate  in the  ownership,
management,  operations  or control of, or have any  financial  interest in, any
entity or  individual  engaged  in a  business  competitive  with the  Purchased
Business  anywhere in the world;  provided  nothing herein shall prohibit Seller
from  engaging  in any  business  other  than  the  sleep  disorders  diagnostic
business;  or (iii) seek to persuade,  directly or indirectly,  any employees of
Buyer,  including former employees of Seller,  to discontinue that  individual's
employment


<PAGE>



with the Buyer nor to  become  employed  in any  activity  competitive  with the
Purchased  Business.  A person or entity that acquires an interest in the Seller
or the entity that results from  acquisition of control of or  combination  with
Seller  shall not be prevented  by this  Section  4.12 from  competing  with the
Purchased Business in the sleep disorders  diagnostic  business.  A violation by
Seller or Dan Cohen of the foregoing  covenants may cause irreparable  injury to
Buyer, and Buyer shall be entitled, in addition to any other rights and remedies
that it may have at law or in  equity,  to  temporary  or  permanent  injunctive
relief enjoining Seller and/or Dan Cohen from doing or continuing to do any such
act and any other violation or threatened violation of the foregoing covenants.

             4.13 Confidentiality. Seller and Dan Cohen agree from and after the
Closing Date that they shall not, at any time, without the prior written consent
of Buyer, disclose or use any "Confidential  Information" obtained in the course
of Seller's  ownership of the Purchased Business prior to the Closing Date or in
the course of Seller's review of sale records or access to Buyer's  Confidential
Information  after the Closing Date,  except as required in Seller's  continuing
business  or  businesses.  "Confidential  Information"  shall  include,  without
limitation,  information relating to customers,  products, machines,  processes,
methods,  know-how,  trade  secrets,  inventions,   developments,  equipment  or
supplies,  made, sold,  licensed,  used,  developed or practiced by Seller,  its
customers or suppliers  prior to the Closing Date or by Buyer,  its customers or
suppliers  after  the  Closing  Date;  provided,   however,   that  Confidential
Information  shall not include  information  which Seller is under a duty by its
customers  not to use or to  disclose  to any  third  party or that  relates  to
publicly  disclosed facts.  Buyer shall have the same remedies in the event of a
violation or threatened  violation of the foregoing  covenants as are enumerated
in Section 4.12.

             4.14 Products,  Supplies and Documents.  Buyer shall have the right
to use existing products, supplies and documents (including, but not limited to,
inventory,  labels,  shipping materials,  catalogues and similar materials,  and
advertising  material) being  transferred to it pursuant to this Agreement until
such  products and supplies  are  depleted,  but shall not have the right to use
Seller's name in connection therewith.

             4.15 Press Release and  Announcements.  No general  press  releases
related to this Agreement and the  transactions  contemplated  herein,  or other
announcements  to Seller's  employees,  customers and  suppliers  will be issued
without the joint approval of Buyer and Seller.  Buyer and Seller will cooperate
to prepare a joint press  release to be issued on the Closing  Date or, upon the
request of Seller or Buyer, at the time of the signing of this Agreement.

             4.16  Brain Wave Monitoring and Analysis.  Seller owns
technology which is not part of the Purchased Assets related to


<PAGE>



brain wave monitors.  However, there is software that is part of the Proprietary
Rights  transferred  hereunder as part of the Purchased Assets which is used and
involves  intellectual  property used in the brain wave  monitoring  technology.
Such  software may be used by Seller in its brain wave  monitoring  business and
brain wave analysis,  and Buyer hereby grants Seller a perpetual  license to use
any such Proprietary  Rights for this purpose.  The perpetual license granted to
CNS under this  Paragraph  4.16 shall not permit CNS to use the  software or the
Proprietary  Rights  to engage in the sleep  monitoring  or  diagnosis  of sleep
disorder  business  and use of the software or the  Proprietary  Rights for such
purposes is expressly excluded from the perpetual license.

                                   ARTICLE V

                                 MISCELLANEOUS

             5.1 Amendment and Waiver.  This  Agreement may be amended,  and any
provision of this  Agreement may be waived,  provided that any such amendment or
waiver  will be binding on the Seller  only if such  amendment  or waiver is set
forth in a writing  executed by the Seller and that any such amendment or waiver
will be binding upon the Buyer only if such  amendment or waiver is set forth in
a writing executed by the Buyer. Waiver by the Seller or the Buyer of any breach
of or failure to comply with any provision of this  Agreement by the other party
shall not be construed as, or constitute a continuing  waiver of, or a waiver of
any other  breach of, or failure to comply  with,  any other  provision  of this
Agreement.

             5.2 Notices.  All notices,  demands and other  communications to be
given or delivered  under or by reason of the  provisions of this Agreement will
be in writing and will be deemed to have been given when personally delivered or
mailed by first class  mail,  return  receipt  requested.  Notices,  demands and
communications  to the  Seller and the Buyer  will,  unless  another  address is
specified in writing, be sent to the addresses indicated below:

                      Notices to the Seller:

                              CNS, Inc.
                              1250 Park Road
                              Chanhassen, MN 55317
                              Attention:  Chief Executive Officer
                                          Chief Operating Officer

                      with a copy to:

                              Lindquist & Vennum
                              4200 IDS Center
                              Minneapolis, MN 55402
                              Attn: Patrick Delaney



<PAGE>



                      Notices to the Buyer:

                            Aequitron Medical, Inc.
                            14800 28th Avenue North
                            Plymouth, MN 55447
                            Attn: Chief Executive Officer
                                  Chief Financial Officer

                      with a copy to:

                            Best & Flanagan, Professional Limited Liability
                                Partnership
                            4000 First Bank Place
                            Minneapolis, MN 55402
                            Attn:  David Morse

             5.3  Assignment.  This Agreement and all of the  provisions  hereof
shall be binding  upon and inure to the benefit of the parties  hereto and their
respective  successors and permitted assigns,  and no other person shall acquire
or have any right under or by virtue of this  Agreement.  Neither this Agreement
nor any of the rights,  interests or obligations  hereunder shall be assigned by
any party hereto without the prior written  consent of the other parties,  which
shall not be unreasonably withheld.

             5.4  Severability.   Whenever  possible,  each  provision  of  this
Agreement  will be interpreted in such manner as to be effective and valid under
applicable  law, but if any provision of this Agreement is held to be prohibited
by or invalid under  applicable law, such provision will be ineffective  only to
the extent of such prohibition or invalidity, without invalidating the remainder
of such provisions or the remaining provisions of this Agreement.

             5.5  Captions.   The  captions  used  in  this  Agreement  are  for
convenience of reference only and do not constitute a part of this Agreement and
will not be deemed to limit,  characterize or in any way affect any provision of
this  Agreement,  and all  provisions  of this  Agreement  will be enforced  and
construed as if no caption had been used in this Agreement.

             5.6 Complete Agreement. This document and the documents referred to
herein  contain the complete  agreement  between the parties and  supersede  any
prior  understandings,  agreements or representations by or between the parties,
written or oral, which may have related to the subject matter hereof in any way.
There are no restrictions,  promises,  warranties,  covenants,  or undertakings,
other than those expressly provided for herein.

             5.7  Counterparts.  This  Agreement  may be executed in one or more
counterparts  all of  which  taken  together  will  constitute  one and the same
instrument.



<PAGE>



             5.8  Governing Law.  The law of the State of Minnesota
will govern all questions concerning the construction, validity
and interpretation of this Agreement and the performance of the
obligations imposed by this Agreement.

             5.9  Arbitration.

                      (a) Except  with  respect to  matters  involving  Sections
             4.12,  4.13 and 4.15 hereof,  if a dispute arises between Buyer and
             Seller  as to the  interpretation  of this  Agreement  or any other
             agreement   entered  into  pursuant  hereto,   including,   without
             limitations, any matter involving indemnification, Buyer and Seller
             agree to use the  following  procedures,  in lieu of  either  party
             pursuing  other  available  remedies  and as the  sole  remedy,  to
             resolve the dispute.

                      (b) A party seeking to initiate the procedures  shall give
             written notice to the other party, describing briefly the nature of
             the dispute.  A meeting shall be held between the parties within 10
             days of the receipt of such notice,  attended by  individuals  with
             decision-making authority regarding the dispute, to attempt in good
             faith to negotiate a resolution of the dispute.

                      (c) If,  within 30 days after such  meeting,  the  parties
             have not succeeded in negotiating a resolution of the dispute,  the
             parties  agree to submit  the  matter  to  binding  arbitration  in
             Minneapolis,  Minnesota,  by one arbitrator  appointed by Buyer and
             Seller. If Buyer and Seller fail to appoint an arbitrator within 10
             days from the  conclusions  of the  negotiation  period,  then upon
             petition of either party, such arbitrator shall be appointed by the
             Chief Judge of the United States District Court for the District of
             Minnesota  or by  the  American  Arbitration  Association  so as to
             enable the  arbitrator  to render an award within 90 days after the
             arbitrator  has been  appointed.  Following  the  selection  of the
             arbitrator as set forth above,  the arbitration  shall be conducted
             promptly and  expeditiously and in accordance with the rules of the
             American  Arbitration  Association.  Such award  shall be final and
             binding and judgment upon the award  rendered by the arbitrator may
             be entered in any court having jurisdiction therefor.

                      (d) Each party shall bear  one-half of the expenses of the
             arbitrator excluding,  however, legal, expert, accountant and other
             professional fees of the other side.

