DRCA MEDICAL CORP
10QSB, 1997-05-15
HEALTH SERVICES
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<PAGE>
 
                                  FORM 10-QSB

                      SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20549

                       ________________________________

(Mark one)

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

                 For the Quarterly Period Ended March 31, 1997

                                      OR

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


     For the transition period from __________________ to ________________


                          Commission File No. 1-10677


                         Integrated Orthopaedics, Inc.
            (Exact name of registrant as specified in its charter)

            Texas                                        76-0203483
(State or other jurisdiction of             (I.R.S. Employer Identification No.)
incorporation or organization)

               Three Riverway, Suite 1430, Houston, Texas  77056
                   (Address of principal executive offices)

                                (713) 439-7511
             (Registrant's telephone number, including area code)

                                     None
     (Former Name, Address and fiscal year, if changed since last report)


Check whether the issuer (1) filed all reports required to be filed by Section
13 or 15 (d) of the Exchange Act of 1934 during the preceding 12 months (or for
such shorter period that the registrant was required to file such reports); and
(2) has been subject to such filing requirements for the past 90 days.  
YES  [X]   NO  [ ]

As of March 31, 1997, 5,286,641 shares of Common Stock were outstanding.

Transitional Small Business Disclosure Format (Check One)   YES  [ ]   NO  [X]
<PAGE>
 
                         Integrated Orthopaedics, Inc.
                                     INDEX

                                                                        Page
                                                                         No.

PART I    FINANCIAL INFORMATION                                
                                                               
          Item 1  Financial Statements                         
                                                               
                  Consolidated Balance Sheets (March 31, 1997  
                  and December 31, 1996)                                  1
                                                               
                  Consolidated Statements of Operations for the
                  quarter ended March 31, 1997 and March 31, 1996         2
                                                               
                  Consolidated Statements of Changes in        
                  Stockholders' Equity for the three months    
                  ended March 31, 1997 and March 31, 1996                 3
                                                               
                  Consolidated Statements of Cash Flows for    
                  the three months ended March 31, 1997 and    
                  March 31, 1996                                          4
                                                               
                  Notes to Consolidated Financial Statements          5 - 7
                                                               
          Item 2  Management's Discussion and Analysis of      
                  Financial Condition and Results of Operations      8 - 10


PART II   OTHER INFORMATION

          Item 1 - 6                                                     11


SIGNATURES                                                               12
<PAGE>
 
                         INTEGRATED ORTHOPAEDICS, INC.
                          CONSOLIDATED BALANCE SHEET
 
                  ASSETS                             March 31,    December 31,
                                                       1997           1996
                                                   -------------  -------------
                                                    (Unaudited)     (Audited)

CURRENT ASSETS
  Cash and equivalents                             $   6,715,208  $  10,176,947
  Accounts receivable, net                             2,981,389      3,796,715
  Income taxes receivable                                335,909         82,495
  Notes receivable, net                                   90,963         88,811
  Other current assets                                   133,186        252,893
                                                   -------------  -------------
    TOTAL CURRENT ASSETS                              10,256,655     14,397,861
                                                   -------------  ------------- 
PROPERTY AND EQUIPMENT
  Equipment (including equipment under 
    capital leases)                                    3,342,797      3,171,495
  Leasehold improvements                                 316,999        316,999
  Furniture and fixture                                  386,979        386,979
                                                   -------------  -------------
                                                       4,046,775      3,875,473
  Less  - accumulated depreciation 
    and amortization                                  (3,294,221)    (3,210,788)
                                                   -------------  -------------
                                                         752,554        664,685
                                                   -------------  ------------- 
OTHER ASSETS                                             124,328        106 165
                                                   -------------  ------------- 
    TOTAL ASSETS                                   $  11,133,537  $  15,168,711
                                                   =============  =============
        LIABILITIES AND STOCKHOLDERS' EQUITY
 
CURRENT LIABILITIES
  Accounts payable                                       863,088  $   1,271,842
  Accrued expenses                                     1,683,530      3,129,216
  Income taxes payable                                    92,493        584,360
  Current obligations under capital leases                30,074         14,081
  Current portion of notes payable                       302,726      1,700,699
                                                   -------------  -------------
    TOTAL CURRENT LIABILITIES                          2,971,911      6,700,198
                                                   -------------  ------------- 

NOTES PAYABLE                                            315,998        386,231
                                                   -------------  -------------
OBLIGATIONS UNDER CAPITAL LEASES                          40,838         14,426
                                                   -------------  -------------
DEFERRED INCOME TAXES                                    160,174        160,174
                                                   -------------  ------------- 
STOCKHOLDERS' EQUITY
  Common stock, $.001 par value, 50,000,000
    shares authorized, 5,302,474 issued                    5,303          5,303
  Preferred stock, $.01 par value 10,000,000
    shares authorized
      Series A - 8% Cumulative Convertible, 25,226
        shares issued and outstanding                        252            252
  Additional paid-in capital                           4,842,015      4,842,015
  Retained earnings                                    2,797,062      3,060,128
  Treasury shares, 15,833 shares                             (16)           (16)
                                                   -------------  -------------
    TOTAL STOCKHOLDERS' EQUITY                         7,644,616      7,907,682
                                                   =============  =============
COMMITMENTS AND CONTINGENCIES                       
    TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY     $  11,133,537  $  15,168,711
                                                   =============  =============


        The accompanying notes are an integral part of this statement.

                                       1
<PAGE>
 
                         INTEGRATED ORTHOPAEDICS, INC.
                     CONSOLIDATED STATEMENT OF OPERATIONS
                                  (UNAUDITED)
 
                                                           Quarter Ended
                                                      March 31       March 31
                                                        1997           1996
                                                     -----------    ----------- 

REVENUES                                             $ 1,563,459    $ 4,061,697
                                                     -----------    ----------- 
Costs and expenses:
  Compensation costs and medical services                874,096      1,785,844
  Other direct costs                                     344,778      1,026,896
  General and administrative                             727,846        427,848
  Depreciation and amortization                           83,433        189,979
  Provision for doubtful accounts                        375,376        347,311
  Gain from restructuring                               (414,750)
                                                     -----------    ----------- 
                                                       1,990,779      3,777,878

INCOME (LOSS) FROM OPERATIONS                           (427,320)       283,819
 
Loss on sale of subsidiary                                              (90,460)
Interest income                                          101,992          5,221
Interest expense                                         (18,711)       (66,012)
                                                     -----------    ----------- 
INCOME (LOSS) BEFORE  INCOME TAXES                      (344,039)       132,568
 
Provision for income taxes                               130,735        (48,096)
                                                     -----------    ----------- 
NET INCOME (LOSS)                                    $  (213,304)   $    84,472
                                                     ===========    ===========
 
Earnings (Loss) per common and equivalent share:
 
  Primary                                            $      (.05)   $       .02
                                                     ===========    ===========
  Fully Diluted                                      $      (.05)   $       .02
                                                     ===========    =========== 


        The accompanying notes are an integral part of this statement.

                                       2
<PAGE>
 
                         INTEGRATED ORTHOPAEDICS, INC.
                CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
                                  (UNAUDITED)
                       THREE MONTHS ENDED MARCH 31, 1997

<TABLE>
<CAPTION>
                                 Common Stock            Preferred Stock     Additional                         
                              ---------------------    -------------------    Paid In      Retained   Treasury                  
                              Shares         Amount    Shares       Amount    Capital      Earnings     Stock      Total
                              ------         ------    ------       ------    -------      --------   ---------    -----
<S>                          <C>             <C>       <C>          <C>       <C>          <C>        <C>          <C>
Balance -
  December 31, 1996          5,302,474   $ 5,303       25,226      $  252   $ 4,842,015  $ 3,060,128  $ (16)   $ 7,907,682

Dividends - Preferred
  Stock - Series A                                                                           (49,762)              (49,762)
 
Net income (Loss)                                                                           (213,304)             (213,304)
                             ---------   -------       ------      ------   -----------  -----------  -----    -----------   
Balance -
  March 31, 1997             5,302,474   $ 5,303       25,226      $  252   $ 4,842,015  $ 2,797,062  $ (16)   $ 7,644,616
                             =========   =======       ======      ======   ===========  ===========  =====    ===========
</TABLE>

        The accompanying notes are an integral part of this statement.

                                       3
<PAGE>
 
                         INTEGRATED ORTHOPAEDICS, INC.
                     CONSOLIDATED STATEMENT OF CASH FLOWS
                                  (UNAUDITED)
         FOR THE THREE MONTHS ENDED MARCH 31, 1997 AND MARCH 31, 1996
 
                                                      March 31       March 31
                                                        1997           1996
                                                     -----------    -----------

CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (Loss)                                  $  (213,304)   $    84,472
  Noncash adjustments: 
     Depreciation and amortization                        83,433        189,979
     Loss on sale of assets                                              90,460
     Net gain from restructuring                        (414,750)
 
  Change in assets and liabilities, 
    excluding acquisitions:
     Accounts receivable, net                            815,326       (246,590)
     Other current assets                                117,555        110,917)
     Accounts payable                                   (408,757)      (139,421)
     Accrued expenses                                 (1,080,695)       208,386
     Other assets                                        (18,163)
     Income taxes receivable/payable                    (745,281)        59,069
                                                     -----------    ----------- 
      Net cash provided (used) by 
        operating activities                          (1,864,636)       135,438
                                                     -----------    ----------- 
CASH FLOWS FROM INVESTING ACTIVITIES:
  Purchase of property and equipment                    (122,602)      (150,432)
  Net proceeds from sale of subsidiary                                  700,000
  Collections on notes receivable                                         4,207
                                                     -----------    -----------
      Net cash provided by investing activities         (122,602)       553 775
                                                     -----------    ----------- 
CASH FLOWS FROM FINANCING ACTIVITIES:
  Bank borrowings                                                       486,784
  Payments on bank borrowings                         (1,400,000)      (220,045)
  Payments on other notes, net                           (68,204)      (870,976)
  Payments on capital lease obligations                   (6,296)      (105,482)
                                                     -----------    -----------
      Net cash used by financing activities           (1,474,500)      (709,719)
                                                     -----------    -----------
 
NET CHANGE IN CASH AND EQUIVALENTS                    (3,461,738)       (20,506)
CASH AND EQUIVALENTS:
  BEGINNING OF YEAR                                   10,176,947        109,231
                                                     -----------    -----------
  END OF QUARTER                                     $ 6,715,209    $    88,725
                                                     -----------    ----------- 
SUPPLEMENTAL DISCLOSURES:
  Interest paid                                      $    18,711    $    60,498
  Income taxes paid, net of refunds                      836,662
  Dividends accrued on preferred stock                    49,762
  Equipment acquired under capital leases                 48,700

        The accompanying notes are an integral part of this statement.

