Exhibit 10.26




                                  HemaSure Inc.

                     Amendment to 1994 Director Option Plan
                     --------------------------------------

                      Adopted by the Board of Directors on
                                  June 25, 1996


RESOLVED: That Section 5(e) of the Company's 1994 Director Option Plan be
          amended by adding a new subsection (iii) to read in its entirety as
          follows:

               (iii) Acceleration Upon Change in Control. Notwithstanding the
               foregoing, each outstanding option granted under the Plan shall
               immediately become exercisable in full in the event a Change in
               Control (as defined in Section 9) of the Company occurs.

RESOLVED: That Section 9 be amended by adding a new subsection (c) to read in
          its entirety as follows:

               (c) Change in Control. For purposes of the Plan, a "Change in
               Control" shall be deemed to have occurred only if any of the
               following events occurs: (i) any "person", as such term is used
               in Sections 13(d) and 14(d) of the Securities Exchange Act of
               1934 (as amended, the "Exchange Act") (other than the Company,
               any trustee or other fiduciary holding securities under an
               employee benefit plan of the Company, or any corporation owned
               directly or indirectly by the stockholders of the Company in
               substantially the same proportion as their ownership of stock of
               the Company), is or becomes the "beneficial owner" (as defined in
               Rule 13d-3 under the Exchange Act), directly or indirectly, of
               securities of the Company representing 50% or more of the
               combined voting power of the Company's then outstanding
               securities; (ii) the stockholders of the Company approve a merger
               or consolidation of the Company with any other corporation, other
               than a merger or consolidation which would result in the voting
               securities of the Company outstanding immediately prior thereto
               continuing to represent (either by remaining outstanding or by
               being converted into voting securities of the surviving entity)
               more than 50% of the combined voting power of the voting
               securities of the Company or such surviving entity outstanding
               immediately after such merger or



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               consolidation; (iii) the stockholders of the Company approve a
               plan of complete liquidation of the Company or an agreement for
               the sale or disposition by the Company of all or substantially
               all of the Company's assets; or (iv) individuals who, on the date
               on which the Plan was adopted by the Board of Directors,
               constituted the Board of Directors of the Company, together with
               any new director whose election by the Board of Directors or
               nomination for election by the Company's stockholders was
               approved by a vote of at least a majority of the directors then
               still in office who were directors on the date on which the Plan
               was adopted by the Board of Directors or whose election or
               nomination was previously so approved, cease for any reason to
               constitute at least a majority of the Board of Directors.

                                       -2-


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