 <PAGE>
            IN WITNESS WHEREOF, the parties hereto have executed this Agreement
as of the date first written above.


                                              AEQUITRON, INC.



                                              By /s/ James B. Hickey, Jr.
                                              Its President and CEO


                                              CNS, INC.


                                              By /s/ Richard E. Jahnke
                                              Its President 


<PAGE>



                         LIST OF EXHIBITS AND SCHEDULES


                  Exhibit A                          Promissory Note

                  Schedule 1.1(a)                    Inventory

                  Schedule 1.1(b)                    Machinery and Equipment

                  Schedule 1.1(c)                    Proprietary Rights

                  Schedule 1.1(d)                    Assumed Contracts

                  Schedule 1.2                       Excluded Receivables

                  Schedule 2.7                       Litigation

                  Schedule 2.8                       Other Contracts

                  Schedule 2.9                       Insurance

                  Schedule 2.12                      510(k)s

                  Schedule 2.13                      Employee Plans

                  Schedule 2.14                      Financial Statements

                  Schedule 4.10                      Employee Matters




<PAGE>


                                   EXHIBIT A

                                PROMISSORY NOTE

$___________________________                             Minneapolis, Minnesota
                                                                   June 1, 1995


                  FOR VALUE  RECEIVED,  the  undersigned  promises to pay to the
order of CNS,  Inc.,  at  Chanhassen,  Minnesota,  or at such other place as may
hereafter from time to time be designated in writing by the holder  hereof,  the
sum of________________________ Dollars, payable in two equal installments (i) on
or before 75 days and (ii) 150 days from the date hereof,  with  interest at the
rate of 4% per year.

                  The  undersigned  shall have the right to prepay any or all of
this note at any time without penalty.

                  The undersigned waives demand, presentment, protest and notice
of dishonor of this note, and agrees that, without any notice, the holder hereby
may from time to time  extend or renew the date or dates or amount or amounts of
payment above recited,  and that in any such case the undersigned shall continue
liable  to pay the  unpaid  balance  of the  indebtedness  evidenced  hereby  so
extended,  renewed or modified  notwithstanding  any such extension,  renewal or
modification.

                  In the event any  installment of the amount payable  hereunder
is not paid on the due date,  the entire amount payable  hereunder  shall become
payable immediately.

          In the event any payment is not made when due, the undersigned  agrees
to pay all costs of collection and reasonable attorney's fees.


WITNESS:                                        AEQUITRON MEDICAL, INC.

_____________________________                   By___________________________
                                                  Its:





                           NON-COMPETITION AGREEMENT


         This Non-Competition agreement is made and entered into this 8th day of
May,  1995, by and between Dan Cohen who resides at Eden Prairie,  Minnesota and
Aequitron Medical,  Inc., a Minnesota  corporation which maintains its principal
place of business at 14800 28th Avenue North, Minneapolis,  Minnesota 55447. The
parties  to  this  agreement  (Dan  Cohen  and  Aequitron  Medical,  Inc.)  will
hereinafter  respectively  be referred to as "Cohen"  and  "Aequitron"  and this
Non-Competition Agreement will hereinafter be referred to as the "Agreement."

         The factual  circumstances  underlying  the execution of this Agreement
are:

         A. Cohen is the Chief  Executive  Officer  of CNS,  Inc.  (hereinafter
"CNS"), a Delaware  corporation  which maintains its principal place of business
at 1250 Park Road, Chanhassen, Minnesota 55317.

         B. Cohen is a shareholder of CNS and is the beneficial owner of 378,332
shares  representing  4.4 percent of the issued and outstanding  common stock of
CNS as of the date of this Agreement.

         C. Aequitron has entered into an Asset  Purchase  Agreement with CNS of
even date herewith under which  Aequitron is purchasing  from CNS for cash those
assets  of  CNS  used  by  CNS  in the  business  of  manufacturing,  marketing,
distributing  and selling  equipment for the diagnosis of sleep  disorders,  the
terms  and  conditions  of which  are more  specifically  set forth in the Asset
Purchase  Agreement  between  CNS  and  Aequitron   (hereinafter  the  "Purchase
Agreement").

         D. The Purchase Agreement contains provisions regarding non-competition
and confidentiality as regards the line of business being purchased by Aequitron
from CNS under the Purchase Agreement.

         E. A specific condition of Aequitron's agreement to execute and perform
the Purchase  Agreement is an  acknowledgement  by Cohen  individually  that the
non-competition  and  confidentiality  provisions of the Purchase  Agreement set
forth on Paragraphs 4.12 and 4.13 of the Purchase Agreement will be acknowledged
as  binding  upon him for the same  period  of time and upon the same  terms and
conditions as set forth in Paragraphs 4.12 and 4.13 of the Purchase Agreement.

         F.  Aequitron  and Cohen  having  agreed upon the terms and  conditions
whereby Cohen  individually  agrees to be bound by the  provisions of Paragraphs
4.12 and 4.13 now desire to memorialize  their agreements and  understandings in
writing.

         NOW,  THEREFORE,  in  consideration  of the sum of One Dollar and other
good and valuable consideration,  the receipt, adequacy and sufficiency of which
are hereby acknowledged by Cohen, Cohen and Aequitron hereby agree as follows:


<PAGE>



         1.  Cohen in order  to  induce  Aequitron  to enter  into the  Purchase
Agreement  hereby agrees to be bound  personally by the terms and  conditions of
Paragraphs 4.12 and 4.13 of the Purchase Agreement.

         2. The  provisions  and  conditions  of  Sections  4.12 and 4.13 of the
Purchase  Agreement  shall be binding upon Cohen and Aequitron for the period of
time  set  forth  in  said  sections,  notwithstanding  the  termination  of his
employment, officership, shareholder or director status with CNS.

         3. Cohen  acknowledges  that the sale of assets by CNS as  specified in
the Purchase  Agreement is beneficial to the future  business  operations of CNS
and more than likely will have a positive impact on the stock price of CNS stock
and shareholders' value and thereby should  correspondingly inure to the benefit
of Cohen individually in light of his personal stock holdings in CNS.

         4.  Cohen  hereby  waives  the  defense  of lack of  consideration  for
entering  into this  non-competition  and  confidentiality  agreement  should be
necessary for Aequitron to seek enforcement of same.

         5. A true and correct copy of Sections 4.12 (Non-Compete Agreement) and
4.13  (Confidentiality)  as set forth in the  Purchase  Agreement  are  attached
hereto marked as Exhibit A and incorporated herein by reference.

         IN WITNESS  WHEREOF,  Cohen and Aequitron  have executed this Agreement
the day and year first set forth above.

                                                 COHEN:

Date:  May 8, 1995                               /s/ Dan Cohen
                                                 Dan Cohen


                                                 AEQUITRON MEDICAL, INC.

Date:  May 8, 1995                               By /s/ James B. Hickey, Jr.
                                                 Its President and CEO






Norwest Bank Minnesota,                                     Term Loan and 
National Association                                        Credit Agreement

This Term Loan and Credit Agreement (the  "Agreement")  dated as of June 1, 1995
(the "Effective Date") is between Norwest Bank Minnesota,  National  Association
(the "Bank") and Aequitron Medical, Inc. (the "Borrower").

BACKGROUND

The Borrower has requested  that the Bank renew its existing  revolving  line of
credit in the amount of  $2,000,000.00,  which  line of credit  will be used for
short term working capital  purposes.  Borrowings  under this line of credit are
currently  evidenced by a promissory note dated October 1, 1994 (the "October 1,
1994 Revolving Note").

The  Borrower  has also  requested  that  the  Bank  extend  to the  Borrower  a
$2,500,000.00  term loan for  purposes of  partially  financing  the  Borrower's
purchase of the assets of CNS, Inc.

The Bank is  agreeable to meeting the  Borrower's  requests  provided  that each
credit  facility  extended  is  subject  to the  terms  and  conditions  of this
Agreement.

The Revolving Note and the Term Note (all as defined below) will collectively be
referred to as the "Notes".  The Revolving  Note, the Term Note, this Agreement,
and all "Security Documents" described in Exhibit B may collectively be referred
to as the "Documents."

In consideration of the promises  contained in this Agreement,  the Borrower and
the Bank agree as follows:

 1.      LINE OF CREDIT

 1.1     Line of Credit Amount.  During the availability period described below,
         the Bank agrees to provide a revolving  line of credit (the  "Line") to
         the  Borrower.  Outstandings  under the Line will not, at any one time,
         exceed the lesser of Two Million and 00/100 Dollars  ($2,000,000.00) or
         the Borrowing Base less the  outstanding  balance of the Term Note. The
         Borrowing Base is defined and  calculated in accordance  with Exhibit A
         to this Agreement.

 1.2     Line Availability  Period.  The Line Availability  Period will mean the
         period  from  the  Effective  Date  to  October  31,  1996  (the  "Line
         Expiration Date").

 1.3     Advances.  The  Borrower's  obligation to repay all advances made under
         the Line will be evidenced by a single  promissory note (the "Revolving
         Note")  dated  as of  the  Effective  Date  and  in  form  and  content
         acceptable to the Bank. The Revolving Note shall replace, but shall not
         satisfy,  the October 1, 1994 Revolving Note.  Reference is made to the
         Revolving Note for terms relating to interest rate, repayment and other
         conditions governing the Line.