                                       4
<PAGE>
 
                         INTEGRATED ORTHOPAEDICS, INC.
                  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                  (UNAUDITED)
                                MARCH 31, 1997


NOTE 1   BASIS OF PRESENTATION:

The accompanying unaudited consolidated financial statements have been prepared
in accordance with generally accepted accounting principles for interim
financial information and with the instructions to Form 10-QSB.  Accordingly,
they do not include all of the information and footnotes required by generally
accepted accounting principles for complete financial statements.  In the
opinion of management, all adjustments (consisting only of those of a normal
recurring nature) considered necessary for a fair presentation have been
included. Operating results for the three month period ended March 31, 1997 are
not necessarily indicative of the results that may be expected for the year
ending December 31, 1997.  For further information, refer to the consolidated
financial statements and footnotes thereto included in the Company's annual
report on Form 10-KSB for the year ended December 31, 1996.

The preparation of consolidated financial statements in accordance with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets, liabilities,
revenues and expenses, as well as the disclosures of contingent assets and
liabilities. Because of the inherent uncertainties in this process, actual
future results could differ from those expected at the reporting date.

Certain amounts in the March 31, 1996 consolidated statements of operations have
been reclassified to conform to the March 31, 1997 presentation, the most
significant of which is the reclassification of sales and marketing expense from
general, and administrative costs to other direct cost.  This reclassification
did not affect net income.


NOTE 2   EARNINGS PER COMMON SHARE:

Primary and fully diluted earnings per common share is based upon the weighted
average number of shares of common stock outstanding and common stock
equivalents of dilutive stock options and warrants during the three month
periods, as follows:

                                       5
<PAGE>
 
                                                      THREE MONTHS ENDED
                                                    March 31,      March 31,
                                                      1997           1996
                                                   -----------    ----------- 
Primary
 Weighted average shares outstanding                 5,286,641      5,285,975
 Net effect of dilutive stock options and
  warrants, based on the treasury stock
  method using average market price                                   172,319 
                                                   -----------    -----------
                                                     5,286,641      5,458,294
                                                   ===========    ===========

Net Income                                         $  (213,304)   $    84,472
Accrued dividends                                      (49,761)
                                                   -----------    ----------- 
Earnings available for common shareholders         $  (263,065)   $    84,472
                                                   ===========    =========== 

Earnings Per Share                                 $      (.05)   $       .02
                                                   ===========    =========== 
Fully diluted
 Weighted average shares outstanding                 5,286,641      5,285,975
 Net effect of dilutive stock options and
  warrants, based on the treasury stock
  method using the average market price                               233,785
                                                   -----------    ----------- 
                                                     5,286,641      5,519,294
                                                   ===========    =========== 

Net Income                                         $  (213,304)   $    84,472
Accrued dividends                                      (49,761)
                                                   -----------    ----------- 

Earnings available for common shareholders         $  (263,065)   $    84,472
                                                   ===========    ===========
 
Earnings Per Share                                 $      (.05)   $       .02
                                                   ===========    =========== 

Statement of Financial Accounting Standards No. 128 was issued on February 17,
1997, and establishes standards for computing and presenting earnings per share
(EPS).  This Statement simplifies the previous standards for computing earnings
per share, and makes them comparable to international EPS standards.  It
replaces the presentation of primary EPS with a presentation of basic EPS, and
requires dual presentation of basic and diluted EPS.

Basic EPS excludes dilution, and is computed by dividing income available to
common stockholders by the weighted-average number of common shares outstanding
for the period. Diluted EPS reflects the potential dilution that could occur if
securities or other contracts to issue common stocks were exercised or converted
into common stock.  Diluted EPS is computed similarly to fully diluted EPS
pursuant to Opinion 15.

                                       6
<PAGE>
 
This statement is effective for financial statements for both interim and annual
periods ending after December 15, 1997.  Earlier application is not permitted.
However, entities are encouraged to disclose pro forma EPS amounts computed
using this Statement in the notes to the financial statements prior to adoption.
Such pro forma information is as follows:

                                                      Three Months Ended
                                                   --------------------------
                                                    March 31,      March 31,
                                                      1997           1996
                                                   -----------    -----------
                                              
               Basic EPS                           $      (.05)   $       .02
                                                   ===========    =========== 
               Diluted EPS                         $      (.05)   $       .02
                                                   ===========    =========== 

NOTE 3 -- PRO FORMA INFORMATION

During 1996, the Company, in a strategic effort to restructure its operations
towards a single focus musculoskeletal-related physician practice management
company, divested its interests in eight occupational medicine centers , four
physical and medical therapy centers associated with the occupational medicine
centers, seven mobile health testing units operated in conjunction with the
occupational medicine programs in Houston, Texas and Little Rock, Arkansas, and
one magnetic resonance imaging ("MRI") center in Little Rock, Arkansas.

The following unaudited pro forma information assumes that the sale of the
occupational medicine business occurred on January 1, 1996.  The pro forma
information does not purport to be indicative of the results of operations that
actually would have been attained if the sale had occurred at this earlier date
or results which may occur in the future.
 
 
                                       3 months ended March 31,
                                       -----------------------
                                                 1996
                                              ---------
       Revenues (in thousands)                $   2,518
                                       
       Net Income (in thousands)              $     260
                                       
       Earnings per common share:   
         Primary                              $     .04
         Assuming full dilution               $     .04

                                       7
<PAGE>
 
                                    PART I
                             FINANCIAL INFORMATION


Item 2  Management's Discussion and Analysis of Financial Condition and Results
of Operations.

RESULTS OF OPERATIONS:

Three months ended March 31, 1997 compared with three months ended March 31,
1996.

REVENUES:

The Company's revenues are stated net of contractual allowances that relate to
gross patient billings.  Contractual allowances are based on accounting
estimates which the Company reviews and adjusts on a periodic basis.  Revenues
for the first quarter of 1997 decreased by approximately $2,498,000 or 62%.
Approximately $1,543,000 or 62% of this decrease is attributable to the
Company's 1996 divestiture of certain of its occupational medicine and
diagnostic imaging businesses and the remainder results from lower net
collectibility expectations on patient billings than that estimated a year ago.

COMPENSATION COSTS AND MEDICAL SERVICES:

Compensation costs and medical services for the first quarter of 1997 decreased
by approximately $912,000 or 51%.  Approximately $848,000 or 93% of this
decrease is attributable to the divestiture of the occupational medicine and
diagnostic imaging businesses. The remaining reduction of $67,000 or 7% relates
to on-going operations.

OTHER DIRECT COSTS:

Other direct costs for the first quarter of 1997 decreased by approximately
$682,000 or 66%. Approximately $642,000 or 94% of this decrease is attributable
to the divestiture of the occupational medicine and diagnostic imaging
businesses.  Costs of on-going operations were lower by approximately $40,000.

GENERAL AND ADMINISTRATIVE EXPENSES:

General and administrative expenses for the first quarter of 1997 increased
approximately $300,000 or 70%.  This increase is attributable to the addition of
management and operating infrastructure relating to the Company's expansion as a
physician practice management company and to increased legal and accounting
costs.

DEPRECIATION AND AMORTIZATION:

Depreciation and amortization for the first quarter of 1997 decreased by
approximately $107,000 or 56%, primarily as a result of the divestiture of the
occupational medicine and diagnostic imaging businesses in 1996.

                                       8
<PAGE>
 
PROVISION FOR DOUBTFUL ACCOUNTS:

Provision for doubtful accounts for the first quarter of 1997 increased by
approximately $28,000 resulting from a decrease in the estimate of future
collections on accounts receivable.  The provision for doubtful accounts is an
accounting estimate which the Company reviews and adjusts on a periodic basis.

NET GAIN FROM RESTRUCTURING:

The Company reported a first quarter benefit of approximately $415,000 related
to the 1996 net gain from restructuring.  This adjustment reflects that the
Company was able to complete certain transactions relating to the restructuring
at a lower than expected cost.

INTEREST INCOME AND EXPENSE:

Interest income increased by $97,000, reflecting earnings from increased cash
reserves arising from the Company's restructuring in 1996.  Interest expense
decreased primarily due to decreased borrowings under the Company's working
capital credit facility and the retirement of equipment debt in conjunction with
the restructuring.

LIQUIDITY AND CAPITAL RESOURCES:

The Company's working capital decreased to $7,285,000, down $413,000 from
$7,698,000 at December 31, 1996.  The Company used working capital to increase
net fixed assets and other assets by $106,000 and decrease notes and capital
leases by $125,000.  The remainder of the decrease is explained by the Company's
first quarter loss of $213,000 and various immaterial differences.

Accounts receivable decreased approximately $815,000 during the first quarter
due primarily to the net effect of lower accounting estimates of the
collectibility of existing accounts receivable.  Personal injury accounts
receivable relating to the Houston musculoskeletal-related healthcare delivery
system represented a substantial portion of accounts receivable as of March 31,
1997.  Although currently due, personal injury claims usually take significantly
longer to collect than claims billed to insurance carriers and employers.

