Document:

<PAGE>

                                                                    EXHIBIT 10.6

                              SECOND AMENDMENT TO
                                AMX CORPORATION
                       1996 EMPLOYEE STOCK PURCHASE PLAN

1.  On September 12, 1995, AMX Corporation, a Texas corporation (the "Company"),
adopted the AMX Corporation 1996 Employee Stock Purchase Plan (the "Plan"), as
amended by that certain First Amendment to the Plan as adopted by the Board of
Directors on July 17, 2001.  The Company desires to further amend the Plan as
set forth herein.

2.  Section 12(a) is hereby amended and restated to provide in its entirety as
follows:

    12.  Stock
         -----

(a)  The maximum number of shares of the Company's Common Stock that shall be
     made available for sale under the Plan shall be 500,000 shares (such number
     has been determined after the September Stock Split), subject to adjustment
     as provided in Section 18 hereof.  If on a given Exercise Date the number
     of shares of Common Stock with respect to which Options are to be exercised
     exceeds the number of shares of Common Stock then available under the Plan,
     the Administrative Committee shall make a pro rata allocation of the shares
     remaining available for purchase in as uniform and nondiscriminatory a
     manner as shall be practicable and as it shall determine to be equitable
     and in compliance with Section 423 of the Code.  The payroll deductions of
     each Participant shall be refunded to the extent they are in excess of the
     Purchase Price of the shares of Common Stock allocated to such Participant.

3.  The remaining terms and provisions of the Plan shall continue in full force
and effect.

4.  This Second Amendment to the Plan was adopted by the (a) Board of Directors
on July 17, 2001 and (b) the shareholders on August 22, 2001.<PAGE>

                                                                   EXHIBIT 10.30

--------------------------------------------------------------------------------
                          LOAN AND SECURITY AGREEMENT
                              NOVOSTE CORPORATION
--------------------------------------------------------------------------------
<PAGE>

<TABLE>
<CAPTION>

                               TABLE OF CONTENTS
<C>                <S>                                                                       <C>

                                                                                              Page
                                                                                              ----
                1  ACCOUNTING AND OTHER TERMS..............................................     4
               --  --------------------------

                2  LOAN AND TERMS OF PAYMENT...............................................     4
               --  -------------------------
              2.1  Promise to Pay..........................................................     4
              2.2  Overadvances............................................................     5
              2.3  Interest Rate, Payments.................................................     5
              2.4  Fees....................................................................     6

                3  CONDITIONS OF LOANS.....................................................     6
               --  -------------------
              3.1  Conditions Precedent to Initial Credit Extension........................     6
              3.2  Conditions Precedent to all Credit Extensions...........................     6

                4  CREATION OF SECURITY INTEREST...........................................     6
               --  -----------------------------
              4.1  Grant of Security Interest..............................................     6

                5  REPRESENTATIONS AND WARRANTIES..........................................     6
               --  ------------------------------
              5.1  Due Organization and Authorization......................................     6
              5.2  Collateral..............................................................     7
              5.3  Litigation..............................................................     7
              5.4  No Material Adverse Change in Financial Statements......................     7
              5.5  Solvency................................................................     7
              5.6  Regulatory Compliance...................................................     7
              5.7  Subsidiaries............................................................     8
              5.8  Full Disclosure.........................................................     8

                6  AFFIRMATIVE COVENANTS...................................................     8
               --  ---------------------
              6.1  Government Compliance...................................................     8
              6.2  Financial Statements, Reports, Certificates.............................     8
              6.3  Inventory; Returns......................................................     9
              6.4  Taxes...................................................................     9
              6.5  Insurance...............................................................     9
              6.6  Primary Accounts........................................................     9
              6.7  Financial Covenants.....................................................     9
              6.8  Further Assurances......................................................    10

                7  NEGATIVE COVENANTS......................................................    10
               --  ------------------
              7.1  Dispositions............................................................    10
              7.2  Changes in Business, Ownership, Management or Locations of Collateral...    10
              7.3  Mergers or Acquisitions.................................................    10
              7.4  Indebtedness............................................................    10
              7.5  Encumbrance.............................................................    10
              7.6  Distributions; Investments..............................................    11
              7.7  Transactions with Affiliates............................................    11
              7.8  Subordinated Debt.......................................................    11
              7.9  Compliance..............................................................    11

                8  EVENTS OF DEFAULT.......................................................    11
               --  -----------------
              8.1  Payment Default.........................................................    11
              8.2  Covenant Default........................................................    11
              8.3  Material Adverse Change.................................................    12
              8.4  Attachment..............................................................    12
</TABLE>

                                       2

<PAGE>

<TABLE>
<CAPTION>

              <S>                                                                             <C>
              8.5  Insolvency..............................................................    12
              8.6  Other Agreements........................................................    12
              8.7  Judgments...............................................................    12
              8.8  Misrepresentations......................................................    12

                9  BANK'S RIGHTS AND REMEDIES..............................................    12
               --  --------------------------
              9.1  Rights and Remedies.....................................................    12
              9.2  Power of Attorney.......................................................    13
              9.3  Accounts Collection.....................................................    13
              9.4  Bank Expenses...........................................................    13
              9.5  Bank's Liability for Collateral.........................................    13
              9.6  Remedies Cumulative.....................................................    14
              9.7  Demand Waiver...........................................................    14

               10  NOTICES.................................................................    14
               --  -------

               11  CHOICE OF LAW, VENUE AND JURY TRIAL WAIVER..............................    14
               --  ------------------------------------------

               12  GENERAL PROVISIONS......................................................    14
               --  ------------------
             12.1  Successors and Assigns..................................................    14
             12.2  Indemnification.........................................................    14
             12.3  Time of Essence.........................................................    15
             12.4  Severability of Provision...............................................    15
             12.5  Amendments in Writing, Integration......................................    15
             12.6  Counterparts............................................................    15
             12.7  Survival................................................................    15
             12.8  Confidentiality.........................................................    15
             12.9  Attorneys' Fees, Costs and Expenses.....................................    15

               13  DEFINITIONS.............................................................    15
               --  -----------
             13.1  Definitions.............................................................    16
</TABLE>
<PAGE>

     This LOAN AND SECURITY AGREEMENT dated August 1, 2001, between SILICON
VALLEY BANK ("Bank"), whose address is 3003 Tasman Drive, Santa Clara,
California 95054 with a loan production office located at 3343 Peachtree Road,
N.E., Atlanta, Georgia  30326 and NOVOSTE CORPORATION ("Borrower"), whose
address is 3890 Steve Reynolds Blvd., Norcross, Georgia  30093 provides the
terms on which Bank will lend to Borrower and Borrower will repay Bank. The
parties agree as follows:

1      ACCOUNTING AND OTHER TERMS
       --------------------------

       Accounting terms not defined in this Agreement will be construed
following GAAP. Calculations and determinations must be made following GAAP. The
term "financial statements" includes the notes and schedules. The terms
"including" and "includes" always mean "including (or includes) without
limitation," in this or any Loan Document.

