Exhibit 24.1


                                POWER OF ATTORNEY


         Know all by these presents, that the undersigned hereby authorizes
Jeffrey Hellman, Thomas Pezick and Carla Marcinko to execute for and on behalf
of the undersigned, Forms 3, 4 and 5, and any amendments thereto, and cause such
form(s) to be filed with the United States Securities and Exchange Commission
pursuant to Section 16(a) of the Securities Act of 1934, relating to the
undersigned's beneficial ownership of securities in Integra LifeSciences
Holdings Corporation (the "Company"). The undersigned hereby grants to each such
attorney-in-fact full power and authority to do and perform any and every act
and thing whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and confirming all that
such attorney-in-fact, or such attorney-in-fact's substitute or substitutes,
shall lawfully do or cause to be done by virtue of this power of attorney and
the rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

         This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of, and transactions in, securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.

         IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 10th day of April, 2005.


                                                     /s/ David Auth

                                                     Print Name: David Auth