UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 6)*

                    INTEGRA LIFESCIENCES HOLDINGS CORPORATION
                    -----------------------------------------
                    (F/K/A INTEGRA LIFESCIENCES CORPORATION)
                    -----------------------------------------
                                (Name of Issuer)

                          Common Stock, Par Value $0.01
                          -----------------------------
                         (Title of Class of Securities)

                                    457985208
                                    ---------
                                 (CUSIP Number)

                              Stephen M. Vine, Esq.
                       Akin Gump Strauss Hauer & Feld LLP
                               590 Madison Avenue
                            New York, New York 10022
                                 (212) 872-1000
                      --------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                December 27, 2002
                                -----------------
                      (Date of Event which Requires Filing
                               of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss.240.13d-1(e),  240.13d-1(f) or 240.13d-1(g), check the
following box.

Note:  Schedules filed in paper format shall include  asigned  original and five
copies of the  schedule,  including  all exhibits.  See  ss.240.13d-7  for other
parties to whom copies are to be sent.

*The  remainder of this cover page shallbe  filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                         Continued on following page(s)
                               Page 1 of 11 Pages
                             Exhibit Index: Page 10


SCHEDULE 13D CUSIP No. 457985208 Page 2 of 11 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) QUANTUM INDUSTRIAL PARTNERS LDC 2 Check the Appropriate Box If a Member of a Group (See Instructions) a. [ ] b. [X] 3 SEC Use Only 4 Source of Funds (See Instructions) Not Applicable 5 Check Box If Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] 6 Citizenship or Place of Organization Cayman Islands 7 Sole Voting Power 2,630,625 Number of Shares Beneficially 8 Shared Voting Power Owned By 0 Each Reporting 9 Sole Dispositive Power Person 2,630,625 With 10 Shared Dispositive Power 0 11 Aggregate Amount Beneficially Owned by Each Reporting Person 2,630,625 12 Check Box If the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] 13 Percent of Class Represented By Amount in Row (11) 9.72% 14 Type of Reporting Person (See Instructions) OO; IV

SCHEDULE 13D CUSIP No. 457985208 Page 3 of 11 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) QIH MANAGEMENT INVESTOR, L.P. 2 Check the Appropriate Box If a Member of a Group (See Instructions) a. [ ] b. [X] 3 SEC Use Only 4 Source of Funds (See Instructions) Not Applicable 5 Check Box If Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] 6 Citizenship or Place of Organization Delaware 7 Sole Voting Power 2,630,625 Number of Shares Beneficially 8 Shared Voting Power Owned By 0 Each Reporting 9 Sole Dispositive Power Person 2,630,625 With 10 Shared Dispositive Power 0 11 Aggregate Amount Beneficially Owned by Each Reporting Person 2,630,625 12 Check Box If the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] 13 Percent of Class Represented By Amount in Row (11) 9.72% 14 Type of Reporting Person (See Instructions) PN; IA

SCHEDULE 13D CUSIP No. 457985208 Page 4 of 11 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) QIH MANAGEMENT, INC. 2 Check the Appropriate Box If a Member of a Group (See Instructions) a. [ ] b. [X] 3 SEC Use Only 4 Source of Funds (See Instructions) Not Applicable 5 Check Box If Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] 6 Citizenship or Place of Organization Delaware 7 Sole Voting Power 2,630,625 Number of Shares Beneficially 8 Shared Voting Power Owned By 0 Each Reporting 9 Sole Dispositive Power Person 2,630,625 With 10 Shared Dispositive Power 0 11 Aggregate Amount Beneficially Owned by Each Reporting Person 2,630,625 12 Check Box If the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] 13 Percent of Class Represented By Amount in Row (11) 9.72% 14 Type of Reporting Person (See Instructions) CO

