JOINT FILING AGREEMENT

                                                             Page 21 of 83 Pages

                                    EXHIBIT C

                             JOINT FILING AGREEMENT

                  The  undersigned  hereby agree that the  statement on Schedule
13D with respect to the Common Stock of Integra  LifeSciences  Corporation dated
April 8, 1999 is, and any amendments  thereto signed by each of the  undersigned
shall be, filed on behalf of each of us pursuant to and in  accordance  with the
provisions of Rule 13d-1(f) under the Securities Exchange Act of 1934.

Date:  April 8, 1999
                                   QUANTUM INDUSTRIAL PARTNERS LDC


                                   By:  /S/ XXXX X. XXXXXX
                                        ----------------------------------------
                                        Xxxx X. Xxxxxx
                                        Attorney-in-Fact


                                   QIH MANAGEMENT INVESTOR, L.P.

                                   By:      QIH Management, Inc.,
                                            its General Partner


                                            By:   /S/ XXXX X. XXXXXX
                                                  ------------------------------
                                                  Xxxx X. Xxxxxx
                                                  Vice President


                                   QIH MANAGEMENT, INC.


                                   By:  /S/ XXXX X. XXXXXX
                                        ----------------------------------------
                                        Xxxx X. Xxxxxx
                                        Vice President


                                   XXXXX FUND MANAGEMENT LLC


                                   By:  /S/ XXXX X. XXXXXX
                                        ----------------------------------------
                                        Xxxx X. Xxxxxx
                                        Managing Director

                                   XXXXXX XXXXX


                                   By:  /S/ XXXX X. XXXXXX
                                        ----------------------------------------
                                        Xxxx X. Xxxxxx
                                        Attorney-in-Fact








                                                             Page 22 of 83 Pages




                                  XXXXXXX X. XXXXXXXXXXXXX


                                   By:  /S/ XXXX X. XXXXXX
                                        ----------------------------------------
                                        Xxxx X. Xxxxxx
                                        Attorney-in-Fact