2      LOAN AND TERMS OF PAYMENT
       -------------------------

2.1    Promise to Pay.

       Borrower promises to pay Bank the unpaid principal amount of all Credit
Extensions and interest on the unpaid principal amount of the Credit Extensions
on such dates, and at such rates, as set forth in this Agreement.

2.1.1  Revolving Advances.

       (a) Bank will make Advances not exceeding (i) the lesser of (A) the
Committed Revolving Line or (B) the Borrowing Base, minus (ii) the amount of all
outstanding Letters of Credit (including drawn but unreimbursed Letters of
Credit) and minus (iii) the Cash Management Services Sublimit. Amounts borrowed
under this Section may be repaid and reborrowed during the term of this
Agreement.

       (b) To obtain an Advance, Borrower must notify Bank by facsimile or
telephone by 12:00 p.m. Eastern time on the Business Day the Advance is to be
made. Borrower must promptly confirm the notification by faxing to Bank the
Payment/Advance Form attached as Exhibit B. Bank will credit Advances to
Borrower's deposit account. Bank may make Advances under this Agreement based on
instructions from a Responsible Officer or his or her designee or without
instructions if the Advances are necessary to meet Obligations which have become
due. Bank may rely on any telephone notice given by a person whom Bank believes
is a Responsible Officer or designee. Borrower will indemnify Bank for any loss
Bank suffers due to such reliance.

       (c) The Committed Revolving Line terminates on the Revolving Maturity
Date, when all Advances are immediately payable.

2.1.2  Letters of Credit Sublimit.

       Bank will issue or have issued Letters of Credit for Borrower's account
not exceeding (i) the lesser of the Committed Revolving Line or the Borrowing
Base minus (ii) the outstanding principal balance of the Advances and minus
(iii) the Cash Management Sublimit; however, the face amount of outstanding
Letters of Credit (including drawn but unreimbursed Letters of Credit) may not
exceed $500,000. Each Letter of Credit will have an expiry date of no later than
180 days after the Revolving Maturity Date, but Borrower's reimbursement
obligation will be secured by cash on terms acceptable to Bank at any time after
the Revolving Maturity Date if the term of this Agreement is not extended by
Bank. Borrower agrees to execute any further documentation in connection with
the Letters of Credit as Bank may reasonably request.

                                       4
<PAGE>

2.1.3    Cash Management Services Sublimit.

         Borrower may use up to $500,000 for Bank's Cash Management Services,
which may include merchant services, direct deposit of payroll, business credit
card, and check cashing services identified in various cash management services
agreements related to such services (the "Cash Management Services"). All
amounts Bank pays for any Cash Management Services will be treated as Advances
under the Committed Revolving Line.

2.2      Overadvances.

         If the aggregated Borrower's Obligations under Section 2.1.1, 2.1.2 and
2.1.3 exceed the lesser of either (i) the Committed Revolving Line or (ii) the
Borrowing Base, Borrower must immediately pay Bank the excess. At no time shall
the Borrower's Obligations under Section 2.1.2 and 2.1.3 exceed $500,000 in the
aggregate.

2.3      Interest Rate, Payments.

         (a) Interest Rate. Advances accrue interest on the outstanding
principal balance at a per annum rate of 1 percentage point above the Prime
Rate. At such time as Borrower achieves 3 consecutive months of Profitability,
the interest rate shall be decreased to a rate equal to the Prime Rate. The
effective date of such interest rate change, will be the first day of the month
following Bank's receipt of Borrower's financial statements showing that
Borrower has met the above described criteria for such interest rate change.
After an Event of Default, Obligations accrue interest at 5 percent above the
rate effective immediately before the Event of Default. The interest rate
increases or decreases when the Prime Rate changes. Interest is computed on a
360 day year for the actual number of days elapsed.

         (b) Payments. Interest due on the Committed Revolving Line is payable
on the 1st of each month. Bank may debit any of Borrower's deposit accounts
including Account Number _____________________________ for principal and
interest payments owing or any amounts Borrower owes Bank. Bank will promptly
notify Borrower when it debits Borrower's accounts. These debits are not a set-
off. Payments received after 12:00 noon Eastern time are considered received at
the opening of business on the next Business Day. When a payment is due on a day
that is not a Business Day, the payment is due the next Business Day and
additional fees or interest accrue.

         (c) Agreements Regarding Interest and Other Charges.  Borrower and the
Bank agree that the only changes imposed or to be imposed by Bank upon Borrower
for the use of money in connection with the Obligations is and will be the
interest required to be paid under the provisions of this Agreement as well as
the related provisions of the Loan Documents.  The amount of interest due and
payable under this Agreement or the Loan Documents will not exceed the maximum
rate of interest allowed by applicable law and, if any payment is made by
Borrower or received by Bank in excess of such payment, such sum shall be
credited as a payment of principal.  It is the express intent that Borrower not
pay and the Bank not receive, directly or indirectly or in any manner, interest
in excess of that which may be lawfully paid under applicable law.  All interest
and other charges, fees or other amounts deemed to be interest which are paid or
agreed to be paid to Bank under this Agreement or the Loan Documents shall, to
the maximum extent permitted by applicable law, be amortized, allocated and
spread on a pro-rata basis throughout the entire actual term of the Obligations.
            --------
Any and all fees payable under this Agreement are not intended, and will not be
deemed to be interest or a charge for use of money, but rather will constitute
an "other charge" within the meaning of O.C.G.A. 7-4-2(a)(1).

                                       5
<PAGE>

2.4  Fees.

     Borrower will pay:

     (a) Facility Fee. A fully earned, non-refundable Facility Fee of $30,000
due on the Closing Date; and

     (b) Bank Expenses. All Bank Expenses (including reasonable attorneys' fees
and reasonable expenses) incurred through and after the date of this Agreement,
are payable when due.

3     CONDITIONS OF LOANS
      -------------------

3.1   Conditions Precedent to Initial Credit Extension.

      Bank's obligation to make the initial Credit Extension is subject to the
condition precedent that:

      (a)  Bank receives the agreements, documents and fees it requires, and

      (b)  Bank completes a Collateral audit with results satisfactory to Bank.

3.2   Conditions Precedent to all Credit Extensions.

      Bank's obligations to make each Credit Extension, including the initial
Credit Extension, is subject to the following:

      (a)  timely receipt of any Payment/Advance Form; and

      (b) the representations and warranties in Section 5 must be materially
true on the date of the Payment/Advance Form and on the effective date of each
Credit Extension and no Event of Default may have occurred and be continuing, or
result from the Credit Extension. Each Credit Extension is Borrower's
representation and warranty on that date that the representations and warranties
of Section 5 remain true.

4     CREATION OF SECURITY INTEREST
      -----------------------------

4.1   Grant of Security Interest.

      Borrower grants Bank a continuing security interest in all presently
existing and later acquired Collateral to secure all Obligations and performance
of each of Borrower's duties under the Loan Documents.  Except for Permitted
Liens, any security interest will be a first priority security interest in the
Collateral.  Bank may place a "hold" on any deposit account pledged as
Collateral. If this Agreement is terminated, Bank's lien and security interest
in the Collateral will continue until Borrower fully satisfies its Obligations.