 1.4     Mandatory  Prepayment.  If at any time the principal  outstanding under
         the Revolving Note exceeds the lesser of $2,000,000.00 or the Borrowing
         Base less the  outstanding  balance of the Term Note, the Borrower must
         immediately  prepay  the  Revolving  Note to the  extent  necessary  to
         eliminate the excess.



<PAGE>



 2.      TERM LOAN

 2.1     Term  Loan  Amount.  The Bank  agrees  to  provide  a term  loan to the
         Borrower in the amount of Two Million Five  Hundred and 00/100  Dollars
         ($2,500,000.00)  (the "Term Loan"). The Borrower's  obligation to repay
         outstandings under the Term Loan will be evidenced by a promissory note
         (the  "Term  Note")  dated as of the  Effective  Date,  and in form and
         content acceptable to the Bank.  Reference is made to the Term Note for
         terms  relating  to  interest  rate,  repayment  and  other  conditions
         governing the Term Loan.

2.2      Term  Loan  Availability  Period.  The Term  Loan is  available  in one
         disbursement  which may be  requested  by the  Borrower on or after the
         Effective Date but no later than July 18, 1995.

 2.3     Mandatory  Prepayment.  If at any time the principal  outstanding under
         the Term Note exceeds the lesser of $2,000,000.00 or the Borrowing Base
         less the  outstanding  balance of the Revolving Note, the Borrower must
         immediately  prepay  the  Revolving  Note to the  extent  necessary  to
         eliminate the excess,  and if after  prepaying  the Revolving  Note the
         outstanding  balance of the Term Note continues to exceed the Borrowing
         Base, the Borrower will prepay the Term Note to the extent necessary to
         eliminate the excess.

 3.      EXPENSES

3.1      Application  Fee. The Borrower has fully paid,  and the Bank has earned
         and accepted,  a one-time  application fee of $5,000.00,  which will be
         applied to the loan fee payable by the  Borrower as provided in Section
         3.6.

 3.2     Non-Usage Fee.  During the Line  Availability  Period the Borrower will
         pay the Bank a  nonusage  fee of 0.45% per annum on the  average  daily
         unused amount of the Line The fee will be paid quarterly in arrears.

 3.3     Documentation   Expenses.   The  Borrower  agrees  to  pay  the  Bank's
         reasonable  expenses relating to the preparation of the Documents.  The
         Borrower also agrees to pay the Bank's future expenses  relating to any
         amendments  to the Documents  that may be necessary in the future,  and
         any expenses  relating to the collection of each  promissory note given
         by the Borrower.  Expenses include,  but are not limited to, reasonable
         attorneys'  fees,  including the allocated costs of the Bank's in-house
         counsel.

 3.4     Collection   Expenses.   The  Borrower  agrees  to  pay  all  costs  of
         collection,  including  reasonable  attorneys'  fees and legal expenses
         incurred  by the Bank in the event the  Borrower  fails to pay the Bank
         any amounts due under any promissory note or the Documents.

 3.5     Audit Expense.  The Borrower  agrees to reimburse the Bank for the cost
         of its initial  prefunding  collateral  survey and the cost of periodic
         audits of all collateral  pledged to the Bank which may be conducted at
         such  intervals as the Bank may reasonably  require.  The audits may be
         performed by employees of the Bank or independent  contractors retained
         by the Bank.

3.6      Loan Fee. The Borrower will pay a $25,000.00 loan fee in  consideration
         of the Term Loan, which is due on the Effective Date.

3.7      Miscellaneous  Expense.  The Borrower  agrees to reimburse the Bank for
         all expenses  paid to third parties  relating to the  perfection of its
         security interest in collateral pledged to the Bank.


<PAGE>




 4.      DISBURSEMENTS AND PAYMENTS

 4.1     Requests for Advances.  Any advance permitted under this Agreement must
         be requested in a writing in the form of Exhibit B  transmitted  to the
         Bank via  facsimile,  with the original to be delivered to the Bank via
         United  States  mail.  The Bank will not  consider  any  request for an
         advance under the Line or consider disbursing the Term Loan if there is
         an event  which  is, or with  notice or the lapse of time  would be, an
         event of default under this  Agreement.  Proceeds from an advance under
         the Line or a  disbursement  under the Term Loan will be deposited into
         the Borrower's account at the Bank or disbursed in such other manner as
         the Bank and the Borrower mutually agree.

 4.2     Optional Cost of Funds Interest Rate  Advances.  According to the terms
         of the Replacement Note, the Borrower may elect interest rates based on
         the Bank's cost of funds  index.  To elect a Cost of Funds Rate Option,
         as defined in the Term  Note,  the  Borrower  must,  prior to  funding,
         request a quote from the Bank.  This request  must  designate an amount
         (the "Cost of Funds  Rate  Portion")  and a period  (the "Cost of Funds
         Interest Period"). The Cost of Funds Interest Period will be any period
         of time mutually  agreed to by the Bank and the Borrower.  The Borrower
         must orally  accept a quote at the time of receipt or it will be deemed
         rejected.  If  accepted,  the Cost of Funds Rate  Option will remain in
         effect for the Cost of Funds Interest Period specified in the quote. At
         the end of each Cost of Funds  Interest  Period  the  principal  amount
         subject to the Cost of Funds Rate  Portion  shall bear  interest at the
         Base Rate Option (as defined in the Replacement Note).

 4.3     Performance Based Rate Reductions / Premiums.  The Borrower,  depending
         on  its  financial   performance  as  measured  under  the  performance
         standards  set forth in  Sections  4.3(a) or (c),  may be entitled to a
         reduced rate of interest on its borrowings  under the Replacement  Note
         and the Term Note,  or may be subject to the payment of a rate  premium
         on such borrowings.

(a)      Rate Reduction.  The Bank shall discount the otherwise  applicable rate
         of interest in effect at any time under the  Replacement  Note or under
         the  Term  Note by  0.29%  at any  time  after  August  1,  1996 if the
         Borrower's  performance meets or exceeds all of the following  criteria
         as certified annually by the Borrower's certified public accountants in
         a certificate addressed to the Bank:

                  1) the Borrower's  net income after taxes exceeds  $575,000.00
         for each  quarter of the fiscal  year  preceding  the year in which net
         income is measured, for each fiscal quarter of the current fiscal year,
         and for each fiscal  quarter of the following  fiscal year as projected
         under the financial  projection  provided to the Bank to Section 8.1(e)
         of this Agreement;

                  2) the Borrower  remains in compliance  with all covenants set
         forth in this Agreement  regardless of whether any default is waived or
         cured by the Bank, with the exception of Section 8.1(d);

                  3) the Borrower's "B Score",  or ratio of after tax net income
         plus depreciation plus  amortization to total  liabilities,  is greater
         than 0.40 to 1.0. (this ratio shall be calculated on a rolling basis at
         the end of each month  using the  results of that month and each of the
         eleven immediately preceding months).

(b)      Effective  Date  or  Cancellation  Date  of Rate  Reduction:  Any  rate
         reduction  shall become  effective on either  August 1st or the date on
         which  the  Bank  receives  from  the   Borrower's   certified   public
         accountants the certificate of compliance  described in Section 4.3(a),
         whichever is later.  The rate reduction  shall be canceled by the Bank,
         based on its review of


<PAGE>



         the Borrower's interim financial  statements effective on the first day
         of the quarterly  reporting  period  following the quarterly  period in
         which  the  Borrower  fails  to meet  the  rate  reduction  performance
         criteria.

(c)      Rate Increase. The Bank shall increase the otherwise applicable rate of
         interest in effect at any time under the Replacement  Note or under the
         Term Note by 0.63% whenever the Bank  determines from its review of the
         Borrower's interim financial statements that the Borrower has failed to
         comply with the following  minimum  performance  criteria in any fiscal
         quarter:

                  1)  the   Borrower's   after  tax  net  income  is  less  than
                  $250,000.00;

                  2)       the Borrower's B Score is less than 0.25 to 1.0.

(d)      Effective Date or Cancellation Date of Rate Increase. Any rate increase
         shall  become  effective  on the first day of the  quarterly  reporting
         period  following the quarterly  period in which the Borrower  fails to
         meet the minimum performance  criteria set forth in Section 4.3(c). The
         rate  increase  shall be  canceled  on the first  day of the  quarterly
         reporting  period  following the quarterly period in which the Borrower
         exceeds such minimum performance criteria.

 4.4     Payments. All principal, interest and fees due under the Documents will
         be paid to the Bank by the direct debit of  available  funds on deposit
         in the  Borrower's  account  with the  Bank.  The Bank  will  debit the
         account on the dates the  payments  become  due. If a due date does not
         fall on a day on which  the Bank is open for  substantially  all of its
         business (a "Banking Day"), the Bank will debit the account on the next
         Banking Day and interest  will  continue to accrue  during the extended
         period.  If there are insufficient  funds in the account on the day the
         Bank enters any debit  authorized by this Agreement,  the debit will be
         reversed and the payment will be due immediately  without  necessity of
         demand by direct remittance of immediately available funds.

 5.      SECURITY

         All amounts due under this  Agreement and the Documents will be secured
         as provided in Exhibit C. The  Borrower  also hereby  grants the Bank a
         security  interest  (independent of the Bank's right of set-off) in its
         deposit  accounts at the Bank and in any other debt  obligations of the
         Bank to the Borrower.

 6.      CONDITIONS PRECEDENT

         Prior to each request for an advance under this Agreement, the Borrower
         must  also  deliver  to the  Bank  any  additional  documents  that are
         described in Exhibit C as a condition precedent to any such advance.

