EXHIBIT 3.6



                        THE COMMONWEALTH OF MASSACHUSETTS
                             William Francis Galvin
                          Secretary of the Commonwealth

                ONE ASHBURTON PLACE, BOSTON, MASSACHUSETTS 02108
                              ARTICLES OF AMENDMENT
                     General Laws, Chapter 156B, Section 72


                                                          Federal Identification
                                                                  No. 04-2741310





We, James W. Hobbs,                                              President/, and
Justin P. Morreale                                                     Clerk/ of



                               Luxtec Corporation
                               ------------------
                           (EXACT Name of Corporation)

                Located at 326 Clark Street, Worcester MA 05606
                -----------------------------------------------
                     (MASSACHUSETTS Address of Corporation)

do hereby certify that these ARTICLES OF AMENDMENT affecting Articles NUMBERED 3
--------------------------------------------------------------------------------



of the Articles of  Organization  were duly adopted at a meeting held on October
20 1995, by vote of

850,707 shares of      Common Stock       out of 1,438,661 shares outstanding,
                       ------------------
                 type, class & series (if any)

           shares of                         out of      shares outstanding, and
                       ------------------
                 type, class & series (if any)

           shares of                         out of      shares outstanding, and
                       ------------------
                 type, class & series (if any)

CROSS OUT
INAPPLICABLE
CLAUSE

         a majority of each type,  class or series  outstanding  and entitled to
         vote thereon:

VOTED:   To amend the Articles of Organization of the Corporation to increase
         the authorized number of shares of Common Stock
         of the Corporation from 2,000,000 to 10,000,000.



(1) For  amendment  adopted  pursuant  to  Chapter  156B,  Section  70.
(2) For  amendment  adopted  pursuant  to  Chapter  156B,  Section  71.

Note:  If the  space  provided  under  any  Amendment  or item  on this  form is
insufficient,  additions  shall be set  forth on  separate  8 1/2 x 11 sheets of
paper  leaving a left-hand margin of at least 1 inch for  binding.  Additions to
more  than one  Amendment  may be  continued  on a single  sheet so long as each
Amendment requiring each such addition is clearly indicated.


<PAGE>

TO CHANGE the number of shares and the par value (if any) of any type,  class or
series of stock  which  the  corporation  is  authorized  to issue,  fill in the
following:

The total presently authorized is:

<TABLE>
<CAPTION>
<BTB>
------------------------------------------------------------ ----- -----------------------------------------------------------------
                 WITHOUT PAR VALUE STOCKS                                                WITH PAR VALUE STOCKS
------------------------------------------------------------ ----- -----------------------------------------------------------------
         TYPE                    NUMBER OF SHARES                         TYPE             NUMBER OF SHARES          PAR VALUE
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------
<S> <C>
COMMON:                                                            COMMON:              2,000,000               $.01
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------
PREFERRED:                                                         PREFERRED:
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------


CHANGE the total authorized to:


------------------------------------------------------------ ----- -----------------------------------------------------------------
                 WITHOUT PAR VALUE STOCKS                                                WITH PAR VALUE STOCKS
------------------------------------------------------------ ----- -----------------------------------------------------------------
         TYPE                    NUMBER OF SHARES                         TYPE             NUMBER OF SHARES          PAR VALUE
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------

COMMON:                                                            COMMON:              10,000,000              $.01
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------

PREFERRED:                                                         PREFERRED:
----------------------- ------------------------------------ ----- -------------------- ----------------------- --------------------

</TABLE>
<PAGE>

The foregoing  amendment will become  effective when these articles of amendment
are filed in accordance with Chapter 156B,  Section 6 of The General Laws unless
these articles  specify,  in accordance with the vote adopting the amendment,  a
later effective date not more than thirty day after such filing,  in which event
the amendment will become effective on such later date. LATER EFFECTIVE DATE:

IN WITNESS  WHEREOF AND UNDER THE PENALTIES OF PERJULY,  we have hereunto signed
our names this 20th day of October, in the year 1995.


                                                                       President
--------------------------------------------------------------------------------

                                                                           Clerk
--------------------------------------------------------------------------------




<PAGE>

                        THE COMMONWEALTH OF MASSACHUSETTS

                              ARTICLES OF AMENDMENT
                     GENERAL LAWS, CHAPTER 156B, SECTION 72

================================================================================



I hereby  approve the within  articles of  amendment  and, the filing fee in the
amount of  $8,000.00  having been paid,  said  articles  are deemed to have been
filed with me this 20th day of October 1995



                           --------------------------
                             William Francis Galvin
                          Secretary of the Commonwealth







                         TO BE FILLED IN BY CORPORATION
                  PHOTOCOPY OF ARTICLES OF AMENDMENT TO BE SENT


                To:           Victor J. Paci, Esq.
                              Bingham, Dana & Gould
                      150 Federal Street, Boston, MA 02110
                            Telephone (617) 951-8000