5     REPRESENTATIONS AND WARRANTIES
      ------------------------------

      Borrower represents and warrants as follows:

5.1   Due Organization and Authorization.

      Borrower and each Subsidiary is duly existing and in good standing in its
state of formation and qualified and licensed to do business in, and in good
standing in, any state or country in which the conduct of its business or its
ownership of property requires that it be

                                       6
<PAGE>

qualified, except where the failure to do so could not reasonably be expected to
cause a Material Adverse Change. Borrower has not changed its state of formation
or its organizational structure or type or any organizational number (if any)
assigned by its jurisdiction of formation.

     The execution, delivery and performance of the Loan Documents have been
duly authorized, and do not conflict with Borrower's formation documents, nor
constitute an event of default under any material agreement by which Borrower is
bound.  Borrower is not in default under any agreement to which or by which it
is bound in which the default could reasonably be expected to cause a Material
Adverse Change.

5.2  Collateral.

     Borrower has good title to the Collateral, free of Liens except Permitted
Liens.   Borrower has no other deposit account, other than the deposit accounts
described in Schedule 1.  The Accounts are bona fide, existing obligations, and
the service or property has been performed or delivered to the account debtor or
its agent for immediate shipment to and unconditional acceptance by the account
debtor.   The Collateral is not in the possession of any third party bailee
(such as at a warehouse).  In the event that Borrower, after the date hereof,
intends to store or otherwise deliver the Collateral to such a bailee, then
Borrower will receive the prior written consent of Bank and such bailee must
acknowledge in writing that the bailee is holding such Collateral for the
benefit of Bank. Borrower has no notice of any actual or imminent Insolvency
Proceeding of any account debtor whose accounts are an Eligible Account in any
Borrowing Base Certificate.  All Inventory is in all material respects of good
and marketable quality, free from material defects.

5.3  Litigation.

     Except as shown in Schedule 2, there are no actions or proceedings pending
or, to the knowledge of Borrower's Responsible Officers and legal counsel,
threatened by or against Borrower or any Subsidiary in which a likely adverse
decision could reasonably be expected to cause a Material Adverse Change.

5.4  No Material Adverse Change in Financial Statements.

     All consolidated financial statements for Borrower, and any Subsidiary,
delivered to Bank fairly present in all material respects Borrower's
consolidated financial condition and Borrower's consolidated results of
operations.  There has not been any material deterioration in Borrower's
consolidated financial condition since the date of the most recent financial
statements submitted to Bank.

5.5  Solvency.

     The fair salable value of Borrower's assets (including goodwill minus
disposition costs) exceeds the fair value of its liabilities; the Borrower is
not left with unreasonably small capital after the transactions in this
Agreement; and Borrower is able to pay its debts (including trade debts) as they
mature.

5.6  Regulatory Compliance.

     Borrower is not an "investment company" or a company "controlled" by an
"investment company" under the Investment Company Act.  Borrower is not engaged
as one of its important activities in extending credit for margin stock (under
Regulations T and U of the Federal Reserve Board of Governors).  Borrower has
complied in all material respects with the Federal Fair Labor Standards Act.
Borrower has not violated any laws, ordinances or rules, the violation of which
could reasonably be expected to cause a Material Adverse Change.  None of
Borrower's or any Subsidiary's properties or assets has been used by Borrower or
any Subsidiary or, to the best of

                                       7
<PAGE>

Borrower's knowledge, by previous Persons, in disposing, producing, storing,
treating, or transporting any hazardous substance other than legally. Borrower
and each Subsidiary has timely filed all required tax returns and paid, or made
adequate provision to pay, all material taxes, except those being contested in
good faith with adequate reserves under GAAP. Borrower and each Subsidiary has
obtained all consents, approvals and authorizations of, made all declarations or
filings with, and given all notices to, all government authorities that are
necessary to continue its business as currently conducted, except where the
failure to do so could not reasonably be expected to cause a Material Adverse
Change.

5.7  Subsidiaries.

     Borrower does not own any stock, partnership interest or other equity
securities except for Permitted Investments.

5.8  Full Disclosure.

     No written representation, warranty or other statement of Borrower in any
certificate or written statement given to Bank (taken together with all such
written certificates and written statements to Bank) contains any untrue
statement of a material fact or omits to state a material fact necessary to make
the statements contained in the certificates or statements not misleading.  It
being recognized by Bank that the projections and forecasts provided by Borrower
in good faith and based upon reasonable assumptions are not viewed as facts and
that actual results during the period or periods covered by such projections and
forecasts may differ from the projected and forecasted results.

6    AFFIRMATIVE COVENANTS
     ---------------------

     Borrower will do all of the following for so long as Bank has an
obligations to lend, or there are outstanding Obligations:

6.1  Government Compliance.

     Borrower will maintain its and all Subsidiaries' legal existence and good
standing in its jurisdiction of formation and maintain qualification in each
jurisdiction in which the failure to so qualify would reasonably be expected to
cause a Material Adverse Change.  Borrower will comply, and have each Subsidiary
comply, with all laws, ordinances and regulations to which it is subject,
noncompliance with which could reasonably be expected to cause a Material
Adverse Change.

6.2  Financial Statements, Reports, Certificates.

     (a) Borrower will deliver to Bank: (i) as soon as available, but no later
than 30 days after the last day of each month, a company prepared consolidated
balance sheet and income statement covering Borrower's consolidated operations
during the period certified by a Responsible Officer and in a form acceptable to
Bank; (ii) as soon as available, but no later than 90 days after the last day of
Borrower's fiscal year, audited consolidated financial statements prepared under
GAAP, consistently applied, together with an unqualified opinion on the
financial statements from an independent certified public accounting firm
reasonably acceptable to Bank; (iii) within 5 days of filing, copies of all
statements, reports and notices made available to Borrower's security holders or
to any holders of Subordinated Debt and reports on Form 10-K and 10-Q filed with
the Securities and Exchange Commission; (iv) a prompt report of any legal
actions pending or threatened against Borrower or any Subsidiary that could
reasonably be expected to result in damages or costs to Borrower or any
Subsidiary of $100,000 or more; (v) budgets, sales projections, operating plans
or other financial information Bank reasonably requests.

                                       8
<PAGE>

     (b) Within 30 days after the last day of each month, when Advances are
outstanding or prior to an Advance when no Advances are outstanding, Borrower
will deliver to Bank a Borrowing Base Certificate signed by a Responsible
Officer in the form of Exhibit C, with aged listings of accounts receivable.

     (c) Within 30 days after the last day of each month and within 45 days
after the last day of each quarter, Borrower will deliver to Bank a Compliance
Certificate signed by a Responsible Officer in the form of Exhibit D.