The Company presently has a $2,000,000 line of credit for working capital
purposes, a $500,000 line of credit for equipment purchases and a term note
payable to its primary commercial bank.  Borrowings under the working capital
and equipment lines bear interest at prime + 1.25% and prime + 1%, respectively,
and the term note bears interest at prime + 1.5%. The working capital line also
requires an annual fee of 1% of the commitment. Advances under the equipment
line are converted into three- and four-year term notes annually at renewal.
Advances under the working capital line are subject to a borrowing base formula
under which the Company presently has sufficient collateral to support
approximately 85% of the total line of credit. There were no funds advanced
under the line as of March 31, 1997. Advances under both credit facilities as
well as other borrowings from the Company's primary lender are also subject to
the terms of a loan agreement which includes typical financial ratio covenants
and other provisions. Both lines of credit expire on May 31, 1997. The Company
has received a commitment from its lender that the facilities will be renewed
for twelve months prior to their expiration. The Company believes these credit
facilities, its cash on hand, and cash provided

                                       9
<PAGE>
 
by operations will be sufficient to provide its working capital needs for at
least the next twelve months for its existing operations. However, in order to
pursue its physician practice management growth strategy of acquiring or
developing orthopaedic practices and musculoskeletal-related healthcare delivery
systems, additional capital is required. The Company is currently exploring a
number of alternatives for additional financing, including equity investment,
additional indebtedness, asset dispositions, and strategic partnering. The
Company anticipates that the cost of building the management and operational
infrastructure necessary to implement this strategy may exceed the Company's
earnings for at least a portion of 1997.

                                       10
<PAGE>
 
                                    PART II
                               OTHER INFORMATION
                                        
Item 1      Legal Proceedings

     The Company is not a party to any pending litigation other than routine
     litigation incidental to the business or that which is immaterial in
     amount of damages sought.

Item 2      Changes in Securities

     This item is not applicable.

Item 3      Defaults upon Senior Securities

     This item is not applicable.

Item 4      Submission of Matters to a Vote of Security Holders

     The Company held a Special Meeting of stockholders on March 12, 1997,
solely for the purpose of considering an amendment to the Company's Articles of
Incorporation to authorize a change in the Company's name to Integrated
Orthopaedics, Inc. The results of the voting for approval of that amendment to
the Company's Articles of Incorporation were as follows:

          For   5,104,884        Against   5,400        Abstain   300

Item 5      Other Information

     This item is not applicable.

Item 6 (a)  Exhibits and Exhibit Index

Exhibit No.         Exhibit Title                            Filed As
- ----------          -------------                            --------

  3.1               Articles of Incorporation of the 
                    Company, as amended to date               /1/Same

Item 6 (b)  Reports on Form 8-K

     The Company filed reports on Form 8-K and Form 8-K/A on January 14, 1997
and April 3, 1997, respectively, dated December 31, 1996 with respect to the
Stock and Asset Purchase Agreement dated December 31, 1996 among OccuCenters,
Inc., Occupational Health Centers of the Southwest, P.A. and DRCA Medical
Corporation, William F. Donovan, M.D., PhysiCare, L.L.P., and DRCA Houston
Clinics, Inc. As part of such reports, the Company filed the following unaudited
pro forma financial statements to reflect its disposition of certain assets and
liabilities: Balance Sheet as of September 30, 1996, Statement of income for
nine months ended September 30, 1996 and Statement of Income for the year ended
December 31, 1995.

_______________________
/1/  Filed herewith

                                       11
<PAGE>
 
                                  SIGNATURES

In accordance with Section 13 or 15(d) of the Exchange Act, the registrant
caused this report to be signed on its behalf by the undersigned, thereunto duly
authorized.

                                            INTEGRATED ORTHOPAEDICS, INC.


                                            By:  JOSE E. KAUACHI
                                                _________________________
                                                JOSE E. KAUACHI,
                                            Chairman of the Board, and
                                                Chief Executive Officer

                                            Dated:  May 15, 1997

In Accordance with the Exchange Act, this report has been signed below by the
following persons on behalf of the registrant and in the capacities and on the
dates indicated:

Signature                          Title                               Date
- ---------                          -----                               ----

By:  JOSE E. KAUACHI         Chairman of the Board                  May 15, 1997
   _______________________     and Chief Executive Officer
    JOSE E. KAUACHI                   


By:  JEFFERSON R. CASEY      Senior Vice President, Treasurer       May 15, 1997
   _______________________     (Principal Financial & Accounting
   JEFFERSON R. CASEY          Officer), and Secretary

                                       12

<PAGE>
 
                                                                     EXHIBIT 3.1

                             ARTICLES OF AMENDMENT
                                    TO THE
                           ARTICLES OF INCORPORATION
                                      OF
                           DRCA MEDICAL CORPORATION



Pursuant to the provisions of Article 4.04 of the Texas Business Corporation Act
("Act"), the undersigned corporation adopts the following article of amendment
to its articles of incorporation:

                                  ARTICLE ONE

         The name of the corporation is DRCA Medial Corporation.


                                  ARTICLE TWO

The following amendment to the articles of incorporation was adopted by the
shareholders of the corporation owning more than two-thirds (2/3) of the issued
and outstanding shares of stock entitled to vote on March 12, 1997.  The
amendment alters or changes Articles I of the Articles of Incorporation of the
Corporation by deleting Article I in its entirety and replacing it with the
following:


                                  "ARTICLE I

         The name of the corporation is Integrated Orthopaedics, Inc."


                                 ARTICLE THREE

         The number of share of the Corporation outstanding at the time of such
adoption was 5,286,641 shares of Common Stock and 25,226 shares of the series A
Cumulative Convertible preferred Stock (the "Preferred Stock"); and all of such
shares are entitled to vote thereon.  Each share of Common Stock is entitles to
one vote and each share of Preferred Stock is entitled to 30,281018 vote with
respect to the proposed amendment.  The total number of votes outstanding at the
time of adoption was 6,050,509.
<PAGE>
 
                                 ARTICLE FOUR

         The number of votes in favor of the amendment of the mended Articles
of incorporation was 5,868,752 (5,104,884 represented by votes of holders of
5,104,884 shares of Common Stock and 763,868 votes represented by the votes of
the sole holder of all 25,226 shares of the Preferred Stock); and the number of
votes against such amendment was 5,400 (all represented by votes of the holders
of 5,400 shares of Common Stock).


Dated:   March 12, 1997

                                            DRCA MEDICAL CORPORATION

                                            By:  /s/   Jeff R. Casey
                                                _____________________________
                                            Name:  Jeff R. Casey
                                                  ___________________________
                                            Title:  Senior Vice President
                                                   __________________________
<PAGE>
 
                      RESTATED ARTICLES OF INCORPORATION
                                      OF
                           DRCA MEDICAL CORPORATION


                                  ARTICLE ONE

     DRCA Medical Corporation, pursuant to the provisions of Article 4.07 of the
Texas Business Corporation Act, hereby adopts restated articles of incorporation
which accurately copy the articles of incorporation and all amendments thereto
that are in effect to date and such restated articles of incorporation contain
no change in any provision thereof.

                                  ARTICLE TWO

     The restated articles of incorporation were adopted by resolution of the
board of directors of the corporation on the 22nd day of May, 1996.

                                 ARTICLE THREE

     The articles of incorporation and all amendments and supplements thereto
are hereby superseded by the following restated articles of incorporation which
accurately copy the entire text thereof:

                                   ARTICLE I

     The name of the Corporation is DRCA Medical Corporation.

                                  ARTICLE II

     The Corporation shall have perpetual existence.

                                  ARTICLE III

     The purpose of the Corporation is to engage in any lawful act or activity
for which a corporation may be organized under the Texas Business Corporation
Act, as amended ("TBCA"), of the State of Texas.
<PAGE>
 
                                  ARTICLE IV

     The Corporation will not commence business until it has received, for the
issuance of shares, consideration of $1,000.00.

                                   ARTICLE V

     The Corporation is authorized to issued two classes of shares to be
designated respectively "preferred" and "common." The aggregate number of shares
which the Corporation shall have the authority to issue is Sixty Million
(60,000,000) shares, of which Ten Million (10,000,000) shares shall be Preferred
Stock, $.01 par value per share, and Fifty Million (50,000,000) shares shall be
Common Stock, $.001 par value per share.

     The description of the different classes of capital stock of the
Corporation and the designation and the powers, preferences and rights, and the
qualifications, limitations or restrictions thereof are as follows:

                                    PART A
                                PREFERRED STOCK

     The Preferred Stock may be divided into and issued in one or more series as
herein provided, each series to be so designated as to distinguish the shares
thereof from the shares of all other series and classes.  The Board of Directors
is hereby vested with the authority to establish and designate such series from
time to time and, within the limitations prescribed by law or set forth herein,
to fix and determine the number and the relative rights and preferences of the
authorized shares of any series so established, and to increase or decrease the
number of shares within each such series; provided, however, that the Board of
directors may not decrease the number of shares within a series below the number
of shares within such series that is then issued.  The Board of Directors shall
exercise such authority by the adoption of a resolution or resolutions as
prescribed by law.  The Preferred Stock of all series shall be identical, except
as to the following relative rights and preferences, as to which there may be
variations between different series:

     (1)  The rate at which dividends, if any, are to accrue with respect to the
shares of such series and the dates, terms and other conditions on which such
dividends shall be payable;

     (2)  The nature of dividends payable with respect to the shares of such
series as cumulative, noncumulative or partially cumulative;

     (3)  Whether the shares of such series shall be subject to redemption by
the Corporation, and, if made subject to such redemption, the price at and the
terms and conditions on which the shares of such series may be redeemed;
<PAGE>
 
     (4)  The rights and preferences, if any, of the holders of the shares of
such series upon the liquidation, dissolution or winding up of the affairs of,
or upon any distribution of the assets of, the Corporation, which amount may
vary depending upon whether such liquidation, dissolution or winding up is
voluntary or involuntary and, if voluntary, may vary at different dates, and the
status of the shares of such series as participating or non-participating after
the satisfaction of any such rights and preference;

     (5)  Any requirements as to, and the terms and amount of, any sinking fund
or purchase fund for, or the redemption, purchase or other retirement by the
Corporation of, the shares of such series;

     (6)  The right, if any, to exchange or convert the shares of such series
into (i) shares of any other series of the Preferred Stock or, to the extent
permitted by law, into shares of an other class of capital stock of the
Corporation ranking on a parity with or junior to the Preferred Stock as to
dividends or distribution of assets upon liquidation or into other securities of
the Corporation or (ii) shares of capital stock or other securities of another
Corporation, and the rate or basis, time, manner and conditions of exchange or
conversion or the method by which the same shall be determined;

     (7)  The extent, if any, to which the holders of the shares of such series
shall be entitled to vote as a class or otherwise with respect to any matter
presented for that purpose to the shareholders of the Corporation;

     (8)  Any obligation of the Corporation to repurchase any or all shares of
such series; and

     (9)  Any other relative rights and preferences of the shares of such series
consistent with these Articles of Incorporation and applicable law.