 7.      REPRESENTATIONS AND WARRANTIES

         To induce the Bank to enter into this Agreement, the Borrower makes the
         representations and warranties contained in Exhibit D. Each request for
         an advance under this Agreement  constitutes a  reaffirmation  of these
         representations and warranties.

 8.      COVENANTS

         During the time period that credit is available  under this  Agreement,
         and  thereafter  until all amounts due under the  Documents are paid in
         full,  unless the Bank shall otherwise  agree in writing,  the Borrower
         agrees to:



<PAGE>



         
 8.1     Financial Information

         Annual Reporting Information

(a)      Annual Financial  Statements,  CPA Management Letter and CPA Compliance
         Certificate.  Provide  the Bank on or before  July 31 of each  calendar
         year the Borrower's annual financial statements. The statements must be
         audited with an unqualified  opinion by a certified  public  accountant
         acceptable to the Bank. The Borrower shall also deliver to the Bank the
         letter to management  provided by its  accountants  with respect to the
         annual  financial  statements,  together with a compliance  certificate
         prepared  by  the  Borrower's  certified  public  accountants  in  form
         acceptable  to the Bank,  which  demonstrates  and  certifies  that the
         Borrower remains in compliance with the requirements of this Agreement.

(b)      Financial Projections.  Provide the Bank on or before July 31st of each
         year, the financial  projections for the succeeding  three fiscal years
         of the Borrower in form acceptable to the Bank.

(c)      High Performance Certification. Provide the Bank on or before July 31st
         of each year, a certification  from its Certified Public Accountants as
         to the Borrower's compliance with the performance criteria set forth in
         Section 4.3 of this Agreement, in form acceptable to the Bank.

         Monthly Reporting Information

(d)      Interim Financial  Statements.  Provide the Bank within 45 days of each
         month end, the Borrower's  interim  financial  statements  certified as
         correct and in form acceptable to the Bank.

(e)      Borrower Prepared Compliance Certificate. Provide the Bank concurrently
         with the interim  financial  statements  required  above,  a compliance
         certificate  in the form of  Exhibit  E,  signed by an  officer  of the
         Borrower,  which certifies that: 1) the statements have been accurately
         prepared in accordance with generally  accepted  accounting  principles
         applied  consistently with the Borrower's annual financial  statements;
         2) the Borrower  remains in compliance  with the covenants  required by
         this Agreement; and 3) if the Borrower is benefiting from a Section 4.3
         rate reduction,  a certification  stating that the Borrower  remains in
         compliance  with  the  performance  criteria  of  Section  4.3  of  the
         Agreement, and information in support of such certification.

(f)      Borrowing  Base  Certificate.  Provide  the Bank within 45 days of each
         month end, a Borrowing Base Certificate in form acceptable to the Bank.

(g)      Lawsuit  Status  Report.  Provide the Bank within 30 days of each month
         end,  a status  report  regarding  all  lawsuits  pending  against  the
         Borrower in form acceptable to the Bank.

(h)      Financial Performance Trending Report.  Provide the Bank within 30 days
         of  each  month  end,  graphs  showing  the  trends  of the  Borrower's
         financial performance and covenant compliance.

(i)      Analysis of  Significant  Financial  Items.  Provide the Bank within 30
         days of each month end, a detailed  internal  analysis  of  significant
         financial and operating  items  affecting the Borrower's  financial and
         operating performance.



<PAGE>



(j)      Accounts  Receivable  Aging.  Provide  the Bank  within 45 days of each
         month end, an accounts receivable aging report certified as correct and
         in form acceptable to the Bank.

(k)      Accounts  Payable Aging.  Provide the Bank within 45 days of each month
         end, an accounts  payable aging report certified as correct and in form
         acceptable to the Bank.

         Other Reporting Information

(l)      SEC  Reporting.  Provide  the Bank  within 30 days of  filing  with the
         Securities  and  Exchange  Commission,  copies of its Form 10-K  Annual
         Report, Form 10-Q Quarterly Report and 8-K Current Report.

(m)      Notices.  Provide the Bank prompt written notice of: 1) any event which
         has or might  after the  passage of time or the  giving of  notice,  or
         both,  constitute  an event of default under the  Documents,  or 2) any
         event that would cause the representations and warranties  contained in
         this Agreement to be untrue.

(n)      Additional Information. Provide the Bank with such other information as
         it may reasonably request, and permit the Bank to visit and inspect its
         properties and examine its books and records.

 8.2     Financial Measures

(a)      Cash Flow  Coverage  Ratio.  Maintain at all times a ratio of after-tax
         profit plus depreciation and amortization to Current Maturities of Long
         Term Debt of at least 2.25 to 1.0.

         "Current  Maturities  of Long Term  Debt"  means  that  portion  of the
         Borrower's  long term debt and capital  leases payable within 12 months
         of the determination date.

(b)      Tangible Net Worth.  Maintain at all times a minimum Tangible Net Worth
         of at least $9,000,000.00, plus 50% of all positive monthly net income,
         beginning May 1, 1995.

         "Tangible Net Worth" means total assets less total liabilities and less
         the  following  types  of  assets:  (1)  leasehold  improvements;   (2)
         receivables   and  other   investments  in  or  amounts  due  from  any
         shareholder,  director,  officer,  employee  or other  person or entity
         related to or  affiliated  with the Borrower;  (3)  goodwill,  patents,
         copyrights,  mailing lists, trade names, trademarks,  servicing rights,
         organizational  and franchise costs, bond underwriting  costs and other
         like assets properly classified as intangible.

(c)      Total Liabilities to Tangible Net Worth Ratio.  Maintain at all times a
         ratio of total  liabilities  to Tangible Net Worth of less than 0.85 to
         1.0.

(d)      Current  Ratio.  Maintain  at all  times a ratio of  Current  Assets to
         Current Liabilities of at least 2.5 to 1.0.

         "Current  Assets" means current assets less receivables and investments
         in or  other  amounts  due  from any  shareholder,  director,  officer,
         employee  or any  person or entity  related to or  affiliated  with the
         Borrower.

         "Current  Liabilities"  means current  liabilities  less any portion of
         such current liabilities that constitute Subordinated Debt.

(e)      Interest Coverage Ratio.  Maintain at all times after November 1, 1995,
         a ratio of net  income  plus  income  taxes  plus  interest  expense to
         interest  expense of at least 2.0 to 1.0, as calculated on a rolling 12
         month  basis as of each month end and phased in by using the results of
         November, 1995 and of each succeeding month.

(f)      Debt Service  Coverage  Ratio.  Maintain at all times after November 1,
         1995, a ratio of Traditional Cash Flow plus interest expense to Current
         Maturities of Long Term Debt plus interest  expense of at least 1.75 to
         1.0,  calculated  on a rolling 12 month  basis as of each month end and
         phased in by using the results of November, 1995 and of each succeeding
         month.

         "Traditional  Cash Flow" means the aggregate  amount of the  following:
         (1) net income after taxes; (2) amortization  expense; (3) depreciation
         and  depletion  expense;  (4)  deferred  tax  expense  and (5)  similar
         non-cash  charges  against  income  which  the Bank  determines  in its
         discretion to be appropriate "add-backs".

 8.3     Other Covenants

(a)      Insurance. Cause its properties to be adequately insured by a reputable
         insurance  company  against  loss or  damage  and to carry  such  other
         insurance  (including  business  interruption,  flood, or environmental
         risk insurance) as is required of or usually carried by persons engaged
         in the same or similar  business.  Such insurance must, with respect to
         the  Bank's  collateral  security,  include  a  lender's  loss  payable
         endorsement  in favor of the Bank in form  acceptable to the Bank.  The
         Borrower shall additionally  maintain product liability insurance in an
         amount not less than $5,000,000.00.

(b)      Additional Borrowing.  Refrain from incurring any indebtedness except:

                    (i)  Trade  credit   incurred  in  the  ordinary  course  of
                    business.

                  (ii)  Purchase  money  indebtedness   (including   capitalized
                  leases) for the acquisition of fixed assets, provided that the
                  total  principal  amount  outstanding at any one time does not
                  exceed $500,000.00.

(c)      Other  Liens.  Refrain from  allowing any security  interest or lien on
         property it owns now or in the future, except:

                  (i)   Liens in favor of the Bank.

                  (ii) Liens for taxes not  delinquent  or which the Borrower is
                  contesting in good faith.

                  (iii) Liens which secure purchase money  indebtedness  allowed
                  under this Agreement.

(d)      Sale of Assets.  Refrain from selling or leasing during any fiscal year
         assets with a  cumulative  value in excess of  $500,000.00,  other than
         sales of inventory in the ordinary course of business.

(e)      Business  Acquisition.  Refrain from purchasing or otherwise  acquiring
         during any fiscal year, all or substantially  all, of the assets of any
         other person, firm, corporation or other entity with a cumulative value
         in excess of $500,000.00.

(f)      Change of Ownership.  Refrain from  permitting or suffering any change,
         direct or indirect in its capital ownership in excess of 15%.



<PAGE>



(g)      Nature of  Business.  Refrain  from  engaging  in any line of  business
         materially different from that presently engaged in by the Borrower.

(h)      Guaranties.   Refrain  from  assuming,   guaranteeing,   endorsing,  or
         otherwise becoming contingently liable for any obligations of any other
         person,  except for those  guaranties  outstanding  as of the Effective
         Date and disclosed to the Bank in writing.

(i)      Deposit  Accounts.  Maintain its  principal  deposit  accounts with the
         Bank.