SCHEDULE 13D CUSIP No. 457985208 Page 5 of 11 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) SOROS FUND MANAGEMENT LLC 2 Check the Appropriate Box If a Member of a Group (See Instructions) a. [ ] b. [X] 3 SEC Use Only 4 Source of Funds (See Instructions) Not Applicable 5 Check Box If Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] 6 Citizenship or Place of Organization Delaware 7 Sole Voting Power 2,630,625 Number of Shares Beneficially 8 Shared Voting Power Owned By 0 Each Reporting 9 Sole Dispositive Power Person 2,630,625 With 10 Shared Dispositive Power 0 11 Aggregate Amount Beneficially Owned by Each Reporting Person 2,630,625 12 Check Box If the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] 13 Percent of Class Represented By Amount in Row (11) 9.72% 14 Type of Reporting Person (See Instructions) OO; IA

SCHEDULE 13D CUSIP No.457985208 Page 6 of 11 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) GEORGE SOROS (in the capacity described herein) 2 Check the Appropriate Box If a Member of a Group (See Instructions) a. [ ] b. [X] 3 SEC Use Only 4 Source of Funds (See Instructions) Not Applicable 5 Check Box If Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] 6 Citizenship or Place of Organization United States 7 Sole Voting Power 3,325,300 Number of Shares Beneficially 8 Shared Voting Power Owned By 0 Each Reporting 9 Sole Dispositive Power Person 3,325,300 With 10 Shared Dispositive Power 0 11 Aggregate Amount Beneficially Owned by Each Reporting Person 3,325,300 12 Check Box If the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [ ] 13 Percent of Class Represented By Amount in Row (11) 12.29% 14 Type of Reporting Person (See Instructions) IA

Page 7 of 11 Pages This Amendment No. 6 to Schedule 13D relates to shares of Common Stock, $0.01 par value per share (the "Shares"), of Integra LifeSciences Holdings Corporation (the "Issuer") (f/k/a Integra LifeSciences Corporation). This Amendment No. 6 supplementally amends the initial statement on Schedule 13D, dated April 8, 1999, and all amendments thereto (collectively, the "Initial Statement"), filed by the Reporting Persons. This Amendment No. 6 is being filed by the Reporting Persons to supplementally amend Item 2 herein. Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Initial Statement. The Initial Statement is supplementally amended as follows. Item 2. Identity and Background. This Statement is being filed on behalf of each of the following persons (collectively, the "Reporting Persons"): i) Quantum Industrial Partners LDC ("QIP"); ii) QIH Management Investor, L.P. ("QIHMI"); iii) QIH Management, Inc. ("QIH Management"); iv) Soros Fund Management LLC ("SFM LLC") and v) Mr. George Soros ("Mr. Soros"). This Statement relates to Shares held for the accounts of QIP and SFM Domestic Investments LLC ("SFM Domestic Investments"). On December 27, 2002, Mr. Soros appealed a decision of the 11e Chambre du Tribunal Correctionnel in Paris, France that fined him $2.28 million on December 20, 2002 based on a finding of insider trading with respect to trading in securities of Societe Generale in 1988. Mr. Soros has elected to provide the foregoing information on a voluntary basis. Item 5. Interest in Securities of the Issuer. (a) (i) Each of QIP, QIHMI, QIH Management and SFM LLC may be deemed the beneficial owner of 2,630,625 Shares (approximately 9.72% of the total number of Shares outstanding). (ii) Mr. Soros may be deemed the beneficial owner of 3,325,300 Shares (approximately 12.29% of the total number of Shares outstanding). This number includes (A) 2,630,625 Shares held for the account of QIP and (B) 694,675 Shares held for the account of SFM Domestic Investments. (b) (i) Each of QIP, QIHMI, QIH Management and SFM LLC (by virtue of the QIP Contract) and Mr. Soros (as a result of his position with SFM LLC) may be deemed to have the sole power to direct the voting and disposition of the 2,630,625 Shares held for the account of QIP. (ii) Mr. Soros in his capacity as the sole managing member of SFM Domestic Investments may be deemed to have the sole power to direct the voting and disposition of the 694,675 Shares held for the account of SFM Domestic Investments.

