POWER OF ATTORNEY


Know all by these presents, that the undersigned hereby authorizes Wilma Davis,
Richard Gorelick, Kathryn Lamping and Richard Porter 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 also authorizes the above
persons to execute for and on behalf of the undersigned any Form ID or similar
document required to obtain or renew Securities and Exchange Commission
electronic filings codes and passwords and cause such form(s) to be submitted to
and/or filed with the Securities and Exchange Commission. 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 29th day of October, 2007.


                            /s/ Stuart Essig.

                            Print Name: Stuart Essig.