(j)      Maintenance of Properties.  Make all repairs,  renewals or replacements
         necessary to keep its plant,  properties  and equipment in good working
         condition.

(k)      Books and Records. Maintain adequate books and records and refrain from
         making any material  changes in its accounting  procedures  whether for
         tax purposes or otherwise.

(l)      Compliance  with Laws.  Comply in all material  respects  with all laws
         applicable to its business and the ownership of its property.

(m)      Preservation of Rights.  Maintain and preserve all rights,  privileges,
         charters and franchises it now has.

         These  covenants  were  negotiated  by the Bank and  Borrower  based on
         information  provided  to the  Bank  by the  Borrower.  A  breach  of a
         covenant  is an  indication  that  the  risk  of  the  transaction  has
         increased.  As  consideration  for any waiver or  modification of these
         covenants, the Bank may require:  additional collateral,  guaranties or
         other  credit  support;  higher fees or interest  rates;  and  possible
         modifications to the Documents and the monitoring of the Agreement. The
         waiver or  modification  of any covenant  that has been violated by the
         Borrower will be made in the sole discretion of the Bank. These options
         do not limit the Bank's right to exercise its rights under Section 9 of
         this Agreement.

 9.      EVENTS OF DEFAULT AND REMEDIES

 9.1     Default

         Upon  the  occurrence  of any one or more of the  following  events  of
         default,  or at any time  afterward  unless the default has been cured,
         the Bank may declare the Line to be  terminated  and in its  discretion
         accelerate and declare the unpaid  principal,  accrued interest and all
         other amounts  payable under the Revolving Note, the Term Note, and the
         Documents to be immediately due and payable:

(a)      Default by the  Borrower in the payment  when due of any  principal  or
         interest due under the Revolving Note and the Term Note and continuance
         for 10 days.

(b)      Default  by  the  Borrower  in the  observance  or  performance  of any
         covenant  or  agreement  contained  in the  Documents,  including  this
         Agreement, and continuance for more than 30 days.

(c)      Default  by  the  Borrower  in the  observance  or  performance  of any
         covenant  or  agreement  contained  in the  Documents,  or any of them,
         excluding this Agreement,  after giving effect to any applicable  grace
         period.

(d)      Default by the  Borrower  in any  agreement  with the Bank or any other
         lender that relates to  indebtedness  or contingent  liabilities  which
         would allow the maturity of such indebtedness to be accelerated.


<PAGE>




(e)      Any  representation  or  warranty  made by the  Borrower to the Bank is
         untrue in any material respect.

(f)      Any litigation or governmental  proceeding against the Borrower seeking
         an amount in excess of  $500,000.00  either 1) results in an  uninsured
         final  judgment  equal  to or in  excess  of that  amount  against  the
         Borrower  or 2)  remains  unresolved  on the  270th day  following  its
         commencement,  unless as of the 270th day no judgment or award has been
         entered and the contingent  liability arising as a result is classified
         as "remote" by the Borrower's  counsel as defined in FASB 5 in a signed
         opinion addressed to the Bank.

(g)      A garnishment,  levy or writ of  attachment,  or any local,  state,  or
         federal  notice  of tax  lien or levy is  served  upon the Bank for the
         attachment  of property of the  Borrower  in the Bank's  possession  or
         indebtedness owed to the Borrower by the Bank.

(h)      Any  Guarantor  dissolves  or becomes  insolvent or is the subject of a
         voluntary or involuntary  petition  under the United States  Bankruptcy
         Code.

(i)      A material adverse change occurs in the Borrower's  financial condition
         or ability to repay its obligations to the Bank.

 9.2     Immediate Default

         If, with or without the  Borrower's  consent,  a custodian,  trustee or
         receiver is appointed  for any of the  Borrower's  properties,  or if a
         petition is filed by or against the  Borrower  under the United  States
         Bankruptcy  Code,  then the Line shall  immediately  terminate  and the
         unpaid principal,  accrued interest and all other amounts payable under
         the  Revolving  Note,  the Term Note,  and the  Documents  will  become
         immediately due and payable without notice or demand.

 10.     MISCELLANEOUS.

(a)      360 Day Year.  All interest and fees due under this  Agreement  will be
         calculated on the basis of actual days elapsed in a 360 day year.

(b)      GAAP.  Except as  otherwise  stated in this  Agreement,  all  financial
         information  provided to the Bank and all  calculations  for compliance
         with  financial   covenants  will  be  made  using  generally  accepted
         accounting principles consistently applied ("GAAP").

(c)      No  Waiver;  Cumulative  Remedies.  No  failure or delay by the Bank in
         exercising any rights under this Agreement  shall be deemed a waiver of
         those rights. The remedies provided for in the Agreement are cumulative
         and not exclusive of any remedies provided by law.

(d)      Amendments  or  Modifications.  Any amendment or  modification  of this
         Agreement  must be in writing and signed by the Bank and Borrower.  Any
         waiver of any provision in this Agreement must be in writing and signed
         by the Bank.

(e)      Binding  Effect:  Assignment.  This  Agreement  and the  Documents  are
         binding on the  successors  and assigns of the Borrower  and Bank.  The
         Borrower  may not  assign  its  rights  under  this  Agreement  and the
         Documents  without the Bank's prior written consent.  The Bank may sell
         participations  in or  assign  this  Agreement  and the  Documents  and
         exchange  financial  information  about  the  Borrower  with  actual or
         potential participants or assignees.

(f)      Minnesota Law. This Agreement and the Documents will be governed by the
         substantive laws of the State of Minnesota.


<PAGE>




(g)      Severability  of  Provisions.  If any  part  of this  Agreement  or the
         Documents  are  unenforceable,  the  rest  of  this  Agreement  or  the
         Documents may still be enforced.

(h)      Integration.  This  Agreement  and the  Documents  contains  the entire
         understanding  between the parties and supersedes all prior  agreements
         between the Bank and the  Borrower  relating  to each  credit  facility
         subject to this Agreement, whether verbal or in writing.

Address for notices to Bank:                Address for notices to Borrower:


Norwest Bank Minnesota                      Aequitron Medical, Inc.
   National Association                     14800 28th Avenue North
55 East Fifth Street                        Plymouth, Minnesota 55447
St. Paul, Minnesota  55101
                                            Attention: William M. Milne
Attention: Thomas L. Falck                             Chief Financial Officer
           Vice President

Norwest Bank Minnesota                      Aequitron Medical, Inc.
   National Association

By:   /s/ Thomas L. Falck                   By:  /s/ William M. Milne
Its:    Vice President                      Its:   Chief Financial Officer



<PAGE>



                                   EXHIBIT A
                           BORROWING BASE DEFINITION

Borrowing Base means the sum of 75% of Eligible Accounts  Receivable (as defined
below) plus 20% of Eligible  Inventory (as defined below),  plus 90% of Eligible
Investments  (as  defined  below) plus 50% of  Eligible  Crow River  Industries,
Incorporated Inventory (as defined below).

Eligible  Accounts  Receivable means all accounts  receivable except those which
are:

         1)  Greater Than 90 days past the invoice date.
         2) Due from an account  debtor,  10% or more of whose  accounts owed to
         the Borrower are more than 90 days past the invoice date.
         3)  Subject to offset or dispute.
         4)  Due from an account debtor who is subject to any bankruptcy 
         proceeding.
         5)  Owed by a shareholder, subsidiary, affiliate, officer or employee 
         of the Borrower.
         6)  Not subject to a perfected first lien security interest in favor of
         the Bank.
         7)  Due from an account debtor located outside the United States and 
         not supported by a standby letter of credit acceptable to the Bank.
         8)  Due from a unit of government, whether foreign or domestic.
         9)  Otherwise deemed ineligible by the Bank in its reasonable 
         discretion.

Eligible  Inventory means all medical  inventory of the Borrower,  including the
purchased  inventory of CNS,  Inc., at the lower of cost or market as determined
by generally accepted accounting principals, except inventory which is:

         1)  In transit; or located at any warehouse not approved by the Bank.
         2)  Covered by a warehouse receipt, bill of lading or other document of
         title.
         3)  On consignment to or from any other person or subject to any 
         bailment.
         4)  Damaged, obsolete or not salable in the Borrower's ordinary course 
         of business.
         5)  Subject to a perfected first lien security interest in favor of 
         any third party.
         6)  Supplies or parts inventory.
         7)  Work-in-process inventory.
         8)  In the process of being returned.
         9)  Custom or non-standard parts.
         10) Finished goods.
         11) Otherwise deemed ineligible by the Bank in its reasonable 
         discretion.

Eligible Crow River  Industries,  Incorporated  Inventory means all inventory of
Crow  River  Industries,  Incorporated,  at the  lower  of  cost  or  market  as
determined by generally accepted accounting  principals except inventory,  which
is:

         1)  In transit; or located at any warehouse not approved by the Bank.
         2)  Covered by a warehouse receipt, bill of lading or other document of
         title.
         3)  On consignment to or from any other person or subject to any 
         bailment.
         4)  Damaged, obsolete or not salable in the Borrower's ordinary course 
         of business.
         5)  Subject to a perfected first lien security interest in favor of 
         any third party.
         6)  Supplies or parts inventory.
         7)  Work-in-process inventory.
         8)  In the process of being returned.
         9)  Otherwise deemed ineligible by the Bank in its reasonable 
         discretion.

Eligible  Investments  means any security issued by the United States government
with an  initial  maturity  not in excess of one (1) year,  or any money  market
mutual fund rated A-1/P-1  provided that such  investment are subject to a first
lien security interest in favor of the Bank.