     (d) Allow Bank to audit Borrower's Collateral at Borrower's expense. The
initial audit will  be conducted within 60 days of the Closing Date or prior to
the initial Advance and all subsequent audits will be conducted no more often
than every year unless an Event of Default has occurred and is continuing.

6.3  Inventory; Returns.

     Borrower will keep all Inventory in good and marketable condition, free
from material defects.  Returns and allowances between Borrower and its account
debtors will follow Borrower's customary practices as they exist at execution of
this Agreement.  Borrower must promptly notify Bank of all returns, recoveries,
disputes and claims, that involve more than $100,000.

6.4  Taxes.

     Borrower will make, and cause each Subsidiary to make, timely payment of
all material federal, state, and local taxes or assessments and will deliver to
Bank, on demand, appropriate certificates attesting to the payment.

6.5  Insurance.

     Borrower will keep its business and the Collateral insured for risks and in
amounts, as Bank may reasonably request.  Insurance policies will be in a form,
with companies, and in amounts that are satisfactory to Bank in Bank's
reasonable discretion.  All property policies will have a lender's loss payable
endorsement showing Bank as an additional loss payee and all liability policies
will show the Bank as an additional insured and provide that the insurer must
give Bank at least 20 days notice before canceling its policy.  At Bank's
request, Borrower will deliver certified copies of policies and evidence of all
premium payments.  Proceeds payable under any policy will, at Bank's option, be
payable to Bank on account of the Obligations.

6.6  Primary Accounts.

     Borrower will maintain its primary banking relationship with Bank, which
relationship shall include Borrower maintaining account balances in any accounts
at or through Bank representing at least 50% of all account balances of Borrower
at any financial institution.

6.7  Financial Covenants.

     Borrower will maintain as of the last day of each month:

          (i) Quick Ratio (Adjusted).  A ratio of Quick Assets to Current
Liabilities minus Deferred Maintenance Revenue of at least 1.75 to 1.00.

          (ii) Tangible Net Worth.  A Tangible Net Worth of at least $42,500,000
plus 25% of proceeds from any stock offering through the month ending December
31, 2001, increasing to $55,000,000 plus 25% of proceeds from any stock offering
beginning with the month ending January 31, 2002 and thereafter.

                                       9
<PAGE>

For calculation purposes, "Tangible Net Worth" is stockholder's equity plus
Subordinated Debt less intangible assets.

6.8  Further Assurances.

     Borrower will execute any further instruments and take further action as
Bank reasonably requests to perfect or continue Bank's security interest in the
Collateral or to effect the purposes of this Agreement.

7    NEGATIVE COVENANTS
     ------------------

     Borrower will not do any of the following without Bank's prior written
consent, which will not be unreasonably withheld, for so long as Bank has an
obligation to lend and there are any outstanding Obligations:

7.1  Dispositions.

     Convey, sell, lease, transfer or otherwise dispose of (collectively
"Transfer"), or permit any of its Subsidiaries to Transfer, all or any part of
its business or property, except for Transfers (i) of Inventory in the ordinary
                          ------ ---
course of business; (ii) of non-exclusive licenses and similar arrangements for
the use of the property of Borrower or its Subsidiaries in the ordinary course
of business; or (iii) of worn-out or obsolete Equipment.

7.2  Changes in Business, Ownership, Management or Locations of Collateral.

     Engage in or permit any of its Subsidiaries to engage in any business other
than the businesses currently engaged in by Borrower or reasonably related
thereto or have a material change in its ownership or management of greater than
40% (other than by the sale of Borrower's equity securities in a public offering
or to venture capital investors so long as Borrower identifies the venture
capital investors prior to the closing of the investment).  Borrower will not,
without at least 30 days prior written notice, relocate its chief executive
office, change its state of formation (including reincorporation), change its
organizational number or name or add any new offices or business locations (such
as warehouses) in which Borrower maintains or stores over $5,000 in Collateral.

7.3  Mergers or Acquisitions.

     Merge or consolidate, or permit any of its Subsidiaries to merge or
consolidate, with any other Person, or acquire, or permit any of its
Subsidiaries to acquire, all or substantially all of the capital stock or
property of another Person, except where (i) no Event of Default has occurred
and is continuing or would result from such action during the term of this
Agreement; (ii) such transaction would not result in a decrease of more than 25%
of Tangible Net Worth and (iii) such transaction would not result in a change of
                      ---
ownership of greater than 35% of Borrower outstanding shares.  A Subsidiary may
merge or consolidate into another Subsidiary or into Borrower.

7.4  Indebtedness.

     Create, incur, assume, or be liable for any Indebtedness, or permit any
Subsidiary to do so, other than Permitted Indebtedness.

7.5  Encumbrance.

     Create, incur, or allow any Lien on any of its property, or assign or
convey any right to receive income, including the sale of any Accounts, or
permit any of its Subsidiaries to do so,

                                      10
<PAGE>

except for Permitted Liens, or permit any Collateral not to be subject to the
first priority security interest granted here, subject to Permitted Liens.

7.6  Distributions; Investments.

     Directly or indirectly acquire or own any Person, or make any Investment in
any Person, other than Permitted Investments, or permit any of its Subsidiaries
to do so.  Pay any dividends or make any distribution or payment or redeem,
retire or purchase any capital stock.

7.7  Transactions with Affiliates.

     Directly or indirectly enter into or permit to exist any material
transaction with any Affiliate of Borrower except for transactions that are in
the ordinary course of Borrower's business, upon fair and reasonable terms that
are no less favorable to Borrower than would be obtained in an arm's length
transaction with a nonaffiliated Person.

7.8  Subordinated Debt.

     Make or permit any payment on any Subordinated Debt, except under the terms
of the Subordinated Debt, or amend any provision in any document relating to the
Subordinated Debt without Bank's prior written consent.

7.9  Compliance.

     Become an "investment company" or a company controlled by an "investment
company," under the Investment Company Act of 1940 or undertake as one of its
important activities extending credit to purchase or carry margin stock, or use
the proceeds of any Credit Extension for that purpose; fail to meet the minimum
funding requirements of ERISA, permit a Reportable Event or Prohibited
Transaction, as defined in ERISA, to occur; fail to comply with the Federal Fair
Labor Standards Act or violate any other law or regulation, if the violation
could reasonably be expected to have a material adverse effect on Borrower's
business or operations or would reasonably be expected to cause a Material
Adverse Change, or permit any of its Subsidiaries to do so.

8    EVENTS OF DEFAULT
     -----------------

     Any one of the following is an Event of Default:

8.1  Payment Default.

     If Borrower fails to pay any of the Obligations within 3 Business Days
after their due date.  During the additional period the failure to cure the
default is not an Event of Default (but no Credit Extension will be made during
the cure period);

8.2  Covenant Default.

     If Borrower does not perform any obligation in Section 6 or violates any
covenant in Section 7 or does not perform or observe any other material term,
condition or covenant in this Agreement, any Loan Documents, or in any agreement
between Borrower and Bank and as to any default under a term, condition or
covenant that can be cured, has not cured the default within 10 days after it
occurs, or if the default cannot be cured within 10 days or cannot be cured
after Borrower's attempts within 10 day period, and the default may be cured
within a reasonable time, then Borrower has an additional period (of not more
than 30 days) to attempt to cure the default.  During the additional time, the
failure to cure the default is not an Event of Default (but no Credit Extensions
will be made during the cure period);

                                      11
<PAGE>

8.3  Material Adverse Change.

     If there (i) occurs a material adverse change in the business, operations,
or condition (financial or otherwise) of the Borrower, or (ii) is a material
impairment of the prospect of repayment of any portion of the Obligations; or
(iii) is a material impairment of the value or priority of Bank's security
interests in the Collateral.