Page 8 of 11 Pages (c) There have been no transactions effected with respect to the Shares since November 1, 2002 (60 days prior to the date hereof) by any of the Reporting Persons. (d) (i) The shareholders of QIP, including Quantum Industrial Holdings, Ltd., a British Virgin Islands international business company, have the right to participate in the receipt of dividends from, or proceeds from the sale of, the securities held for the account of QIP in accordance with their ownership interests in QIP. (ii) Certain members of SFM Domestic Investments have the right to participate in the receipt of dividends from, or proceeds from the sale of, the securities held for the account of SFM Domestic Investments. (e) Not applicable. Item 7. Material to be filed as Exhibits. The Exhibit Index is incorporated herein by reference.

Page 9 of 11 Pages SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this Statement is true, complete and correct. Date: December 31, 2002 QUANTUM INDUSTRIAL PARTNERS LDC By: /s/ Richard D. Holahan, Jr. ----------------------------------------- Richard D. Holahan, Jr. Attorney-in-Fact QIH MANAGEMENT INVESTOR, L.P. By: QIH Management, Inc., its General Partner = By: /s/ Richard D. Holahan, Jr. ----------------------------------------- Richard D. Holahan, Jr. Vice President QIH MANAGEMENT, INC. By: /s/ Richard D. Holahan, Jr. ----------------------------------------- Richard D. Holahan, Jr. Vice President SOROS FUND MANAGEMENT LLC By: /s/ Richard D. Holahan, Jr. ----------------------------------------- Richard D. Holahan, Jr. Assistant General Counsel GEORGE SOROS By: /s/ Richard D. Holahan, Jr. ---------------------------------------- Richard D. Holahan, Jr. Attorney-in-Fact

Page 10 of 11 Pages EXHIBIT INDEX O. Power of Attorney, dated as of October 30, 2002, granted by Mr. George Soros in favor of Mr. Armando T. Belly, Ms. Jodye Anzalotta, Mr. John F. Brown, Ms. Maryann Canfield, Mr. Richard D. Holahan, Jr. and Mr. Robert Soros........................................... 11

Page 11 of 11 Pages EXHIBIT 0 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENT, that I, GEORGE SOROS, hereby make, constitute and appoint each of ARMANDO T. BELLY, JODYE ANZALOTTA, JOHN F. BROWN, MARYANN CANFIELD, RICHARD D. HOLAHAN, JR. and ROBERT SOROS acting individually, as my agent and attorney-in-fact for the purpose of executing in my name, (a) in my personal capacity or (b) in my capacity as Chairman of, member of or in other capacities with Soros Fund Management LLC ("SFM LLC") and each of its affiliates or entities advised by me or SFM LLC, all documents, certificates, instruments, statements, filings and agreements ("documents") to be filed with or delivered to any foreign or domestic governmental or regulatory body or required or requested by any other person or entity pursuant to any legal or regulatory requirement relating to the acquisition, ownership, management or disposition of securities, futures contracts or other investments, and any other documents relating or ancillary thereto, including without limitation all documents relating to filings with the Commodity Futures Trading Commission and National Futures Association, the United States Securities and Exchange Commission (the "SEC") pursuant to the Securities Act of 1933 or the Securities Exchange Act of 1934 (the "Act") and the rules and regulations promulgated thereunder, including all documents relating to the beneficial ownership of securities required to be filed with the SEC pursuant to Section 13(d) or Section 16(a) of the Act and any information statements on Form 13F required to be filed with the SEC pursuant to Section 13(f) of the Act. All past acts of these attorneys-in-fact in furtherance of the foregoing are hereby ratified and confirmed. Execution of this power of attorney revokes that certain Power of Attorney dated as of the 15th day of January 2002 with respect to the same matters addressed above. This power of attorney shall be valid from the date hereof until revoked by me. IN WITNESS WHEREOF, I have executed this instrument as of the 30th day of October, 2002. /s/ George Soros ----------------------------------- GEORGE SOROS