     The terms of any series of Preferred stock may be amended without consent
of the holders of any other series of Preferred Stock or of the Common Stock,
provided such amendment does not adversely affect the holders of such other
series of Preferred Stock or the Common Stock. Shares of any series of Preferred
Stock which have been issued and reacquired in any manner and are not held as
treasury shares, including shares redeemed by purchase (whether through the
operation of a retirement or sinking fund or otherwise), will have the status of
authorized and unissued Preferred Stock and may be reissued as a part of the
series of which they were originally a part or may be reclassified into and
reissued as a part of a new series.

     All or any part of the Preferred Stock may be issued by the Corporation
from time to time and for such consideration as the Board of Directors may
determine. All of such shares, if and when issued, and upon receipt of such
consideration by the Corporation, shall be fully paid and non-assessable.



                                      -3-
<PAGE>
 
                                    PART B
                                 COMMON STOCK

     Except as otherwise required by law, each holder of Common Stock shall be
entitled to one (1) vote for each share of such Common Stock standing in his
name on the books of the Corporation.  Subject to the rights of the holders of
the Preferred Stock as provided in these Articles of Incorporation, upon
liquidation, dissolution or winding up of the affairs of the Corporation,
whether voluntary or involuntary, holders of the Common Stock are entitled to
receive pro rata the remaining assets of the Corporation.  Subject to the rights
of the holders of the Preferred Stock as provided in these Articles of
Incorporation, dividends may be paid on the Common Stock as and when declared by
the Board of Directors of the Corporation out of any funds of the Corporation
legally available for the payment of such dividends.

     All or any part of the Common Stock may be issued by the Corporation from
time to time and for such consideration as the Board of Directors may determine.
All of such shares, if and when issued, and upon receipt of such consideration
by the Corporation, shall be fully paid and non-assessable."

                                  ARTICLE VI

     No stockholder of the Corporation shall, by reason of his holding shares of
any class of stock or series of any class of stock, have any preemptive or
preferential right to purchase or subscribe for any shares of stock of the
Corporation, now or hereafter authorized, any notes, debentures, bonds or other
securities convertible into or carrying warrants, rights or options to purchase,
shares of any class of stock or series of any class of stock of the Corporation,
now or hereafter authorized, or any warrants, rights or options to purchase,
subscribe to or otherwise acquire any such new or additional shares of any class
of stock or series of any class of stock of the Corporation, now or hereafter
authorized, whether or not the issuance of such shares, such notes, debentures,
bonds or other securities, or such warrants, rights or options would adversely
affect the dividend, voting or any other rights of such stockholder.

                                  ARTICLE VII

     Cumulative voting for the election of directors shall not be permitted.

                                 ARTICLE VIII

     The holders of any bonds, debentures or other obligations outstanding or
hereafter issued by the Corporation shall have no power to vote in respect to
corporate affairs and management of the Corporation by reason thereof, nor shall
such holders by reason thereof have any right of inspection of the books,
accounts and other records of the Corporation and 



                                      -4-
<PAGE>
 
any other rights which the stockholders of the Corporation have by reason of the
TBCA of the State of Texas as the same exists or may hereafter be amended.

                                  ARTICLE IX

     (A)  These Articles of Incorporation shall not be amended unless, in
addition to any other requirements therefor imposed by law, the holders of at
least two-thirds of the shares of stock of the Corporation entitled to vote
thereon shall have voted in favor of the proposed amendment.

     (B)  The Board of Directors is expressly authorized to alter, amend or
repeal the Bylaws of the Corporation or to adopt new Bylaws.

                                   ARTICLE X

    The Board of Directors of the Corporation may, if it deems advisable, oppose
a tender or other offer for the Corporation's securities, whether the offer is
in cash or in the securities of another corporation or otherwise. When
considering whether to oppose an offer, the Board of Directors may, but is not
legally obligated to, consider any pertinent issues; by way of illustration, but
not of limitation, the Board of directors may, but shall not be legally
obligated to, consider all or any of the following:

          (i)   Whether the offer price is acceptable based on the historical
     and present operating results or financial condition of the Corporation;

          (ii)  Whether a more favorable price could be obtained for the
     Corporation's securities in the future;

          (iii) The impact which an acquisition of the Corporation would have on
     the employees, customers, suppliers and creditors of the Corporation and
     its subsidiaries and the communities which they serve;

          (iv)  The reputation and business practices of the offeror and its
     management and affiliates as they would affect the employees, customers,
     suppliers and creditors of the Corporation and its subsidiaries and the
     future value of the Corporation's stock by the value of the securities, if
     any, that the offeror is offering in exchange for the Corporation's
     securities, based on an analysis of the worth of the Corporation as
     compared to the offeror or any other entity whose securities are being
     offered, and the financial condition of the offeror or such other entity;
     and

          (v)   Any antitrust or other legal or regulatory issues that are
     raised by the offer.



                                      -5-
<PAGE>
 
                                  ARTICLE XI

     (A)  No director of the Corporation shall be liable to the Corporation or
any of its stockholders for monetary damages for an act or omission in the
director's capacity as a director; provided that this Article XI shall not
eliminate or limit the liability of a director of the Corporation:

          (i)   for any breach of such director's duty of loyalty to the
     Corporation or its stockholders;

          (ii)  for acts or omissions not in good faith that constitutes a
     breach of duty of the director to the Corporation or that involve
     intentional misconduct or a knowing violation of law;

          (iii) for any transaction from which such director derived an improper
     personal benefit, whether the benefit resulted from an action taken within
     the scope of the director's office; or

          (iv)  for an act or omission for which liability of a director is
     expressed provided by an applicable statute.

     (B)  If Article 1302-7.06 of the Texas Miscellaneous Corporation Laws Act
("TMCLA") hereafter is amended to authorize the further elimination or
limitation of the liability of directors of the Corporation, then the liability
of a director of the Corporation shall be limited to the fullest extent
permitted by the TMCLA, as so amended, and such limitation of liability shall be
in addition to, and not in lieu of, the limitation on the liability of a
director of the Corporation provided by the foregoing provisions of this 
Article XI.

     (C)  Any repeal of or amendment to this Article XI shall be prospective
only and shall not adversely affect any limitation on the liability of a
director of the Corporation existing at the time of such repeal or amendment.

                                  ARTICLE XII

     The Corporation shall indemnify every director or officer, their heirs,
executors and administrators, to the full extent as provided by, and in
accordance with, Article 2.02-1 of the TBCA, as it presently exists and as it is
amended, against expenses actually and reasonably incurred by him, as well as
any amount paid upon a judgment in connection with any action, suit or
proceeding, civil or criminal, to which he may be made a party by reason of his
being or having been a director or officer of the Corporation, or at the request
of the Corporation, having been a director or officer of any other corporation
of which the Corporation was at such time a shareholder or creditor and from
which other corporation he is not entitled to be 



                                      -6-
<PAGE>
 
indemnified, except in relation to matters as to which he is found liable on the
basis that personal benefit was improperly received by him, or in which he shall
be found liable to the Corporation. In the event of a settlement,
indemnification shall be provided only in connection with such matters covered
by the settlement as to which the Corporation is advised by its special legal
counsel that the person to be indemnified did not commit such a breach of duty.
The foregoing shall not be exclusive of other rights to which the officer or
director may be entitled.

                                 ARTICLE XIII

     No contract or other transaction between the Corporation and any other
corporation shall be affected by the fact that one (1) or more of the directors
or officers of this Corporation is interested in or is a director or officer of
such other corporation and any director or officer individually may be a party
to or may be interested in any contract or transaction of this Corporation.  No
contract or transaction of this Corporation with any person or persons, firm or
association shall be affected by the fact that any director or officer of this
Corporation is a party or interested in such contract or transaction, or in any
way connected with such person or persons, firm or association, provided that
the interest in any such contract or other transaction of any such director or
officer shall be fully disclosed and that such contract or other transaction
shall be authorized or ratified by the vote of a sufficient number of Directors
of the Corporation not so interested.  In the absence of fraud, no director or
officer having such adverse interest shall be liable to the Corporation or to
any shareholder or creditor thereof, or to any other person for any loss
incurred by it under or by reason of such contract or transaction, nor shall any
such director or officer be accountable for any gains or profits realized
thereon.  In any case described in this Article XIII any such director may be
counted in determining the existence of a quorum at any meeting of the board of
directors which shall authorize or ratify any such contract or transaction.

                                  ARTICLE XIV

     The address of the initial registered office of the Corporation is 3
Riverway, Suite 1710, Houston, Texas 77056. The name of the initial registered
agent of the Corporation at such address is Jose E. Kauachi.

                                  ARTICLE XV

     The initial Board of Directors shall consist of four directors. The persons
who are to serve as directors until the first annual meeting of shareholders or
until their successors are elected and qualified are:

     Jose E. Kauachi
     3 Riverway, Suite 1710
     Houston, Texas 77056



                                      -7-
<PAGE>
 
     William F. Donovan, M.D.  
     3 Riverway, Suite 1710    
     Houston, Texas 77056      
                               
     James H. Brock, Jr.       
     3 Riverway, Suite 1710    
     Houston, Texas 77056      
                               
     G. William Tate, M.D.     
     15035 E. Freeway          
     Channelview, Texas 77530   


                                  ARTICLE XVI

     Special meetings of the shareholders may be called by (i) the president,
the board of directors, or (ii) the holders of not less than fifty percent (50%)
of shares entitled to vote at the proposed special meeting.

