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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-C

                 REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ
                          INTERDEALER QUOTATION SYSTEM

                  FILED PURSUANT TO SECTION 13 OR 15(D) OF THE
                 SECURITIES EXCHANGE ACT OF 1934 AND RULE 13A-17
                              OR 15D-17 THEREUNDER

                               CIRCON CORPORATION
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                 (Exact name of issuer as specified in charter)

             6500 HOLLISTER AVENUE, SANTA BARBARA, CALIFORNIA 93117
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                    (Address of principal executive offices)

Issuer's telephone number, including area code   (805) 685-5100
                                               ---------------------------------

                    I. CHANGE IN NUMBER OF SHARES OUTSTANDING

Indicate any change (increase or decrease) of five percent or more in the number
of shares outstanding:

1.       Title of security   Common Stock
                           -----------------------------------------------------

2.       Number of shares outstanding before the change        7,988,555
                                                         -----------------------

3.       Number of shares outstanding after the change        12,328,195
                                                         -----------------------

4.       Effective date of change  August 28, 1995
                                  ----------------------------------------------

5.       Method of change:        Specify method (such as merger, acquisition, 
                                  exchange, distribution, stock split, reverse 
                                  split, acquisition of stock for treasury, 
                                  etc.)

         Issuance of approximately 4,339,640 shares of Circon Corporation Common
         Stock in exchange for 10,456,964 shares of Cabot Medical Corporation
         Common Stock.

         Give brief description of transaction: Pursuant to the terms of an
         Amended and Restated Agreement and Plan of Reorganization, dated as of
         July 10, 1995, by and among Circon Corporation ("Circon"), Circon Sub
         Corp. and Cabot Medical Corporation ("Cabot"), Cabot became a
         wholly-owned subsidiary of Circon and each share of Cabot Common Stock
         (other than dissenters' shares and shares owned by Circon Sub Corp.,
         Circon or any direct or indirect wholly-owned subsidiary of Circon or
         Cabot) was converted into 0.415 shares of Circon Common Stock.

                          II. CHANGE IN NAME OF ISSUER

1.       Name prior to change
                               -------------------------------------------------

2.       Name after change
                            ----------------------------------------------------

3.       Effective date of charter amendment changing name
                                                           ---------------------

4.       Date of shareholder approval of change, if required
                                                             -------------------

Date   September 1, 1995           /S/ RICHARD A. AUHLL
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                                   (Officer's signature and title)
                                   Richard A. Auhll, Chief Executive Officer