8.4  Attachment.

     If any material portion of Borrower's assets is attached, seized, levied
on, or comes into possession of a trustee or receiver and the attachment,
seizure or levy is not removed in 10 days, or if Borrower is enjoined,
restrained, or prevented by court order from conducting a material part of its
business or if a judgment or other claim becomes a Lien on a material portion of
Borrower's assets, or if a notice of lien, levy, or assessment is filed against
any of Borrower's assets by any government agency and not paid within 10 days
after Borrower receives notice.  These are not Events of Default if stayed or if
a bond is posted pending contest by Borrower (but no Credit Extensions will be
made during the cure period);

8.5  Insolvency.

     If Borrower becomes insolvent or if Borrower begins an Insolvency
Proceeding or an Insolvency Proceeding is begun against Borrower and not
dismissed or stayed within 30 days (but no Credit Extensions will be made before
any Insolvency Proceeding is dismissed);

8.6  Other Agreements.

     If there is a default in any agreement between Borrower and a third party
that gives the third party the right to accelerate any Indebtedness exceeding
$150,000 or that could cause a Material Adverse Change;

8.7  Judgments.

     If a money judgment(s) in the aggregate of at least $100,000 is rendered
against Borrower and is unsatisfied and unstayed for 10 days (but no Credit
Extensions will be made before the judgment is stayed or satisfied); or

8.8  Misrepresentations.

     If Borrower or any Person acting for Borrower makes any material
misrepresentation or material misstatement now or later in any warranty or
representation in this Agreement or in any writing delivered to Bank or to
induce Bank to enter this Agreement or any Loan Document.

9    BANK'S RIGHTS AND REMEDIES
     --------------------------

9.1  Rights and Remedies.

     When an Event of Default occurs and continues Bank may, without notice or
demand, do any or all of the following:

     (a) Declare all Obligations immediately due and payable (but if an Event of
Default described in Section 8.5 occurs all Obligations are immediately due and
payable without any action by Bank);

     (b) Stop advancing money or extending credit for Borrower's benefit under
this Agreement or under any other agreement between Borrower and Bank;

                                      12
<PAGE>

     (c) Settle or adjust disputes and claims directly with account debtors for
amounts, on terms and in any order that Bank considers advisable;

     (d) Make any payments and do any acts it considers necessary or reasonable
to protect its security interest in the Collateral. Borrower will assemble the
Collateral if Bank requires and make it available as Bank designates. Bank may
enter premises where the Collateral is located, take and maintain possession of
any part of the Collateral, and pay, purchase, contest, or compromise any Lien
which appears to be prior or superior to its security interest and pay all
expenses incurred. Borrower grants Bank a license to enter and occupy any of its
premises, without charge, to exercise any of Bank's rights or remedies;

     (e) Apply to the Obligations any (i) balances and deposits of Borrower it
holds, or (ii) any amount held by Bank owing to or for the credit or the account
of Borrower;

     (f) Ship, reclaim, recover, store, finish, maintain, repair, prepare for
sale, advertise for sale, and sell the Collateral; and

     (g) Dispose of the Collateral according to the Code.

9.2  Power of Attorney.

     Effective only when an Event of Default occurs and continues, Borrower
irrevocably appoints Bank as its lawful attorney to:  (i) endorse Borrower's
name on any checks or other forms of payment or security; (ii) sign Borrower's
name on any invoice or bill of lading for any Account or drafts against account
debtors, (iii) make, settle, and adjust all claims under Borrower's insurance
policies; (iv) settle and adjust disputes and claims about the Accounts directly
with account debtors, for amounts and on terms Bank determines reasonable; and
(v) transfer the Collateral into the name of Bank or a third party as the Code
permits.  Bank may exercise the power of attorney to sign Borrower's name on any
documents necessary to perfect or continue the perfection of any security
interest regardless of whether an Event of Default has occurred.  Bank's
appointment as Borrower's attorney in fact, and all of Bank's rights and powers,
coupled with an interest, are irrevocable until all Obligations have been fully
repaid and performed and Bank's obligation to provide Credit Extensions
terminates.

9.3  Accounts Collection.

     When an Event of Default occurs and continues, Bank may notify any Person
owing Borrower money of Bank's security interest in the funds and verify the
amount of the Account.  Borrower must collect all payments in trust for Bank
and, if requested by Bank, immediately deliver the payments to Bank in the form
received from the account debtor, with proper endorsements for deposit.

9.4  Bank Expenses.

     If Borrower fails to pay any amount or furnish any required proof of
payment to third persons, Bank may make all or part of the payment or obtain
insurance policies required in Section 6.5, and take any action under the
policies Bank deems prudent.  Any amounts paid by Bank are Bank Expenses and
immediately due and payable, bearing interest at the then applicable rate and
secured by the Collateral.  No payments by Bank are deemed an agreement to make
similar payments in the future or Bank's waiver of any Event of Default.

9.5  Bank's Liability for Collateral.

     If Bank complies with reasonable banking practices and Section 9-207 of the
Code, it is not liable for: (a) the safekeeping of the Collateral; (b) any loss
or damage to the Collateral; (c) any diminution in the value of the Collateral;
or (d) any act or default of any carrier,

                                      13
<PAGE>

warehouseman, bailee, or other person. Borrower bears all risk of loss, damage
or destruction of the Collateral.

9.6  Remedies Cumulative.

     Bank's rights and remedies under this Agreement, the Loan Documents, and
all other agreements are cumulative.  Bank has all rights and remedies provided
under the Code, by law, or in equity. Bank's exercise of one right or remedy is
not an election, and Bank's waiver of any Event of Default is not a continuing
waiver. Bank's delay is not a waiver, election, or acquiescence. No waiver is
effective unless signed by Bank and then is only effective for the specific
instance and purpose for which it was given.

9.7  Demand Waiver.

     Borrower waives demand, notice of default or dishonor, notice of payment
and nonpayment, notice of any default, nonpayment at maturity, release,
compromise, settlement, extension, or renewal of accounts, documents,
instruments, chattel paper, and guarantees held by Bank on which Borrower is
liable.

10   NOTICES
     -------

     All notices or demands by any party about this Agreement or any other
related agreement must be in writing and be personally delivered or sent by an
overnight delivery service, by certified mail, postage prepaid, return receipt
requested, or by telefacsimile to the addresses set forth at the beginning of
this Agreement.  A party may change its notice address by giving the other party
written notice.