Actual  advance  rates are to be  determined  on a  reasonable  basis by Norwest
Collateral  Review  staff prior to initial  funding  following  its  pre-funding
collateral survey and from time to time afterward.


<PAGE>



                                   EXHIBIT A

                            AEQUITRON MEDICAL, INC.
                           BORROWING BASE CERTIFICATE

TO:      Norwest Bank Minnesota, National Association
         55 East Fifth Street
         St. Paul, Minnesota  55101
         (the "Bank")

Aequitron   Medical,   Inc.  (the  "Borrower")   certifies  that  the  following
computation  of the Borrowing  Base was performed as of  ___________________  in
accordance  with the Borrowing  Base  definitions  set forth in Exhibit A to the
Credit Agreement between the Bank and the Borrower dated --------------.

<TABLE>
<S>                                                  <C>                        <C>   

Total Accounts Receivable                            $_________________

         Less:    1) Greater than 90 days in age     $__________________
                  2) Other ineligibles               $__________________
         Eligible Accounts Receivable                $__________________
         75% of Eligible Accounts Receivable                                    $_______________

Total Inventory                                      $__________________

         Less:  Ineligible Inventory                 $__________________
         Eligible Inventory                          $__________________
         20% of Eligible Inventory                                              $_______________

Total Crow River Industries,
         Incorporated Inventory                      $__________________
         Less:  Ineligible
         Crow River Inventory                        $__________________
         Eligible Inventory                          $__________________
         50% of Eligible Crow River Inventory                                   $________________

Eligible Investments                                 $__________________

         90% of Eligible Investments*                                           $________________

Total Borrowing Base                                                            $________________

         Line Outstandings                                                      $________________
         Term Outstandings                                                      $________________
         Line Outstandings                                                      $________________

Excess (Deficit)                                                                $________________
</TABLE>

Aequitron Medical, Inc.

By:   _____________________________

Its:  _____________________________

*  NOTE:  Additional documentation required to support reliance on Eligible 
Investments.  See Exhibit "C" of the Agreement.



<PAGE>



                                   EXHIBIT B
                            AEQUITRON MEDICAL, INC.
             TO BE SENT VIA FAX (612) 291-2141 BY 11:00 A.M. DAILY
                         REQUEST FOR ADVANCE OR PAYDOWN
                               OF REVOLVING LINE

To:      Norwest Bank Minnesota,             From:   Aequitron Medical, Inc.
           National Association                      14800 - 28th Avenue North
         55 East Fifth Street                        Plymouth, Minnesota 55447
         St. Paul, Minnesota 55101                   (the "Borrower")
         (the "Bank")

         Pursuant  to the  terms of the  conditional  revolving  line of  credit
documented  under the existing credit agreement (the  "Agreement")  entered into
between the Bank and the Borrower, the Borrower requests as follows:

___ REQUEST FOR LINE ADVANCE. The Borrower requests that the Bank advance to the
Borrower on  ________________,  199__ , by direct  deposit  into demand  deposit
account #_________, funds in the amount of U.S.$ ____________ .

The advance  should bear interest as follows:  ___ Base Rate,  floating;  or ___
Fixed Rate Cost of Funds plus ________%, maturing _______________ .

In making this request, the Borrower hereby certifies as follows:

         1. This request is not in excess of the Borrowing Base reflected in the
Borrower's last Borrowing Base Certificate dated ______________

         2. As of this date,  the Borrower's  availability  under the Line is as
follows:

                  Borrowing Base                         $ ____________________
                  Term Loan Balance                      ($____________________)
                  Revolving Line Balance                 ($____________________)
                  Current Borrowing Base Availability    $_____________________

___ REQUEST FOR PAYDOWN OF LINE.  The Borrower  requests that the Bank debit the
Borrowers demand deposit account #_______________, on ___________________ in the
amount of U.S.$  ________________________  and apply the proceeds to the payment
of the  outstanding  balance of the Revolving Note that evidences its borrowings
under the Line.

I personally  certify that I am  authorized  to sign on behalf of the  Borrower,
that I have read and am  familiar  with the terms of the  Agreement  and have no
knowledge of an existing event of default or event which after the lapse of time
or the  delivery  of  notice  would  constitute  an event of  default  under the
Agreement.  If this  request  includes  reliance  on Eligible  Investments,  the
required documentation for the specific investments is attached.

AEQUITRON MEDICAL, INC.

By:_______________________________

Its:_______________________________




<PAGE>



                                   EXHIBIT C

            CONDITIONS PRECEDENT TO INITIAL ADVANCE OR DISBURSEMENT

The Replacement Note and the Term Note

Security Documents

Security  Agreement.  A Security  Agreement signed by the Borrower  granting the
Bank a first lien  security  interest  in the  Borrower's  accounts,  inventory,
equipment  and general  intangibles.  The Borrower  will also execute  financing
statements sufficient to perfect the security interest granted to the Bank.

Collateral  Pledge  Agreement.  A  Collateral  Pledge  Agreement  signed  by the
Borrower  and  pledging  to the  Bank a  first  lien  security  interest  in the
securities  described in it. The Borrower will also execute any other  documents
required by the Bank to perfect the pledge.

Guaranty by Corporation.  The unlimited,  unconditional  Guaranty by Corporation
(the  "Guaranty")  of Crow River  Industries,  Incorporated  (the  "Guarantor"),
together with a Certificate of Authority for Guaranty by Corporation.

Authorization

Corporate  Certificate of Authority.  A certificate of the Borrower's  corporate
secretary as to the  incumbency  and  signatures of the officers of the Borrower
signing the Documents and  containing a copy of  resolutions  of the  Borrower's
board of directors  authorizing  execution of the Documents and  performance  in
accordance with the terms of the Agreement.

Organization

Articles of  Incorporation  And By - Laws.  A certified  copy of the  Borrower's
Articles of Incorporation and By-Laws and any amendments, if applicable.

Certificate  of Good  Standing.  A copy of the  Borrower's  Certificate  of Good
Standing,  certified  within  30 days  of the  Effective  Date by the  Minnesota
Secretary of State.

Other

Arbitration  Agreement.  The Bank's standard form of arbitration  agreement (the
"Arbitration Agreement") signed by the Bank and Borrower,  subjecting to binding
arbitration  potential  controversies  between the Bank and Borrower relating to
the  Documents and the  Agreement,  as more fully  described in the  Arbitration
Agreement.

Legal Opinion.  A signed  opinion of counsel for the Borrower,  addressed to the
Bank, and in form and substance  satisfactory to the Bank, opining that: (1) the
Borrower is duly  organized and in good  standing in its state of  organization;
(2) the  Borrower is  qualified  in each state in which it does  business and is
legally required to be qualified;  (3) the Borrower has the power to execute and
deliver the  Documents  and to borrow money and perform in  accordance  with the
terms of the Documents;  (4) all corporate  action and consent  necessary to the
validity of the Documents has been  obtained;  (5) the Documents  have been duly
signed and are the valid and binding  obligation of the Borrower and enforceable
in accordance with their terms; and (6) to the best of counsel's knowledge,  the
Documents and the transactions  contemplated thereunder do not conflict with any
provision  of the  articles  of  incorporation  or  by-laws of  Borrower  or any
agreement binding upon the Borrower or its properties.

Pre-Funding  Collateral Survey. A collateral survey conducted by the Bank or its
agents


<PAGE>



substantiating  the  Borrower's  inventory  and  the  inventory  of  Crow  River
Industries,  Incorporated  and  confirming or adjusting the Bank's  advance rate
with respect to such collateral.

CONDITIONS PRECEDENT TO ALL ADVANCES

Request for Advance.  Concurrent with each request for an advance under the Line
or a  disbursement  under the Term Loan, the Borrower will deliver a Request for
Advance certificate to the Bank in the form set froth at Exhibit B.

CONDITIONS PRECEDENT TO ADVANCES SECURED BY INVESTMENT SECURITIES

Notice of Pledge.  Concurrent with each request for an advance under the Line or
a disbursement  under the Term Loan that will be supported in part by investment
securities  permitted  under  the  Borrowing  Base  definition  set forth in the
Agreement,  the  Borrower  will  deliver  to the Bank a Notice  of  Pledge  form
identifying  those  investment  securities to be included in the Borrowing Base,
together with such other  documents as the Bank may deem necessary to secure the
pledge.




<PAGE>



                                   EXHIBIT D

                         REPRESENTATIONS AND WARRANTIES


Organizational  Status.  The Borrower is a  corporation  duly formed and in good
standing under the laws of the State of Minnesota.

Authorization.  This Agreement,  and the execution and delivery of the Documents
required  hereunder,  is  within  the  Borrower's  powers,  and  has  been  duly
authorized,  and does not conflict with any of its organizational  papers or any
other agreement by which the Borrower is bound.

Financial  Reports.  The Borrower has provided the Bank with its annual  audited
financial  statement  dated April 30, 1994 and its unaudited  interim  financial
statement  dated  April 30 1995,  and  these  statements  fairly  represent  the
financial  condition  of the  Borrower  as of their  respective  dates  and were
prepared in accordance with GAAP.

Litigation.  There  is no  litigation  or  governmental  proceeding  pending  or
threatened  against the Borrower  which could have a material  adverse effect on
the Borrower's financial condition or business.

Taxes.   The Borrower has paid when due all federal, state and local taxes.

