THIRD SUPPLEMENT TO THE

              CONFIDENTIAL PRIVATE PLACEMENT MEMORANDUM AND CONSENT

                                 April 19, 2000

                   FLORIDA LITHOTRIPTERS LIMITED PARTNERSHIP I

                                2008 Litho Place

                       Fayetteville, North Carolina 28304

                  Florida Lithotripters Limited Partnership I, a Florida limited
partnership (the  "Partnership"),  hereby  supplements its Confidential  Private
Placement Memorandum of February 25, 2000 (the "Memorandum").  Capitalized terms
used herein are defined in the Glossary appearing in the Memorandum. All persons
who have subscribed for or are considering an investment in the Units offered by
the Memorandum should carefully review this Supplement and Consent.

Competition and Revaluation of Units

                  Recently,  seven Limited  Partners in the  Tallahassee  market
acquired an interest in a competing  lithotripsy  business.  The General  Panner
believes  that  the  increase  in  competition  in  the  Tallahassee  market  in
connection with the former Limited  Partners' new venture will adversely  affect
Partnership revenues on an annual basis by approximately  $600,000.  The General
Partner was aware of the  potential  competition  prior to the  inception of the
Offering and the loss of revenue in the Tallahassee market was factored into the
valuation of the Units.  The General  Partner  intends to enforce the noncompete
provisions  of the  Limited  Partnership  Agreement  and buy  out the  competing
Limited Partners.

Reaffirmation and Consent

                  Attached to this  Supplement as Appendix A is a  Reaffirmation
and Consent that is to be utilized by each subscribing  Investor to evidence his
election  to  either  (i)  withdraw  from the  Offering  and have  returned  his
subscription funds (plus interest) and Loan Documents,  if any, or (ii) reaffirm
his  subscription.  The  Reaffirmation  and  Consent is  self-explanatory.  Each
Investor  should mark the boxes  evidencing  his  election,  and then return the
Reaffirmation and Consent to MedTech Investments, Inc.

     Questions  concerning  this  Supplement  and Consent  should be directed to
MedTech Investments, Inc., 2008 Litho Place, Fayetteville, North Carolina 28304.
MedTech's telephone number is (800) 682-7971.







                   FLORIDA LITHOTRIPTERS LIMITED PARTNERSHIP I

                          A FLORIDA LIMITED PARTNERSHIP

                            REAFFIRMATION AND CONSENT

                  Capitalized  terms  used  herein are  defined in the  Glossary
appearing in the  Confidential  Private  Placement  Meanorandum  of February 25,
2000, and accompanying supplements (the "Memorandum").

                  1.  The  undersigned  hereby   acknowledges   receipt  of  the
Supplement  and  Consent  dated  April 19,  2000.  After  careful  review of the
Supplement and Consent,  by completion and execution of this  Reaffirmation  and
Consent, the undersigned wishes to evidence his election either to withdraw from
the Offering or to reaffirm his subscriptmn.

                  Please check only one of the boxes set forth below to evIdence
your desired election:

___  I wish to withdraw  from the  Offering  and desire to have my  subscription
     funds (plus interest) and Loan Documents, if any, returned to me.

___  I wish  to  reaffirm  my  subscription  and  waive  any  withdrawal  fights
     associated  with the  Supplement and Consent and the  information  provided
     therein.

This _____ day of April, 2000.

                                         ----------------------------
                                         Signature of Subscriber

                                         ----------------------------
                                         Print or Type Name

 Since the Closing Date is scheduled for May 2, 2000, please fax this completed
 form to:

                                 (919) 323-9857
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