                                 ARTICLE XVII

     Any action required by the TBCA to be taken at any annual or special
meeting of shareholders, or any action which may be taken at any annual or
special meeting of shareholders, may be taken without a meeting, without prior
notice, and without a vote, if a consent or consents in writing, setting forth
the action so taken, shall be signed by the holder or holders of shares bearing
not less than the minimum number of votes that would be necessary to take such
action at a meeting at which the holders of all shares entitled to vote on the
actions were present to vote.

     Dated the 22nd day of May, 1996.


                                            DRCA MEDICAL CORPORATION


                                            By:  /s/ Jeff R. Casey        
                                                ________________________
                                            Name: Jeff R. Casey          
                                                ________________________
                                            Title: Senior Vice President  
                                                ________________________



                                      -8-
<PAGE>
 
                     CERTIFICATE OF DESIGNATION OF SERIES
                  AND DETERMINATION OF RIGHTS AND PREFERENCES
                                      OF
               CUMULATIVE CONVERTIBLE PREFERRED STOCK, SERIES A
                                      OF
                           DRCA MEDICAL CORPORATION


     DRCA Medical Corporation, a Texas corporation (the "Company"), acting
pursuant to Article 2.13 of the Texas Business Corporation Act of Texas, does
hereby submit the following Certificate of Designation of Series and
Determination of Rights and Preferences of its Cumulative Convertible Preferred
Stock, Series A.

     FIRST:  The name of the Company is DRCA Medical Corporation.

     SECOND: By unanimous consent of the Board of Directors of the Company dated
May 9, 1996, the following resolutions were duly adopted:

     WHEREAS, the Articles of Incorporation of the Company authorizes Preferred
Stock consisting of 10,000,000 shares, par value $.01 per share, issuable from
time to time in one or more series; and

     WHEREAS, the Board of Directors of the Company is authorized, subject to
limitations prescribed by law and by the provisions of Article V of the
Company's Articles of Incorporation, as amended, to establish and fix the number
of shares to be included in any series of Preferred Stock and the designation,
rights, preferences, powers, restrictions and limitations of the shares of such
series; and

     WHEREAS, it is the desire of the Board of Directors to establish and fix
the number of shares to be included in a new series of Preferred Stock and the
designation, rights, preferences and limitations of the shares of such new
series;

     NOW, THEREFORE, BE IT RESOLVED that pursuant to Article V of the Company's
Articles of Incorporation, as amended, there is hereby established a new series
of 26,000 shares of cumulative convertible preferred stock of the Company (the
"Series A Preferred Stock") to have the designation, rights, preferences,
powers, restrictions and limitations set forth in a supplement of Article V as
follows:
<PAGE>
 
1.  Dividends.

     The holders of the Series A Preferred Stock shall be entitled to receive,
out of funds legally available therefor, cumulative dividends at the rate of (i)
$8.00 per share for the period beginning on the date of issuance and ending on
June 30, 2001, (ii) $10.00 per share for the period beginning July 1, 2001 and
ending on June 30, 2002, (iii) $12.00 per share for the period beginning July 1,
2002 and ending on June 30, 2003, and (iv) $16.00 per share after July 1, 2004
(subject to appropriate adjustments in the event of any stock dividend, stock
split, combination or other similar recapitalization affecting such shares) per
annum, and no more, payable quarterly on March 31, June 30, September 30 and
December 31. Such dividends shall first be payable on June 30, 1999. Such
dividends shall be payable in preference and priority to any payment of any cash
dividend on Common Stock or any other shares of capital stock of the Company
other than the Series A Preferred Stock (such Common Stock and other inferior
stock being collectively referred to as "Junior Stock"), when and as declared by
the Board of Directors of the Company. Notwithstanding the foregoing, the
Company may defer payment of accrued dividends to the holders of the Series A
Preferred Stock to the extent the dividends cannot be paid from the Company's
"Free Cash Flow" (as hereinafter defined). Such dividends may be deferred until
the earlier of such times as Free Cash Flow is available for payment of same or
June 30, 2001.

     Free Cash Flow is defined as the Net Increase in Cash and Cash Equivalents
(as expressed in the Company's "Consolidated Statement of Cash Flows" for the
number of months which have passed since the end of the prior fiscal year,
calculated as of the end of the month most recently ended prior to the due date
of a dividend payment), adjusted to eliminate any net cash provided or used by
financing activities, minus any accrued dividends on Series A Preferred Stock,
less $750,000.

     Such dividends shall (even though such dividends are not payable until
beginning June 30, 1999) accrue with respect to each share of Series A Preferred
Stock from the date on which such share is issued and outstanding and thereafter
shall be deemed to accrue from day to day whether or not earned or declared and
whether or not there exists profits, surplus or other funds legally available
for the payment of dividends, and shall be cumulative so that if such dividends
on the Series A Preferred Stock shall not have been paid, or declared and set
apart for payment, the deficiency shall be fully paid or declared and set apart
for payment before any dividend shall be paid or declared or set apart for any
Junior Stock and before any purchase or acquisition of any Junior Stock is made
by the Company. At the earlier of: (1) the redemption of the Series A Preferred
Stock, (2) the liquidation, sale or merger of the Company or (3) June 30, 2001,
any accrued but unpaid 


                                       2
<PAGE>
 
dividends shall be paid to the holders of record of outstanding shares of Series
A Preferred Stock.

     The Company shall give written notice, sent by first class certified mail,
postage prepaid and return receipt requested, specifying the date and amount of
each dividend to be paid on Series A Preferred Stock, at least 5 days in advance
of the dividend payment date to all holders of record of the Series A Preferred
Stock as their names and addresses appear on the share register of the Company
on the date of such notice.  Each dividend shall be mailed to the holders of
record of the Series A Preferred Stock as their names and addresses appear on
the share register of the Company on the corresponding dividend payment date.
Anything contained in this Section 1 to the contrary notwithstanding, the
holders of shares of Series A Preferred Stock with respect to which dividends
are to be paid in accordance with this Section shall have the right, exercisable
at any time up to the close of business on the applicable dividend payment date
to convert all or any part of such shares into shares of Common Stock pursuant
to Section 4 hereof and for such purpose such dividend shall not be deemed to
have been paid or set apart at the date of such conversion.

2.   Liquidation, Dissolution or Winding Up.

     In the event of any voluntary or involuntary liquidation, dissolution or
winding up of the Company, the holders of shares of Series A Preferred Stock
then outstanding shall be entitled to be paid out of the assets of the Company
available for distribution to its stockholders, before any payment shall be made
to the holders of Junior Stock by reason of their ownership thereof, an amount
equal to $100 per share of Series A Preferred Stock plus the amount of any
accrued but unpaid dividends (whether or not declared). If upon any such
liquidation, dissolution or winding up of the Company the remaining assets of
the Company available for distribution to stockholders shall be insufficient to
pay the holders of shares of Series A Preferred Stock the full amount to which
they shall be entitled, the holders of shares of Series A Preferred Stock shall
share ratably in any distribution of the remaining assets and funds of the
Company in proportion to the respective amounts which would otherwise be payable
in respect of the shares held by them upon such distribution if all amounts
payable on or with respect to such shares were paid in full.

3.   Voting.

     (a)  Number of Votes; Voting with Common Stock.  Each holder of outstanding
shares of Series A Preferred Stock shall be entitled to the number of votes
equal to the number of whole shares of Common Stock into which the 


                                       3
<PAGE>
 
shares of Series A Preferred Stock held by such holder are convertible (as
adjusted from time to time pursuant to Section 4 hereof), at each meeting of
stockholders of the Company (and written actions of stockholders in lieu of
meetings) with respect to any and all matters presented to the stockholders of
the Company for their action or consideration. Except as provided by law, by the
provisions of Subsection 3(b) or 3(c) below, or by the provisions establishing
any other series of Preferred Stock, holders of Series A Preferred Stock shall
vote together with the holders of Common Stock as a single class.

     (b)  Adverse Effects. The Company shall not amend, alter or repeal
preferences, rights, powers or other terms of the Series A Preferred Stock so as
to affect adversely the Series A Preferred Stock, without the written consent or
affirmative vote of the holders of at least 66-2/3% of the then outstanding
shares of Series A Preferred Stock given in writing or by vote at a meeting,
consenting or voting (as the case may be) separately as a class. For this
purpose, without limiting the generality of the foregoing, the authorization or
issuance of any series of Preferred Stock which is on a parity with or has
preference or priority over the Series A Preferred stock as to the right to
receive either dividends or amounts distributable upon liquidation, dissolution
or winding up of the Company shall be deemed to affect adversely the Series A
Preferred Stock. A class vote on the part of the Series A Preferred Stock shall,
without limitation, specifically not be deemed to be required (except as
otherwise required by law or resolution of the Company's Board of Directors) in
connection with: (a) the authorization, issuance or increase in the authorized
amount of any shares of any other class or series of stock which ranks junior
to, the Series A Preferred Stock in respect of the payment of dividends and
distributions upon liquidation, dissolution or winding up of the Company; or (b)
the authorization, issuance or increase in the amount of any bonds, mortgages,
debentures or other obligations of the Corporation.

     (c)  Mergers, etc. The consent of the holders of not less than 66-2/3% of
the outstanding Series A Preferred stock, voting separately as a single class,
in person or by proxy, either in writing without a meeting or at a special or
annual meeting of shareholders called for the purpose, shall be necessary for
the Company to sell all or substantially all of the Company's assets or effect
any merger, consolidation, share exchange or similar transaction to which the
Company is a party, or to enter into any other transaction resulting in the
acquisition of a majority of the then outstanding voting stock of the Company by
another corporation or entity.