No  Default.  There is no event  which is,  or with  notice or the lapse of time
would be, an event of default under this Agreement.

ERISA. The Borrower is in compliance in all material respects with ERISA and has
received no notice to the contrary from the PBGC or other governmental area.

Environmental  Matters.  To the  best  of  the  Borrower's  knowledge  following
diligent inquiry: 1) the Borrower is in compliance in all material respects with
all applicable  environmental,  health, and safety statutes and regulations,  2)
the  Borrower  is not the  subject of any  "Superfund"  evaluations,  and 3) the
Borrower has not  incurred,  directly or  indirectly,  any  material  contingent
liability  in  connection  with the release of any toxic or  hazardous  waste or
substance into the environment.



Norwest Bank Minnesota,
National Association                                                  Term Note


$2,500,000.00                                                      June 1, 1995

FOR VALUE RECEIVED,  Aequitron Medical, Inc. (the "Borrower") promises to pay to
the order of Norwest Bank Minnesota,  National  Association (the "Bank"), at its
principal  office or such other address as the Bank or holder may designate from
time to time,  the principal sum of Two Million Five Hundred and 00/100  Dollars
($2,500,000.00),  or the amount shown on the Bank's  records to be  outstanding,
plus interest (calculated on the basis of actual days elapsed in a 360-day year)
accruing on the unpaid  balance at the annual rate of  interest  defined  below.
Absent  manifest  error the Bank's  records will be  conclusive  evidence of the
principal and accrued interest owing hereunder.

This Term Note is issued  pursuant to a credit  agreement of even date  herewith
between the Bank and the Borrower  (the  "Agreement").  The  Agreement,  and any
amendments or  substitutions  thereto,  contain  additional terms and conditions
including  default and acceleration  provisions.  The terms of the Agreement are
incorporated  into this Term Note by reference.  Capitalized terms not expressly
defined herein shall have the meanings given them in the Agreement.

INTEREST RATE.

Base Rate  Option.  Unless  the  Borrower  chooses  the Cost of Funds  Option as
defined below, the principal balance  outstanding under this Term Note will bear
interest  at an annual  rate equal to the Base Rate plus  0.85%,  floating  (the
"Base  Rate  Option").  The  Base  Rate is the  "base"  or  "rate"  of  interest
established  by  the  Bank  from  time  to  time  at  its  principal  office  in
Minneapolis.

Cost of Funds Option. Subject to the terms and conditions of the Agreement,  the
Borrower  may elect that all or portions of the  principal  balance of this Term
Note bear  interest  at the Bank's  cost of funds plus 3.25% (the "Cost of Funds
Option").  The  Bank's  Cost of  Funds  is the  rate  determined  by the Bank to
represent  the Bank's  direct and indirect  cost of acquiring  funds with a term
equal to the applicable Cost of Funds Interest Period, in an amount equal to the
Cost of Funds  Rate  Portion.  Specific  reference  is made to the  disbursement
section of the Agreement for terms  governing the  designation  of Cost of Funds
Interest Periods and Cost of Funds Rate Portions.

Rate Decrease / Premium. The interest rate contracted in this Term Note shall be
subject to either an  increase  or a decrease  in  accordance  with the terms of
Section 4.3 of the Agreement in the manner provided therein.

REPAYMENT TERMS

Interest.  Interest accruing under the Cost of Funds Rate Option will be payable
on the  first day of each  month  and at the end of each Cost of Funds  Interest
Period.

Principal.  Principal will be payable in 25 successive quarterly installments of
$92,500.00,  payable  on the first day of each  calendar  quarter  and  starting
October 1, 1995. The remaining  principal  balance,  plus any accrued  interest,
will be payable on July 1, 2002.

PREPAYMENT.  The  Borrower  may prepay  this Term Note in full or in part at any
time in a minimum  amount of  $100,000.00.  Each  prepayment  will be applied in
inverse  order of  maturity  and will  include  accrued  interest  on the amount
prepaid, if the installment consists of principal only.

Each prepayment of principal amounts bearing interest under an optional interest
rate,  whether  voluntary or by reason of  acceleration,  will be accompanied by
accrued  interest  on the  amount  prepaid  plus a  prepayment  fee equal to the
amount, if any, by which:


<PAGE>




         (i) the additional  interest that would have been payable on the amount
         prepaid,  if it had not been paid until the last day of the  applicable
         interest period, exceeds

         (ii) the  interest  that  would  have been  recoverable  by the Bank by
         reinvesting the amount prepaid from the prepayment date to the last day
         of the applicable interest period in U.S. Government  Securities having
         a maturity date on or about that date.

ADDITIONAL  TERMS  AND  CONDITIONS.  The  Borrower  agrees  to pay all  costs of
collection,  including reasonable attorneys' fees and legal expenses incurred by
the Bank in the  event  this Term Note is not duly  paid.  Demand,  presentment,
protest and notice of  nonpayment  and dishonor of this Term Note are  expressly
waived.  This Term Note will be governed by the substantive laws of the State of
Minnesota.

Aequitron Medical, Inc.

By:  /s/ William M. Milne

Its:   Chief Financial Officer




Norwest Bank Minnesota,
National Association                                         Security Agreement



Norwest Bank Minnesota                              Aequitron Medical, Inc.
  National Association                              14800 - 28th Avenue North
55 East Fifth Street                                Plymouth, Minnesota 55447
St. Paul, Minnesota 55101                          (the "Borrower")
(the "Bank")


June 1, 1995

1. SECURITY  INTEREST AND  COLLATERAL.  To secure payment of the Obligations (as
defined  below),  the Borrower  hereby enters into this Security  Agreement (the
"Agreement")  and  grants  to  the  Bank  a  security  interest  (the  "Security
Interest") in the Collateral (defined below).

"Obligations"  means every present and future debt,  liability,  and  obligation
which the  Borrower  may owe to the Bank,  whether  direct or  indirect,  due or
unmatured,  absolute or contingent,  primary or secondary,  or joint, several or
joint and  several,  and  including  all  extensions,  renewals,  amendments  or
replacements of such debt, liability, or obligation.

"Collateral"  means the following  property,  excluding consumer goods, in which
the  Borrower  now has or  hereafter  acquires an interest  and all products and
proceeds of such property:

(a) "Inventory".  All inventory held for sale or lease or supply under a service
contract,  or which constitutes work in process or materials used or consumed in
the Borrower's business.

(b)  "Equipment".  All  equipment  including  but not limited to all  machinery,
vehicles,  furniture,   appliances,   fixtures,   manufacturing  and  processing
equipment, shop equipment, office and recordkeeping equipment, computer hardware
and software, and parts and tools.

(c) "Accounts".  All accounts and other rights to the payment of money including
all  debt  instruments,   contract  rights,   chattel  paper,  loans  and  other
receivables, tax refunds, unearned premiums, rebates, documents and all returned
or repossessed goods arising from or relating to such accounts or rights.

(d) "General Intangibles".  All general intangibles including but not limited to
applications  for  patents,  patents,  copyrights,  trademarks,  trade  secrets,
goodwill, trade names, customer lists, permits,  franchises,  contracts, and the
right to use the Borrower's name.

2. REPRESENTATIONS, WARRANTIES AND AGREEMENTS. Borrower represents, warrants and
agrees that:

(a) Borrower is a  corporation  whose chief  executive  office is located at the
address shown at the beginning of this  Agreement,  and that this  Agreement has
been authorized by all necessary corporate action.

(b) The Collateral will be primarily used for business purposes.

(c) Borrower has and will have title to each item of  Collateral  free and clear
of all security interests and other encumbrances, except:

         (i)  the Security Interest;


<PAGE>




         (ii) liens for taxes not delinquent or which the Borrower is contesting
in good faith;

         (iii)  liens  securing  purchase  money   indebtedness  to  the  extent
consented to in writing in advance by the Bank;

The Borrower will defend the Collateral against the claims of all persons except
the Bank.  Borrower will not dispose of any interest in the  Collateral  without
the prior written consent of the Bank,  except that,  prior to the occurrence of
an Event of Default and the revocation by the Bank of the Borrower's right to do
so, Borrower may sell Inventory in the ordinary course of business.

(d) Borrower will execute and deliver to the Bank  financing  statements and any
other  documents  that the Bank may require to perfect its Security  Interest in
the Collateral, and will not permit any tangible Collateral to be located in any
state and/or county in which a financing statement perfecting such Collateral is
required  to be but has not  been  filed.  Borrower  agrees  that  the  Bank may
alternatively  execute financing  statements to perfect the Security Interest in
the Collateral where permitted by law.

(e) Each  Account and each  document is (or will be when  arising or issued) the
valid and legally  enforceable  obligation,  subject to no  defense,  set-off or
counterclaim  (other than those  arising in the ordinary  course of business) of
the obligor shown by the Borrower's records to be obligated to pay such Account.
Borrower will not agree to the material modification or cancellation of any such
right  to  payment  without  the  Bank's  prior  written  consent,  and will not
subordinate any such Account or right to payment to any other claim.