11   CHOICE OF LAW, VENUE AND JURY TRIAL WAIVER
     ------------------------------------------

     Georgia law governs the Loan Documents. AS PERMITTED BY LAW, BORROWER AND
BANK EACH WAIVE THEIR RESPECTIVE RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF
ACTION ARISING OUT OF ANY OF THE LOAN DOCUMENTS OR ANY CONTEMPLATED
TRANSACTIONS.  EACH PARTY RECOGNIZES THAT THIS WAIVER IS A MATERIAL INDUCEMENT
FOR IT TO ENTER INTO THIS AGREEMENT. EACH PARTY REPRESENTS THAT IT HAS REVIEWED
THIS WAIVER WITH COUNSEL AND THAT IT KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY
TRIAL RIGHTS.  ANY LEGAL ACTION OR PROCEEDING ABOUT ANY OF THE LOAN DOCUMENTS OR
TO ENFORCE ANY JUDGMENT MAY BE BROUGHT IN ANY STATE OR FEDERAL COURT IN DE KALB
OR FULTON COUNTY, GEORGIA, OR ANY COURT THE JURISDICTION OF WHICH BORROWER OR
ANY OF ITS PROPERTY MAY BE SUBJECT.

12   GENERAL PROVISIONS
     ------------------

12.1 Successors and Assigns.

     This Agreement binds and is for the benefit of the successors and permitted
assigns of each party.  Borrower may not assign this Agreement or any rights
under it without Bank's prior written consent which may be granted or withheld
in Bank's discretion.  Bank has the right, without the consent of or notice to
Borrower, to sell, transfer, negotiate, or grant participation in all or any
part of, or any interest in, Bank's obligations, rights and benefits under this
Agreement.

12.2 Indemnification.

     Borrower will indemnify, defend and hold harmless Bank and its officers,
employees, and agents against:  (a) all obligations, demands, claims, and
liabilities asserted by any other party in connection with the transactions
contemplated by the Loan Documents; and (b) all losses or Bank

                                      14
<PAGE>

Expenses incurred, or paid by Bank from, following, or consequential to
transactions between Bank and Borrower (including reasonable attorneys fees and
expenses), except for losses caused by Bank's gross negligence or willful
misconduct.

12.3 Time of Essence.

     Time is of the essence for the performance of all obligations in this
Agreement.

12.4 Severability of Provision.

     Each provision of this Agreement is severable from every other provision in
determining the enforceability of any provision.

12.5 Amendments in Writing, Integration.

     All amendments to this Agreement must be in writing and signed by Borrower
and Bank.  This Agreement represents the entire agreement about this subject
matter, and supersedes prior negotiations or agreements.  All prior agreements,
understandings, representations, warranties, and negotiations between the
parties about the subject matter of this Agreement merge into this Agreement and
the Loan Documents.

12.6 Counterparts.

     This Agreement may be executed in any number of counterparts and by
different parties on separate counterparts, each of which, when executed and
delivered, are an original, and all taken together, constitute one Agreement.

12.7 Survival.

     All covenants, representations and warranties made in this Agreement
continue in full force while  any Obligations remain outstanding.  The
obligations of Borrower in Section 12.2 to indemnify Bank will survive until all
statutes of limitations for actions that may be brought against Bank have run.

12.8 Confidentiality.

     In handling any confidential information, Bank will exercise the same
degree of care that it exercises for its own proprietary information, but
disclosure of information may be made (i) to Bank's subsidiaries or affiliates
in connection with their business with Borrower, (ii) to prospective transferees
or purchasers of any interest in the loans (provided, however, Bank shall use
commercially reasonable efforts in obtaining such prospective transferee or
purchasers agreement of the terms of this provision), (iii) as required by law,
regulation, subpoena, or other order, (iv) as required in connection with Bank's
examination or audit and (v) as Bank considers appropriate exercising remedies
under this Agreement.  Confidential information does not include information
that either: (a) is in the public domain or in Bank's possession when disclosed
to Bank, or becomes part of the public domain after disclosure to Bank; or (b)
is disclosed to Bank by a third party, if Bank does not know that the third
party is prohibited from disclosing the information.

12.9 Attorneys' Fees, Costs and Expenses.

     In any action or proceeding between Borrower and Bank arising out of the
Loan Documents, the prevailing party will be entitled to recover its reasonable
attorneys' fees and other reasonable costs and expenses incurred, in addition to
any other relief to which it may be entitled.

13   DEFINITIONS
     -----------

                                      15
<PAGE>

13.1 Definitions.

     In this Agreement:

     "Accounts" are all existing and later arising accounts, contract rights,
and other obligations owed Borrower in connection with its sale or lease of
goods (including licensing software and other technology) or provision of
services, all credit insurance, guaranties, other security and  all merchandise
returned or reclaimed by Borrower and Borrower's Books relating to any of the
foregoing, as such definition may be amended from time to time according to the
Code.

     "Advance" or "Advances" is a loan advance (or advances) under the Committed
Revolving Line.

     "Affiliate" of a Person is a Person that owns or controls directly or
indirectly the Person, any Person that controls or is controlled by or is under
common control with the Person, and each of that Person's senior executive
officers, directors, partners and, for any Person that is a limited liability
company, that Person's managers and members.

     "Bank Expenses" are all audit fees and expenses and reasonable costs and
expenses (including reasonable attorneys' fees and expenses) for preparing,
negotiating, administering, defending and enforcing the Loan Documents
(including appeals or Insolvency Proceedings).

     "Borrower's Books" are all Borrower's books and records including ledgers,
records regarding Borrower's assets or liabilities, the Collateral, business
operations or financial condition and all computer programs or discs or any
equipment containing the information.

     "Borrowing Base" is 80% of Eligible Accounts as determined by Bank from
Borrower's most recent Borrowing Base Certificate; provided, however, that Bank
                                                   --------  -------
may lower the percentage of the Borrowing Base after performing an audit of
Borrower's Collateral.

     "Business Day" is any day that is not a Saturday, Sunday or a day on which
the Bank is closed.

     "Cash Management Services" are defined in Section 2.1.3.

     "Closing Date" is the date of this Agreement.

     "Code" is the Uniform Commercial Code, as applicable.

     "Collateral" is the property described on Exhibit A.
                                               ---------

     "Committed Revolving Line" is an Advance of up to $10,000,000.

     "Contingent Obligation" is, for any Person, any direct or indirect
liability, contingent or not, of that Person for (i) any indebtedness, lease,
dividend, letter of credit or other obligation of another such as an obligation
directly or indirectly guaranteed, endorsed, co-made, discounted or sold with
recourse by that Person, or for which that Person is directly or indirectly
liable; (ii) any obligations for undrawn letters of credit for the account of
that Person; and (iii) all obligations from any interest rate, currency or
commodity swap agreement, interest rate cap or collar agreement, or other
agreement or arrangement designated to protect a Person against fluctuation in
interest rates, currency exchange rates or commodity prices;  but "Contingent
Obligation" does not include endorsements in the ordinary course of business.
The amount of a Contingent Obligation is the stated or determined amount of the
primary obligation for which the Contingent Obligation is made or, if not
determinable, the maximum reasonably anticipated liability for it determined by

                                      16
<PAGE>

the Person in good faith; but the amount may not exceed the maximum of the
obligations under the guarantee or other support arrangement.