     (d)  After June 30, 2001.  After June 30, 2001, the number of directors
constituting the Board of Directors of the Company shall be increased by one,
and the holders of Series A Preferred Stock, voting as a separate series shall
be 


                                       4
<PAGE>
 
entitled by written consent or at the next annual meeting of stockholders or
the next special meeting of stockholders, or at a special meeting of holders of
Series A Preferred Stock called as hereinafter provided, to elect a director to
fill such newly created directorship, without diminution of their right to
participate with holders of Common Stock and holders, if any, of any other
capital stock of the Corporation entitled to vote for the election of directors
in the election of any other directors.

     Whenever such voting right shall vest, it may be exercised initially by
consent in writing of the holders of two-thirds (2/3) of the Series A Preferred
Stock at the time outstanding or at a special meeting of holders of Series A
Preferred Stock or at any annual or special stockholders' meeting, but
thereafter it shall be exercised only at annual stockholders' meetings. A
special meeting for the exercise of such right shall be called by the Secretary
of the Corporation within ten days after receipt of a written request therefor,
signed by the holders of record of at least 10% of the votes of the then
outstanding shares of Series A Preferred Stock; however, no such special meeting
shall be held during the 90-day period preceding the date fixed for the annual
meeting of stockholders.

     Any director who shall have been elected by holders of Series A Preferred
Stock as a series pursuant to this subsection shall hold office for a term
expiring (subject to the earlier termination of arrearages) at the next annual
meeting of stockholders, and during such term may be removed at any time, either
for or without cause, only by the affirmative votes of holders of record of a
majority of the votes of the then outstanding shares of Series A Preferred Stock
given at a special meeting of such stockholders called for the purpose or by
written consent of two-thirds (2/3). Any vacancy created by such removal may
also be filled at such meeting or by such a consent. A meeting for the removal
of a director elected by holders of Series A Preferred Stock as a series and the
filling of the vacancy created thereby shall be called by the Secretary of the
Corporation within ten days after receipt of a written request therefor, signed
by the holders of not less than 25% of the votes of the then outstanding shares
of Series A Preferred Stock. Such meeting shall be held at the earliest
practicable date thereafter.

     Any vacancy caused by the death, resignation, or expiration of term (except
upon a termination of arrearages) of a director who shall have been elected by
the holders of Series A Preferred Stock as a series pursuant to this subsection
may be filled only by the holders of Series A Preferred Stock by written consent
of two-thirds (2/3), at any annual or special stockholders' meeting, or at a
meeting called for such purpose. Such meeting of the holders of Series A
Preferred Stock shall be called by the Secretary of the Corporation at the
earliest practicable date after any such death or resignation and in any

                                       5
<PAGE>
 
event within ten days after receipt of a written request therefor, signed by the
holders of record of at least 10% of the votes of the then outstanding shares of
Series A Preferred Stock.

     If any meeting of the holders of Series A Preferred Stock required by this
subsection to be called shall not have been called within ten days after
personal service of a written request therefor upon the Secretary of the
Corporation or within 15 days after mailing the same within the United States of
America by registered mail addressed to the Secretary of the Corporation at its
principal office, then holders of record of at least 10% of the votes of the
then outstanding shares of Series A Preferred Stock may designate in writing one
of their number to call such a meeting may be called by such person so
designated upon the notice required for annual meetings of stockholders.  Any
holder of Series A Preferred Stock so designated shall have access to the stock
books of the Company for the purpose of causing meetings of stockholders to be
called pursuant to these provisions.

     Any meeting of holders of Series A Preferred Stock to vote as a series for
the election or removal of directors shall be held at such place or places
designated in the Company's Bylaws for meeting of its stockholders or at such
other place as the holders of at least 10% of the votes of the then outstanding
shares of Series A Preferred Stock may designate. At such meeting, the presence
in person or by proxy of holders of a majority of the votes of the then
outstanding shares of Series A Preferred Stock shall be required to constitute a
quorum; in the absence of a quorum, a majority of the holders present in person
or by proxy shall have power to adjourn the meeting from time to time without
notice, other than announcement at the meeting, until a quorum shall be present.

4.   Optional Conversion.

     The holders of the Series A Preferred Stock shall have conversion rights as
follows (the "Conversion Rights"):

     (a)  Right to Convert.  Each share of Series A Preferred stock shall be
convertible, at the option of the holder thereof, without the payment of
additional consideration by the holder thereof, at any time and from time to
time, into such number of fully paid and nonassessable shares of Common Stock as
is determined by dividing the amount a holder of one share of Series A Preferred
Stock would be entitled to receive pursuant to Section 2 hereof upon the
liquidation, dissolution or winding up of the Company by the Conversion Price
(as defined below) in effect at the time of conversion.  The Conversion Price at
which shares of Common Stock shall be deliverable upon 


                                       6
<PAGE>
 
conversion of Series A Preferred Stock (the "Conversion Price") shall initially
be $3.50. Such initial Conversion Price, and the rate at which shares of Series
A Preferred Stock may be converted into shares of Common Stock, shall be subject
to adjustment as provided below.

     In the event of a liquidation of the Company, the Conversion Rights shall
terminate at the close of business on the first full day preceding the date
fixed for the payment of any amounts distributable on liquidation to the holders
of Series A Preferred Stock.
 
     (b)  Fractional Shares. No fractional shares of Common Stock shall be
issued upon conversion of the Series A Preferred Stock. In lieu of fractional
shares, the Company shall pay cash equal to such fraction multiplied by the then
effective Conversion Price.

     (c)  Mechanics of Conversion.

          (i)   In order to convert shares of Series A Preferred Stock into
shares of Common Stock, the holder shall surrender the certificate or
certificates for such shares of Series A Preferred Stock at the principal office
of the Company, together with written notice that such holder elects to convert
all or any number of the shares represented by such certificate or certificates.
Such notice shall state such holder's name or the names of the nominees in which
such holder wishes the certificate or certificates for shares of Common Stock to
be issued. If required by the Company, certificates surrendered for conversion
shall be endorsed or accompanied by a written instrument or instruments of
transfer, in form satisfactory to the Company, duly executed by the registered
holder or his or its attorney duly authorized in writing. The date of receipt of
such certificates and notice by the Company shall be the conversion date
("Conversion Date"). The Company shall, as soon as practicable after the
Conversion Date, issue and deliver at the place requested by such holder, or to
his nominees, a certificate or certificates for the number of shares of Common
Stock to which such holder shall be entitled, together with cash in lieu of any
fraction of a share.

          (ii)  The Company shall at all times during which the Series A
Preferred Stock shall be outstanding, reserve and keep available out of its
authorized but unissued stock, for the purpose of effecting the conversion of
the Series A Preferred Stock, such number of its duly authorized shares of
Common Stock as shall from time to time be sufficient to effect the conversion
of all outstanding Series A Preferred Stock. Before taking any action which
would cause an adjustment reducing the Conversion Price below the then par value
of the shares of Common Stock issuable upon conversion of the Series A 



                                       7
<PAGE>
 
Preferred Stock, the Company will take any corporate action which may, in the
opinion of its counsel, be necessary in order that the Company may validly and
legally issue fully paid and nonassessable shares of Common Stock at such
adjusted Conversion Price.

          (iii) All shares of Series A Preferred Stock surrendered for
conversion as herein provided shall no longer be deemed to be outstanding, and
all rights with respect to such shares, including the rights, if any, to receive
dividends, notices and to vote, shall immediately cease and terminate on the
Conversion Date, except only the right of the holders thereof to receive shares
of Common Stock and cash in lieu of fractional shares in exchange therefore. Any
shares of Series A Preferred Stock so converted shall be retired and cancelled
and shall not be reissued, and the Company may from time to time take such
appropriate action as may be necessary to reduce the number of shares of
authorized Series A Preferred Stock accordingly.

          (iv)  If the conversion is in connection with an underwritten offering
of securities registered pursuant to the Securities Act of 1933, as amended, the
conversion may at the option of any holder tendering Series A Preferred Stock
for conversion be conditioned upon the closing with the underwriter of the sale
of securities pursuant to such offering, in which event the person(s) entitled
to receive the Common Stock issuable upon such conversion of the Series A
Preferred Stock shall not be deemed to have converted such Series A Preferred
Stock until simultaneously with or immediately prior to the closing of the sale
of securities.

     (d)  Adjustments to Conversion Price for Diluting Issues.

          (i)   Special Definitions. For purposes of this Subsection 4(d), the
following definitions shall apply:

                (A)  "Option" shall mean rights, options or warrants to
subscribe for, purchase or otherwise acquire Common Stock or Convertible
Securities, excluding "Key Employee Options" (as defined below).

                (B)  "Original Issue Date" shall mean the date on which the
first share of Series A Preferred Stock is first issued.

                (C)  "Convertible Securities" shall mean any evidences of
indebtedness, shares or other securities directly or indirectly convertible into
or exchangeable for Common Stock.

                (D)  "Additional Shares of Common Stock" shall mean all shares
of Common Stock issued (or, pursuant to subsection 4(d)(iii) below, 


                                       8
<PAGE>
 
deemed to be issued) by the Company after the Original Issue Date, other than
shares of Common Stock issued or issuable:

                                  (1)  as a dividend or distribution on Series A
                                       Preferred Stock;

                                  (2)  by reason of a dividend, stock split,
                                       split-up or other distribution on shares
                                       of Common Stock excluded from the
                                       definition of Additional Shares of Common
                                       Stock by the foregoing clause (1);

                                  (3)  upon the exercise of Key Employee
                                       Options;

                                  (4)  upon conversion of shares of Series A
                                       Preferred Stock; or

                                  (5)  upon the exercise or conversion of an
                                       Option or any Rights to Acquire Common
                                       Stock granted or issued by the Company on
                                       or before April 12, 1996.

                (E)  "Key Employee Options" shall mean rights or options granted
to employees, directors or consultants of the Company pursuant to the Company's
1988 Stock Option Plan, not exercisable in the aggregate (including options
already granted under such Plan) for more than 1,000,000 shares.

                (F)  "Rights to Acquire Common Stock" (or "Rights") shall mean
all rights whatever issued by the Company to acquire Common Stock by exercise of
a warrant, option or similar call or conversion of any existing instruments, in
either case for consideration fixed, in amount or by formula, as of the date of
issuance.