(f)      Borrower will at all times:

         (i) keep all tangible  Collateral in good working order and  condition,
normal depreciation excepted;

         (ii) promptly pay all taxes and other  governmental  charges  levied or
assessed upon Collateral;

         (iii)  permit the Bank to examine or inspect any  Collateral,  wherever
located,  and  to  examine,  inspect  and  copy  Borrower's  books  and  records
pertaining  to  the  Collateral  and   Borrower's   business,   and  to  request
verifications from account obligors of amounts owed to Borrower;

         (iv) keep accurate and complete  records  regarding the  Collateral and
Borrower's  business and financial  condition and provide the Bank such periodic
reports of condition as the Bank may reasonably request;

         (v) promptly  notify the Bank of any loss of or material  damage to any
Collateral or of any adverse change known to Borrower  regarding the prospect of
payment on any Account;

         (vi) upon Bank's request,  promptly deliver to the Bank any instrument,
document or chattel paper constituting Collateral,  duly endorsed or assigned by
Borrower;

         (vii) keep all  tangible  Collateral  insured  against loss and damage,
including risks of fire (including extended coverage), theft, collision (in case
of Collateral consisting of motor vehicles) and such other risks in such amounts
as the Bank may  reasonably  request,  with any loss  payable to the Bank to the
extent of its interest and with the commitment of the insurer to notify the Bank
before cancellation;

         (viii)  pay when due or  reimburse  the Bank on demand for all costs of
collection of the Obligations and all other out-of-pocket expenses (including in
each case all  reasonable  attorney's  fees)  incurred by the Bank in connection
with this  Agreement and the  Obligations,  including  expenses  incurred in any
litigation or bankruptcy proceedings;



<PAGE>



         (ix) prevent the Collateral from being used or kept in violation of all
applicable law;

         (x) obtain a waiver or consent from the owner and any  mortgagee of any
real  property  where the  Collateral  may be  located  that  provides  that the
Security Interest will at all times be senior to any such interest or lien.

(g) If Borrower  breaches  any covenant or warranty in this  Agreement,  and the
breach or failure  continues  for a period of ten  calendar  days after the Bank
gives written notice (or, in the case of the agreement contained in clause (vii)
of Section 2(f), immediately upon the occurrence of such failure, without notice
or lapse of  time),  the Bank may in its  discretion  perform  or  observe  such
agreements in the  Borrower's or the Bank's name, and may take any other actions
which the Bank deems  necessary to cure or correct such failure.  Borrower shall
reimburse  the Bank on demand for all costs and expenses  (including  reasonable
attorneys'   fees)  incurred  by  the  Bank  in  performing  or  observing  such
agreements.  If the Borrower  fails to reimburse the Bank upon demand,  the Bank
may cause such amounts to be advanced or added to any of the Obligations secured
hereunder,  which will bear interest at the highest rate provided under the note
designated for this purpose by the Bank at the time of the advance.

(h) Borrower  irrevocably  appoints the Bank or its delegate as attorney-in-fact
of Borrower  with the right (but not the duty) to execute,  deliver,  endorse or
file,  in the  name and on  behalf  of  Borrower,  any  instruments,  documents,
financing statements, applications for insurance or other agreements required of
Borrower under Section 2 at any time following an Event of Default. Following an
Event of  Default,  the Bank may in its  discretion  enforce  any  rights of the
Borrower  under any contract of insurance,  and in the  Borrower's or the Bank's
name, execute and deliver proofs of claim, receive payment of proceeds,  endorse
checks and other instruments  representing payment of such proceeds, and adjust,
litigate, compromise or release any claim against the issuer of any such policy.

3. EVENTS OF DEFAULT.  Each of the  following  occurrences  shall  constitute an
event of default under this Agreement (each an "Event of Default"):

(a) Borrower  defaults  under the terms of any of the  Obligations or any credit
agreement relating thereto; or

(b) Borrower  materially  fails to observe or perform any covenant  contained in
this Agreement; or

(c) any  representation  or warranty  made by the Borrower and set forth in this
Agreement is materially false or misleading.

4.  REMEDIES UPON EVENT OF DEFAULT.  Upon the  occurrence of an Event of Default
and at any  time  thereafter,  the  Bank  may  exercise  any  one or more of the
following rights and remedies:

(a) declare all unmatured Obligations to be immediately due and payable, without
presentment or other notice or demand;

(b) exercise  all rights  available  upon  default to a secured  party under the
Uniform  Commercial  Code. The Bank may require  Borrower to make the Collateral
available  to the  Bank  at a  place  to be  designated  by the  Bank  which  is
reasonably convenient to both parties, and if notice to Borrower of any intended
disposition of Collateral or any other  intended  action is required by law in a
particular  instance,  such notice shall be deemed  commercially  reasonable  if
given in the manner  specified in this Agreement at least 10 calendar days prior
to the date of any  public  sale or  disposition  or the date  after  which  any
private sale may occur;

(c) exercise  any or all other rights  available to the Bank by law or agreement
against the Collateral, the Borrower or any other person or property.



<PAGE>



The Bank shall not be obligated to preserve any rights Borrower may have against
prior  parties,  to  liquidate  or  realize on the  Collateral  at all or in any
particular  manner or order,  or apply any cash  proceeds of  Collateral  in any
particular order.

5. OTHER PERSONAL PROPERTY.  Unless at the time the Bank takes possession of any
tangible Collateral,  or at any time within seven days thereafter,  the Borrower
gives the Bank  written  notice of the  existence  of property  belonging to the
Borrower that does not constitute Collateral, but which is located or found upon
or within such  Collateral,  together with a description of such  property,  the
Bank shall not be  responsible  or liable to the  Borrower  with respect to such
property unless it has actual knowledge of its existence and location upon or in
such Collateral.

6. LOCK BOX, COLLATERAL  ACCOUNT.  Upon the Bank's request following an Event of
Default, the Borrower will direct each obligor on an account to make payments to
a special  lock box under the  control  of the  Bank.  Borrower  authorizes  and
directs the Bank to deposit into a special  collateral account to be established
and maintained with the Bank all checks,  drafts and cash payments,  received in
said  lock  box.  All  deposits  to this  collateral  account  shall  constitute
Collateral and shall not constitute  payment of any  Obligation.  At its option,
the Bank may, at any time,  apply  collected  funds on deposit in the collateral
account to the payment of the  Obligations  in such order of  application as the
Bank may  determine,  or permit  the  Borrower  to  withdraw  all or part of the
balance of the  collateral  account.  If a  collateral  account is  established,
Borrower  agrees that it will promptly  deliver to the Bank for deposit into the
collateral  account  all  payments  on  Accounts.  All  such  payments  shall be
delivered to the Bank in the form received  (except for  Borrower's  endorsement
where necessary). Until deposited, all payments on Accounts received by Borrower
shall be held in trust by the  Borrower as the  property of the Bank,  and shall
not be commingled with any funds or property of the Borrower.

7. COLLECTION RIGHTS OF THE BANK. In addition to its rights under Sections 4 and
6, the Bank may, at any time  following an Event of Default,  notify any account
obligor or any other  person  obligated to pay any amount due with respect to an
Account to make payment directly to the Bank. Upon the Bank's request,  Borrower
will notify such account  obligors and other  obligors in writing and will state
on all invoices to such account  obligors or other  obligors that the amount due
is payable  directly to the Bank.  At any time after the Bank or Borrower  gives
such  notice to an  account  obligor  or other  obligor,  the Bank  may,  in its
discretion,  and in its own name or in Borrower's name, demand, sue for, collect
or receive any money or property at any time  payable or  receivable  on account
of, or securing,  any such chattel paper, account, or other right to payment, or
grant any  extension to, make any  compromise  or  settlement  with or otherwise
agree to waive or change the obligations  (including collateral  obligations) of
any such account obligor or other obligor.

8.  AMENDMENTS.  This  Agreement can be waived,  amended or  terminated  and the
Security  Interest  released,  only in an express  writing signed by the Bank. A
waiver signed by the Bank shall be effective  only in the specific  instance and
for the specific purpose given.

9. NO WAIVER;  CUMULATIVE  REMEDIES.  Delay or failure to act shall not preclude
the exercise or enforcement of any of the Bank's rights or remedies.  All rights
of the Bank shall be cumulative and may be exercised singularly or concurrently,
at the Bank's  option,  and the  exercise of any one such right or remedy  shall
neither be a condition to nor bar the exercise or enforcement of any other.

10.  NOTICES.  All notices to be given to Borrower shall be deemed  sufficiently
given if delivered or mailed to the Borrower at the above address or at the most
recent address shown on the Bank's records.

11. BINDING EFFECT;  ASSIGNMENT.  This Agreement shall be binding upon and inure
to  the  benefit  of  Borrower  and  the  Bank  and  their   respective   heirs,
representatives,  successors  and  assigns  and shall take effect when signed by
Borrower and delivered to the Bank. A photographic or other reproduction of this
Agreement or of any financing  statement  signed by the Borrower  shall have the
same force and effect as the original.


<PAGE>



12.  APPLICABLE LAW;  SEVERABILITY.  Except to the extent otherwise  required by
law,  this  Agreement  shall be  governed  by the laws of the state in which the
Bank's main office is located. If any provision or application of this Agreement
is unenforceable in any respect,  such  unenforceability  shall not affect other
provisions of this Agreement.

13.  SURVIVAL  OF  REPRESENTATIONS  AND  WARRANTIES.   All  representations  and
warranties contained in this Agreement shall survive the execution, delivery and
performance of this Agreement and the creation and payment of the Obligations.

14. INTEGRATION.  This Agreement represents the entire understanding of the Bank
and Borrower with respect to the  Collateral  and  supersedes  all prior oral or
written agreements between the parties relating to the Collateral.

         IN WITNESS WHEREOF,  this Agreement was executed the day and year first
above written.

                                            AEQUITRON MEDICAL, INC.


                                            By: /s/ William M. Milne

                                            Title: Chief Financial Officer





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