     "Credit Extension" is each Advance, Letter of Credit, or any other
extension of credit by Bank for Borrower's benefit.

     "Current Liabilities" are the aggregate amount of Borrower's Total
Liabilities which mature within one (1) year.

     "Deferred Maintenance Revenue" is all amounts received in advance of
performance under maintenance contract and not yet recognized as revenue.

     "Eligible Accounts" are Accounts in the ordinary course of Borrower's
business that meet all Borrower's representations and warranties in Section 5;

but Bank may change eligibility standards by giving Borrower notice.  Unless
---
Bank agrees otherwise in writing, Eligible Accounts will not include:

     (a) Accounts that the account debtor has not paid within 90 days of invoice
     date;

     (b) Accounts for an account debtor, 50% or more of whose Accounts have not
     been paid within 90 days of invoice date;

     (c) Credit balances over 90 days from invoice date;

     (d) Accounts for an account debtor, including Affiliates, whose total
     obligations to Borrower exceed 25% of all Accounts, for the amounts that
     exceed that percentage, unless the Bank approves in writing;

     (e) Accounts for which the account debtor does not have its principal place
     of business in the United States;

     (f) Accounts for which the account debtor is a federal, state or local
     government entity or any department, agency, or instrumentality;

     (g) Accounts for which Borrower owes the account debtor, but only up to the
     amount owed (sometimes called "contra" accounts, accounts payable, customer
     deposits or credit accounts);

     (h) Accounts for demonstration or promotional equipment, or in which goods
     are consigned, sales guaranteed, sale or return, sale on approval, bill and
     hold, or other terms if account debtor's payment may be conditional;

     (i) Accounts for which the account debtor is Borrower's Affiliate, officer,
     employee, or agent;

     (j) Accounts in which the account debtor disputes liability or makes any
     claim and Bank believes there may be a basis for dispute (but only up to
     the disputed or claimed amount), or if the Account Debtor is subject to an
     Insolvency Proceeding, or becomes insolvent, or goes out of business;

     (k) Accounts for which Bank reasonably determines collection to be
     doubtful.

       "Equipment" is all present and future machinery, equipment, tenant
improvements, furniture, fixtures, vehicles, tools, parts and attachments in
which Borrower has any interest.

       "ERISA" is the Employment Retirement Income Security Act of 1974, and its
regulations.

                                      17
<PAGE>

       "GAAP" is generally accepted accounting principles.

       "Indebtedness" is (a) indebtedness for borrowed money or the deferred
price of property or services, such as reimbursement and other obligations for
surety bonds and letters of credit, (b) obligations evidenced by notes, bonds,
debentures or similar instruments, (c) capital lease obligations and (d)
Contingent Obligations.

       "Insolvency Proceeding" are proceedings by or against any Person under
the United States Bankruptcy Code, or any other bankruptcy or insolvency law,
including assignments for the benefit of creditors, compositions, extensions
generally with its creditors, or proceedings seeking reorganization,
arrangement, or other relief.

       "Inventory" is present and future inventory in which Borrower has any
interest, including merchandise, raw materials, parts, supplies, packing and
shipping materials, work in process and finished products intended for sale or
lease or to be furnished under a contract of service, of every kind and
description now or later owned by or in the custody or possession, actual or
constructive, of Borrower, including inventory temporarily out of its custody or
possession or in transit and including returns on any accounts or other proceeds
(including insurance proceeds) from the sale or disposition of any of the
foregoing and any documents of title.

       "Investment" is any beneficial ownership of (including stock, partnership
interest or other securities) any Person, or any loan, advance or capital
contribution to any Person.

       "Letter of Credit" is defined in Section 2.1.2.

       "Lien" is a mortgage, lien, deed of trust, charge, pledge, security
interest or other encumbrance.

       "Loan Documents" are, collectively, this Agreement, any note, or notes or
guaranties executed by Borrower or Guarantor, and any other present or future
agreement between Borrower and/or for the benefit of Bank in connection with
this Agreement, all as amended, extended or restated.

       "Material Adverse Change" is defined in Section 8.3.

       "Obligations" are debts, principal, interest, Bank Expenses and other
amounts Borrower owes Bank now or later, including cash management services,
letters of credit and foreign exchange contracts, if any and including interest
accruing after Insolvency Proceedings begin and debts, liabilities, or
obligations of Borrower assigned to Bank.

       "Permitted Indebtedness" is:

     (a) Borrower's indebtedness to Bank under this Agreement or any other Loan
Document;

     (b) Indebtedness existing on the Closing Date and shown on the Schedule;

     (c)  Subordinated Debt;

     (d) Indebtedness to trade creditors incurred in the ordinary course of
business; and

     (e) Indebtedness secured by Permitted Liens.

       "Permitted Investments" are:

     (a) Investments shown on the Schedule and existing on the Closing Date; and

                                      18
<PAGE>

     (b) (i)  marketable direct obligations issued or unconditionally guaranteed
by the United States or its agency or any State maturing within 1 year from its
acquisition, (ii) commercial paper maturing no more than 1 year after its
creation and having the highest rating from either Standard & Poor's Corporation
or Moody's Investors Service, Inc., (iii) Bank's certificates of deposit issued
maturing no more than 1 year after issue, and (iv) any Investments permitted by
Borrower's investment policy, as amended from time to time, provided that such
investment policy (and any such amendment thereto) has been approved by Bank.

       "Permitted Liens" are:

     (a) Liens existing on the Closing Date and shown on the Schedule or arising
under this Agreement or other Loan Documents;

     (b) Liens for taxes, fees, assessments or other government charges or
levies, either not delinquent or being contested in good faith and for which
Borrower maintains adequate reserves on its Books, if they have no priority over
                                                   --
any of Bank's security interests;

     (c) Purchase money Liens (i) on Equipment acquired or held by Borrower or
its Subsidiaries incurred for financing the acquisition of the Equipment, or
(ii) existing on equipment when acquired, if the Lien is confined to the
                                          --
property and improvements and the proceeds of the equipment;

     (d) Licenses or sublicenses granted in the ordinary course of Borrower's
business and any interest or title of a licensor or under any license or
sublicense, if the licenses and sublicenses permit granting Bank a security
            --
interest;

     (e) Leases or subleases granted in the ordinary course of Borrower's
business, including in connection with Borrower's leased premises or leased
property;

     (f) Liens incurred in the extension, renewal or refinancing of the
indebtedness secured by Liens described in (a) through (c), but any extension,
                                                            ---
renewal or replacement Lien must be limited to the property encumbered by the
existing Lien and the principal amount of the indebtedness may not increase.