          (ii)  No Adjustment of Conversion Price. No adjustment of the number
of shares of Common Stock into which the Series A Preferred Stock is convertible
shall be made, by adjustment in the applicable Conversion Price thereof: (a)
unless the consideration per share (determined pursuant to Subsection 4(d)(v))
below for an Additional Share of Common Stock issued or deemed to be issued by
the Company is less than the applicable Conversion Price in effect on the date
of, and immediately prior to, the issue of such additional shares, or (b) if
prior to such issuance, the Company receives written notice from holders of at
least 66-2/3% of the then outstanding shares of Series 


                                       9
<PAGE>
 
A Preferred Stock agreeing that no such adjustment shall be made as the result
of the issuance of Additional Shares of Common Stock.

          (iii) Issue of Securities Deemed Issue of Additional Shares of Common
Stock. If the Company at any time or from time to time after the Original Issue
Date shall issue any Options or Convertible Securities or other Rights to
Acquire Common Stock, then the maximum number of shares of Common Stock (as set
forth in the instrument relating thereto without regard to any provision
contained therein for a subsequent adjustment of such number) issuable upon the
exercise of such Options, Rights or, in the case of Convertible Securities, the
conversion or exchange of such Convertible Securities, shall be deemed to be
Additional Shares of Common Stock issued as of the time of such issue, provided
that Additional Shares of Common Stock shall not be deemed to have been issued
unless the consideration per share (determined pursuant to Subsection 4(d)(v)
hereof) of such Additional Shares of Common Stock would be less than the
applicable Conversion Price in effect on the date of and immediately prior to
such issue, or such record date, as the case may be, and provided further that
in any such case in which Additional Shares of Common Stock are deemed to be
issued:

                (A)  No further adjustment in the Conversion Price shall be made
upon the subsequent issue of shares of Common Stock upon the exercise of such
Rights or conversion or exchange of such Convertible Securities;

                (B)  Upon the expiration or termination of any unexercised
Option or Right, the Conversion Price shall not be readjusted, but the
Additional Shares of Common Stock deemed issued as the result of the original
issue of such Option or Right shall not be deemed issued for the purposes of any
subsequent adjustment of the Conversion Price; and

                (C)  In the event of any change in the number of shares of
Common Stock issuable upon the exercise, conversion or exchange of any Option,
Right or Convertible Security, including, but not limited to, a change resulting
from the anti-dilution provisions thereof, the Conversion Price then in effect
shall forthwith be readjusted (but not upwards) to such Conversion Price as
would have obtained had the adjustment that was made upon the issuance of such
Option, Right or Convertible Security not exercised or converted prior to such
change been made upon the basis of such change, but no further adjustment shall
be made for the actual issuance of Common Stock upon the exercise or conversion
of any such Option, Right or Convertible Security.


                                      10
<PAGE>
 
          (iv)  Adjustment of Conversion Price upon Issuance of Additional
Shares of Common Stock. If the Company shall at any time after the Original
Issue Date issue Additional Shares of Common Stock (including Additional Shares
of Common Stock deemed to be issued pursuant to Subsection 4(d)(iii), but
excluding shares issued as a dividend or distribution as provided in Subsection
4(f) or upon a stock split or combination as provided in Subsection 4(e)),
without consideration or for a consideration per share less than the applicable
Conversion Price in effect on the date of and immediately prior to such issue,
then and in such event, such Conversion Price shall be reduced, concurrently
with such issue to a price (calculated to the nearest cent) equal to the
consideration per share received by the Company for such Additional Shares of
Common Stock.

          Notwithstanding the foregoing, the applicable Conversion Price shall
not be reduced if the amount of such reduction would be an amount less than
$.01, but any such amount shall be carried forward and reduction with respect
thereto made at the time of and together with any subsequent reduction which,
together with such amount and any other amount or amounts so carried forward,
shall aggregate $.01 or more.

          (v)   Determination of Consideration. For purposes of this Subsection
4(d), the consideration received by the Company for the issue of any Additional
Shares of Common Stock shall be computed as follows:

                (A)  Cash and Property: Such consideration shall:

                                  (1)  insofar as it consists of cash, be
                                       computed at the aggregate of cash
                                       received by the Company, excluding
                                       amounts paid or payable for accrued
                                       interest or accrued dividends;

                                  (2)  insofar as it consists of property other
                                       than cash, be computed at the fair market
                                       value thereof at the time of such issue,
                                       as determined in good faith by the
                                       Company's Board of Directors; and

                                  (3)  in the even Additional Shares of Common
                                       Stock are issued together with other
                                       shares or securities or other assets of
                                       the Company for consideration which
                                       covers both, be the proportion of such
                                       consideration so received, computed as
                                       provided in clauses (1) and (2) above, as
                                       determined in good faith by the Company's
                                       Board of Directors.


                                      11
<PAGE>
 
                (B)  Options, Rights and Convertible Securities: The
consideration per share received by the Company for Additional Shares of Common
Stock deemed to have been issued pursuant to Subsection 4(d)(iii), relating to
Options, Rights and Convertible Securities, shall be determined by dividing

                                  .    the total amount, if any, received or
                                       receivable by the Company as
                                       consideration for the issue of such
                                       Options, Rights or Convertible
                                       Securities, plus the minimum aggregate
                                       amount of additional consideration (as
                                       set forth in the instruments relating
                                       thereto, without regard to any provision
                                       contained therein for a subsequent
                                       adjustment of such consideration) payable
                                       to the Company upon the exercise of such
                                       Options, Rights or the conversion or
                                       exchange of such Convertible Securities,
                                       by

                                  .    the maximum number of shares of Common
                                       Stock (as set forth in the instruments
                                       relating thereto, without regard to any
                                       provision contained therein for a
                                       subsequent adjustment of such number)
                                       issuable upon the exercise of such
                                       Options or Rights or the conversion or
                                       exchange of such Convertible Securities.

     (e)  Adjustment for Stock Splits and Combinations. If the Company shall at
any time or from time to time after the Original Issue Date effect a subdivision
of the outstanding Common Stock, the Conversion Price then in effect immediately
before that subdivision shall be proportionately decreased. If the Company shall
at any time or from time to time after the Original Issue Date combine the
outstanding shares of Common Stock, the Conversion Price then in effect
immediately before the combination shall be proportionately increased. Any
adjustment under this paragraph shall become effective at the close of business
on the date the subdivision or combination becomes effective.

     (f)  Adjustment for Certain Dividends and Distributions. In the event the
Company at any time or from time to time after the Original Issue Date shall
make or issue a dividend or other distribution payable in Additional Shares of
Common Stock, then and in each such event the Conversion Price shall be
decreased as of the time of such issuance, by multiplying the Conversion Price
by a fraction;


                                      12
<PAGE>
 
                                  .    the numerator of which shall be the total
                                       number of shares of Common Stock issued
                                       and outstanding immediately prior to the
                                       time of such issuance, and

                                  .    the denominator of which shall be the
                                       total number of shares of Common Stock
                                       issued and outstanding immediately prior
                                       to the time of such issuance plus the
                                       number of shares of Common Stock issuable
                                       in payment of such dividend or
                                       distribution.

     (g)  Adjustments for Other Dividends and Distributions.  In the event the
Company at any time or from time to time after the Original Issue Date shall
make or issue a dividend or other distribution payable in securities of the
Company other than shares of Common Stock, then and in each such event provision
shall be made so that the holders of shares of the Series A Preferred Stock
shall receive upon conversion thereof in addition to the number of shares of
Common Stock receivable thereupon, the amount of securities of the Company that
they would have received had their Series A Preferred Stock been converted into
Common Stock on the date of such event and had thereafter, during the period
from the date of such event to and including the conversion date, retained such
securities receivable by them as aforesaid during such period given application
to all adjustments called for during such period, under this paragraph with
respect to the rights of the holders of the Series A Preferred Stock.

    (h)   Adjustment for Reclassification, Exchange, or Substitution. If the
Common Stock issuable upon the conversion of the Series A Preferred Stock shall
be changed into the same or a different number of shares of any class or classes
of stock, whether by capital reorganization, reclassification, or otherwise
(other than a subdivision or combination of shares or stock dividend provided
for above, or a reorganization, merger, consolidation, share exchange or sale of
assets for below), then and in each such event the holder of each share of
Series A Preferred Stock shall have the right thereafter to convert such share
into the kind and amount of shares of stock and other securities and property
receivable upon such reorganization, reclassification, or other change, by
holders of the number of shares of Common Stock into which such shares of Series
A Preferred Stock might have been converted immediately prior to such
reorganization, reclassification, or change, all subject to further adjustment
as provided herein.

     (i)  Adjustment for Merger or Reorganization, etc.   In case of any
consolidation, merger or share exchange of the Company with or into another


                                      13
<PAGE>
 
corporation or the sale of all or substantially all of the assets of the Company
to another corporation to which the holders of Series A Preferred Stock shall
have consented in accordance with Section 3 hereof, then each share of Series A
Preferred Stock shall thereafter be convertible into the kind and amount of
shares of stock or other securities or property to which a holder of the number
of shares of Common Stock of the Company deliverable upon conversion of such
Series A Preferred Stock would have been entitled upon such consolidation,
merger or sale; and, in such case, appropriate adjustment (as determined in good
faith by the Board of Directors) shall be made in the application of the
provisions in this Section 4 set forth with respect to the rights and interest
thereafter of the holders of the Series A Preferred Stock, to the end that the
provisions set forth in this Section 4 (including provisions with respect to
changes in and other adjustments of the Conversion Price) shall thereafter be
applicable, as nearly as reasonably may be, in relation to any shares of stock
or other property thereafter deliverable upon the conversion of the Series A
Preferred Stock.