       "Person" is any individual, sole proprietorship, partnership, limited
liability company, joint venture, company association, trust, unincorporated
organization, association, corporation, institution, public benefit corporation,
firm, joint stock company, estate, entity or government agency.

       "Prime Rate" is Bank's most recently announced "prime rate," even if it
is not Bank's lowest rate.

       "Profitability"  is defined as net profit after tax.

       "Quick Assets" is, on any date, the Borrower's consolidated, unrestricted
cash, cash equivalents and net billed accounts receivable.

       "Responsible Officer" is each of the Chief Executive Officer, the
President, the Chief Financial Officer and the Controller of Borrower.

       "Revolving Maturity Date" is August 1, 2002.

       "Schedule" is any attached schedule of exceptions.

                                      19
<PAGE>

       "Subordinated Debt" is debt incurred by Borrower subordinated to
Borrower's indebtedness owed to Bank and which is reflected in a written
agreement in a manner and form acceptable to Bank and approved by Bank in
writing.

       "Subsidiary" is for any Person, or any other business entity of which
more than 50% of the voting stock or other equity interests is owned or
controlled, directly or indirectly, by the Person or one or more Affiliates of
the Person.

       "Tangible Net Worth" is, on any date, the consolidated total assets of
Borrower and its Subsidiaries minus, (i) any amounts attributable to (a)
                              -----
goodwill, (b) intangible items such as unamortized debt discount and expense,
Patents, trade and service marks and names, Copyrights and research and
development expenses except prepaid expenses, and (c) reserves not already
deducted from assets, and (ii) Total Liabilities.
                      ---

       "Total Liabilities" is on any day, obligations that should, under GAAP,
be classified as liabilities on Borrower's consolidated balance sheet, including
all Indebtedness, and current portion Subordinated Debt allowed to be paid, but
excluding all other Subordinated Debt.

BORROWER:

NOVOSTE CORPORATION

By:  /s/ Edwin B. Cordell, Jr.
   ----------------------------

Title: Vice President - Finance
      -------------------------

BANK:

SILICON VALLEY BANK

By:  /s/ Alan R. Spurgin
   ----------------------------

Title: Senior Vice President
      -------------------------

                                                      APRIL HARRIS
                                           NOTARY PUBLIC, COBB COUNTY, GEORGIA
                                          MY COMMISSION EXPIRES JANUARY 28, 2002

                                      20
<PAGE>

                                 EXHIBIT A
                                 ---------

     The Collateral consists of all of Borrower's right, title and interest in
and to the following:

     All goods and equipment now owned or hereafter acquired, including, without
limitation, all machinery, fixtures, vehicles (including motor vehicles and
trailers), and any interest in any of the foregoing, and all attachments,
accessories, accessions, replacements, substitutions, additions, and
improvements to any of the foregoing, wherever located;

     All inventory, now owned or hereafter acquired, including, without
limitation, all merchandise, raw materials, parts, supplies, packing and
shipping materials, work in process and finished products including such
inventory as is temporarily out of Borrower's custody or possession or in
transit and including any returns upon any accounts or other proceeds, including
insurance proceeds, resulting from the sale or disposition of any of the
foregoing and any documents of title representing any of the above;

     All contract rights and general intangibles (as such definitions may be
amended from time to time according to the Code), now owned or hereafter
acquired, including, without limitation, goodwill, trademarks, servicemarks,
trade styles, trade names, patents, patent applications, leases, license
agreements, franchise agreements, blueprints, drawings, purchase orders,
customer lists, route lists, infringements, claims, computer programs, computer
discs, computer tapes, literature, reports, catalogs, design rights, income tax
refunds, payments of insurance and rights to payment of any kind,;

     All now existing and hereafter arising accounts, contract rights,
royalties, license rights and all other forms of obligations owing to Borrower
arising out of the sale or lease of goods, the licensing of technology or the
rendering of services by Borrower (as such definitions may be amended from time
to time according to the Code) whether or not earned by performance, and any and
all credit insurance, insurance (including refund) claims and proceeds,
guaranties, and other security therefor, as well as all merchandise returned to
or reclaimed by Borrower;

     All documents, cash, deposit accounts, securities, securities entitlements,
securities accounts, investment property, financial assets, letters of credit,
letter of credit rights, certificates of deposit, instruments and chattel paper
and electronic chattel paper now owned or hereafter acquired and Borrower's
Books relating to the foregoing;

     All copyright rights, copyright applications, copyright registrations and
like protections in each work of authorship and derivative work thereof, whether
published or unpublished, now owned or hereafter acquired; all trade secret
rights, including all rights to unpatented inventions, know-how, operating
manuals, license rights and agreements and confidential information, now owned
or hereafter acquired; all mask work or similar rights available for the
protection of semiconductor chips, now owned or hereafter acquired; all claims
for damages by way of any past, present and future infringement of any of the
foregoing; and

     All Borrower's Books relating to the foregoing and any and all claims,
rights and interests in any of the above and all substitutions for, additions
and accessions to and proceeds thereof.

     Notwithstanding the foregoing, the Collateral shall not be deemed to
include any copyrights, copyright applications, copyright registration and like
protection in each work of authorship and derivative work thereof, whether
published or unpublished, now owned or hereafter acquired; any patents, patent
applications and like protections including without limitation improvements,
divisions, continuations, renewals, reissues, extensions and continuations-in-
part of the same, trademarks, servicemarks and applications therefor, whether
registered or not, and the goodwill of the business of Borrower connected with
and symbolized by such trademarks, any trade secret rights, including any rights
to unpatented inventions, know-how, operating manuals, license rights and
agreements and confidential information, now owned or hereafter acquired; or any
claims for damage by way of any past, present and future infringement of any of
the foregoing (collectively, the "Intellectual Property"), except that the
Collateral shall include the proceeds of all the Intellectual Property that are
accounts, (i.e. accounts receivable) of Borrower, or general intangibles
consisting of rights to payment.
<PAGE>

     Borrower and Bank are parties to that certain Negative Pledge Agreement,
whereby Borrower, in connection with Bank's loan or loans to Borrower, has
agreed, among other things, not to sell, transfer, assign, mortgage, pledge,
lease grant a security interest in, or encumber any of its Intellectual
Property, without Bank's prior written consent.

<PAGE>

     3.   Capitalized terms used but not otherwise defined herein shall have the
          same meaning as in the Loan Documents.

BORROWER:

NOVOSTE CORPORATION

By: /s/ Edwin B. Cordell, Jr.
   --------------------------------
Name: Edwin B. Cordell, Jr.
     ------------------------------
Title: Vice President--Finance
      -----------------------------

BANK:

SILICON VALLEY BANK

By: /s/ Alan R. Spurgin
   --------------------------------
Name: Alan R. Spurgin
     ------------------------------
Title: Senior Vice President
      -----------------------------

                                                        APRIL HARRIS
                                         -------------------------------------
                                           NOTARY PUBLIC, COBB COUNTY, GEORGIA
                                         MY COMMISSION EXPIRES JANUARY 28, 2003

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