     (j)  No Impairment.  The Company will not, by amendment of its Articles of
Incorporation or through any reorganization, transfer of assets, consolidation,
merger, share exchange, dissolution, issue or sale of securities or any other
voluntary action, avoid or seek to avoid the observance or performance of any of
the terms to be observed or performed hereunder by the Company, but will at all
times in good faith assist in the carrying out of all the provisions of this
Section 4 and in the taking of all such action as may be necessary or
appropriate in order to protect the Conversion Rights of the holders of the
Series A Preferred Stock against impairment.

     (k)  Certificate as to Adjustments. Upon the occurrence of each adjustment
or readjustment of the Conversion Price pursuant to this Section 4, the Company
at its expense shall promptly compute such adjustment or readjustment in
accordance with the terms hereof and furnish to each holder of Series A
Preferred Stock a certificate setting forth such adjustment and showing in
detail the facts upon which such adjustment or readjustment is based and shall
file a copy of such certificate with its corporate records. The Company shall,
upon the written request at any time of any holder of Series A Preferred Stock,
furnish or cause to be furnished to such holder a similar certificate setting
forth (1) such adjustments and readjustments, (2) the Conversion Price then in
effect, and (3) the number of shares of Common Stock and the amount, if any, of
other property which then would be received upon the conversion of Series A
Preferred Stock. Despite such adjustment or readjustment, the form of each or
all stock certificate representing Series A Preferred Stock, if the same shall
reflect the initial or any subsequent conversion price, need not be changed in
order for the adjustments or 


                                      14
<PAGE>
 
readjustments to be valued in accordance with the provisions of this Certificate
of Designation, which shall control.

                (l)  Notice of Record Date.  In the event:

                                  1.   that the Company declares a dividend (or
                                       any other distribution) on its Common
                                       Stock;

                                  2.   that the Company subdivides or combines
                                       its outstanding shares of Common Stock;

                                  3.   of any reclassification of the Common
                                       Stock of the Company (other than a
                                       subdivision or combination of its
                                       outstanding shares of Common Stock or a
                                       stock dividend or stock distribution
                                       thereon), or of any consolidation, merger
                                       or share exchange of the Company into or
                                       with another corporation, or of the sale
                                       of all or substantially all of the assets
                                       of the Company; or

                                  4.   of the involuntary or voluntary
                                       dissolution, liquidation or winding up of
                                       the Company;

then the Company shall cause to be filed at its principal office and shall cause
to be mailed to the holders of the Series A Preferred Stock at their last
addresses as shown on the records of the Company, at least 20 days prior to the
record date specified in (A) below or 20 days before the date specified in (B)
below, a notice stating

                (A)  the record date of such dividend, distribution, subdivision
or combination, or, if a record is not to be taken, the date as to which the
holders of Common Stock of record to be entitled to such dividend, distribution,
subdivision or combination are to be determined, or

                (B)  the date on which such reclassification, consolidation,
merger, share exchange, sale, dissolution, liquidation or winding up is expected
to become effective, and the date as of which it is expected that holders of
Common Stock of record shall be entitled to exchange their shares of Common
Stock for securities or other property deliverable upon such reclassification,
consolidation, merger, sale, dissolution or winding up.


                                      15
<PAGE>
 
5.   Mandatory Conversion.

     (a)  Mandatory Conversion. The Company may, at its option, require all (and
not less than all) holders of shares of Series A Preferred Stock then
outstanding to convert their shares of Series A Preferred Stock into shares of
Common Stock, at the then effective conversion rate pursuant to Section 4 hereof
if the average daily trading volume of Common Stock for the 30 consecutive days
of trading ending not more than 5 calendar days immediately preceding the date
of the notice described in subsection 5(b) hereof equals or exceeds 16,500
shares (33,000 if the principal trading market for Common Stock is a NASDAQ or
other over-the-counter market and such market includes, or "double counts," both
buy and sell transactions with respect to the same shares in reporting volume)
and the Company's Common Stock shall have had an average closing market price on
the principal stock exchange on which it is listed (or, if not listed on any
stock exchange, a last sale price on the NASDAQ National Market System, or if
not listed or admitted to trading on such system, a closing bid price in the
over-the-counter market) of not less than $5.50 (subject to appropriate
adjustments in the event of any stock dividend, stock split, combination or
other similar recapitalization affecting such shares) on the same period of 30
consecutive trading days.

     (b)  Notice. All holders of record of shares of Series A Preferred Stock
then outstanding will be given at least 10 days' prior written notice of the
date fixed and the place designated for mandatory or special conversion of all
such shares of Series A Preferred Stock pursuant to this Section 5. Such notice
will be sent by first class or registered mail, postage prepaid, to each record
holder of Series A Preferred Stock at such holder's address last shown on the
records of the Company.

6.   Redemption of the Series A Preferred Stock.

     (a)  Optional Redemption; Notice. If, on June 30, 2001, any shares of
Series A Preferred Stock shall be then outstanding, the Company may redeem
(unless otherwise prevented by law) all (but not less than all) such outstanding
shares at any amount per share equal to $100.00 plus an amount equal to accrued
but unpaid dividends, if any, to the date of redemption of such share (the
"Redemption Price"). 60 days' prior notice by the Company of such redemption
shall be sent by first-class certified mail, postage prepaid and return receipt
requested, by the Company to the holders of the shares of Series A Preferred
Stock to be redeemed at their respective addresses as the same shall appear on
the books of the Company.

     (b)  Deposit.  On or prior to the date of redemption contained in a notice
pursuant to Section 6(a) hereof (the "Redemption Date"), the Company shall
deposit the Redemption Price of all shares of Series A Preferred Stock with 


                                      16
<PAGE>
 
a bank or trust corporation having aggregate capital and surplus in excess of
$100,000 as a trust fund for the benefit of the respective holders of Series A
Preferred Stock, with irrevocable instructions and authority to the bank or
trust corporation to pay the Redemption Price for such shares to their
respective holder on or after the Redemption Date upon receipt of his share
certificate or notification from the Company that such holder has surrendered
his share certificate to the Company. As of the Redemption Date, the deposit
shall constitute full payment of the Redemption Price to their holders, and from
and after the Redemption Date the shares so called for redemption shall be
redeemed and shall be deemed to be no longer outstanding, and the holders
thereof shall cease to be stockholders with respect to such shares and shall
have no rights with respect thereto except the rights to receive from the bank
or trust corporation payment of the Redemption Price of the shares, without
interest, upon surrender of their certificates therefor. Such instructions shall
also provide that any moneys deposited by the Company pursuant to this Section
6(b) for the redemption of the shares thereafter converted into shares of the
Company's Common Stock pursuant to Section 4 hereof prior to Redemption Date
shall be returned to the Company forthwith upon such conversion. The balance of
any moneys deposited by the Company pursuant to this Section 6(b) remaining
unclaimed at the expiration of six (6) months following the Redemption Date
shall thereafter be returned to the Company upon its request expressed in a
resolution of its Board of Directors. The Company will be responsible for costs
and expenses to be incurred in connection with such deposit arrangement, such
amounts to be offset by any interest earned on the deposit, with any excess
interest to be payable to the Company.

     (c)  Cancellation of Redeemed Stock. Any shares of Series A Preferred Stock
redeemed pursuant to this Section or otherwise acquired by the Company in any
manner whatsoever shall be cancelled and shall not under any circumstances be
reissued; the Company may from time to time take such appropriate corporate
action as may be necessary to reduce accordingly the number of authorized shares
of the Company's capital stock.

     (d)  Repurchase Prohibited.  The Company will not, and will not permit any
affiliate (as defined in the Securities Exchange Act of 1934, as amended) of the
Company to, purchase or acquire any shares of Series A Preferred Stock otherwise
than pursuant to (1) the terms of this Section 6, or (2) an offer made on the
same terms to all holders of Series A Preferred Stock at the time outstanding.

     (e)  Right to Convert Unaffected. Anything contained in this Section 6 to
the contrary notwithstanding, the holders of shares of Series A Preferred Stock
to be redeemed in accordance with this Section 6 shall have the right,


                                      17
<PAGE>
 
exercisable at any time up to the close of business on the applicable redemption
date (unless the Company is legally prohibited from redeeming such shares on
such date, in which event such right shall be exercisable until the removal of
such legal disability), to convert all or any part of such shares to be redeemed
as herein provided into shares of Common Stock pursuant to Section 4 hereof.

7.   Sinking Fund.

     There shall be no sinking fund for the payment of dividends or liquidation
preference on Series A Preferred Stock or the redemption of any shares thereof.

8.   Amendment.

     This Certificate of Designation constitutes an agreement between the
Company and the holders of the Series A Preferred Stock. It may be amended by
vote of the Board of Directors of the Company and the holders of two-thirds
(2/3) of the outstanding shares of Series A Preferred Stock.


THIRD:  The foregoing resolutions have been adopted by all necessary action on
the part of the Company.


        Dated:  May 14, 1996

                                            DRCA MEDICAL CORPORATION


                                            By: /s/ Jeff R. Casey
                                                _________________________
                                            Name: Jeff R. Casey
                                                 ________________________
                                            Title: Senior Vice President
                                                  _______________________

                                      18

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                       6,715,208
<SECURITIES>                                         0
<RECEIVABLES>                                6,115,438
<ALLOWANCES>                                 3,134,049
<INVENTORY>                                          0
<CURRENT-ASSETS>                            10,164,164
<PP&E>                                       4,046,775
<DEPRECIATION>                               3,294,221
<TOTAL-ASSETS>                              11,133,537
<CURRENT-LIABILITIES>                        2,971,911
<BONDS>                                        302,726
                              252
                                          0
<COMMON>                                         5,303
<OTHER-SE>                                   7,639,061
<TOTAL-LIABILITY-AND-EQUITY>                11,133,537
<SALES>                                      1,563,459
<TOTAL-REVENUES>                             1,563,459
<CGS>                                        1,990,779
<TOTAL-COSTS>                                1,990,779
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                               375,376
<INTEREST-EXPENSE>                              18,711
<INCOME-PRETAX>                              (344,039)
<INCOME-TAX>                                   130,735
<INCOME-CONTINUING>                          (213,304)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (213,304)
<EPS-PRIMARY>                                    (.05)
<EPS-DILUTED>                                    (.05)
        

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