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

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 5)*

                   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, L.L.P.
                               590 Madison Avenue
                            New York, New York 10022
                                 (212) 872-1000
                  ---------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 April 16, 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 a signed 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 shall be 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 13 Pages
                             Exhibit Index: Page 11






                                  SCHEDULE 13D

CUSIP No. 457985208                                           Page 2 of 13 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)
                            10.01%

14       Type of Reporting Person (See Instructions)
                  OO; IV





                                  SCHEDULE 13D

CUSIP No. 457985208                                           Page 3 of 13 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)
                            10.01%

14       Type of Reporting Person (See Instructions)
                  PN; IA





                                  SCHEDULE 13D

CUSIP No. 457985208                                           Page 4 of 13 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)
                            10.01%

14       Type of Reporting Person (See Instructions)
                  CO






                                  SCHEDULE 13D

CUSIP No. 457985208                                           Page 5 of 13 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)
                            10.01%

14       Type of Reporting Person (See Instructions)
                  OO; IA





                                  SCHEDULE 13D

CUSIP No. 457985208                                           Page 6 of 13 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)
                            12.66%

14       Type of Reporting Person (See Instructions)
                  IA





                                                              Page 7 of 13 Pages


         This Amendment No. 5 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. 5  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. 5 is being filed
by the  Reporting  Persons to report that,  on April 16, 2002,  48,699 shares of
Series C Preferred Stock held for the account of QIP were converted into 541,100
Shares, and 5,301 shares of Series C Preferred Stock held for the account of SFM
Domestic  Investments were converted into 58,900 Shares.  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").

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  10.01% of the total
number of Shares outstanding).

                  (ii) Mr. Soros may be deemed the beneficial owner of 3,325,300
Shares  (approximately  12.66% 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.



                                                              Page 8 of 13 Pages


                  (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.

         (c) Except for the transactions  listed in Annex A hereto, all of which
were  effected  in  private  transactions  directly  with  the  Issuer,  been no
transactions  effected  with respect to the Shares  since  February 22, 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 13 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: April 23, 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 13 Pages


                                                                ANNEX A

                                               RECENT TRANSACTIONS IN THE SECURITIES OF
                                               INTEGRA LIFESCIENCES HOLDINGS CORPORATION
                                                                                                   

                                                Date of            Nature of             Number of
For the Account of                            Transaction         Transaction            Securities            Price
------------------                            ------------        -----------           ------------           ------

QIP                                         April 16, 2002         Conversion        541,100 Shares/1/       $9.00/2/

SFM Domestic Investments                    April 16, 2002         Conversion         58,900 Shares/3/       $9.00/2/

















-------------------


/1/      On April 16, 2002, QIP converted 48,699 shares of Series C Convertible Preferred Stock into 541,100 Shares.


/2/      This amount represents the conversion rate.


/3/      On April 16, 2002, SFM Domestic  Investments  converted 5,301 shares of
         Series C Convertible Preferred Stock into 58,900 Shares.




                                                             Page 11 of 13 Pages


                                  EXHIBIT INDEX

                                                                        Page No.
                                                                        --------

M.   Power of Attorney, dated as of February 13, 2002, granted by
     Quantum  Industrial  Partners LDC in favor of Mr. Armando T.
     Belly, Ms. Jodye Anzalotta,  Ms. Maryann Canfield,  Mr. Sean
     Cullinan,  Mr. Richard D. Holahan,  Jr. and Mr. Robert Soros.............12

N.   Power of Attorney,  dated as of January 15, 2002, granted by
     Mr. George Soros in favor of Mr. Armando T. Belly, Ms. Jodye
     Anzalotta,  Ms. Maryann  Canfield,  Mr. Sean  Cullinan,  Mr.
     Richard    D.     Holahan,     Jr.     and    Mr.     Robert
     Soros....................................................................13




                                                             Page 12 of 13 Pages

                                    EXHIBIT M

                         QUANTUM INDUSTRIAL PARTNERS LDC

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENT,  that the undersigned QUANTUM INDUSTRIAL
         PARTNERS LDC (the  "Company"),  an exempted  limited  duration  company
         existing  and  operating  under the laws of the  Cayman  Islands  does,
         pursuant  to a duly  appointed  resolution  of its  Managing  Director,
         hereby designate, constitute and appoint:

         ARMANDO T. BELLY,  JODYE ANZALOTTA,  MARYANN  CANFIELD,  SEAN CULLINAN,
         RICHARD D. HOLAHAN, JR. AND ROBERT SOROS

         acting,  singly  and not  jointly,  as its true and  lawful  agent  and
         attorney  in  fact  for the  purpose  of  executing  in its  name,  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 or other investments, and any other documents
         relating  or  ancillary  thereto,  including  but not  limited  to, all
         documents  relating to filings with 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  (1)  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
         including,  without  limitation:  (a)  any  acquisition  statements  on
         Schedule 13D or Schedule 13G and any amendments thereto,  (b) any joint
         filing  agreements  pursuant  to Rule  13d-1(k),  and  (c) any  initial
         statements  of, or  statements of changes in,  beneficial  ownership of
         securities  on  Forms  3,  Form 4 or  Form 5 and  (2)  any  information
         statements  on Form 13F  required to be filed with the SEC  pursuant to
         Section 13(f) of the Act.

         Each attorney-in-fact is hereby authorized and empowered to perform all
         other  acts and  deeds,  which he or she in his or her sole  discretion
         deems  necessary or  appropriate to carry out to the fullest extent the
         terms  and  the  intent  of the  foregoing.  All  prior  acts  of  each
         attorney-in-fact  in furtherance  of the foregoing are hereby  ratified
         and confirmed.

         IN WITNESS WHEREOF, the Company has caused this document to be executed
         this 13th day of February, 2002.

                                        QUANTUM INDUSTRIAL PARTNERS LDC

                                        /s/ Curacao Corporation Company N.V.
                                        ----------------------------------------
                                        Curacao Corporation Company N.V.
                                          Managing Director




                                                             Page 13 of 13 Pages

                                    EXHIBIT N

                                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,
         Maryann  Canfield,  Sean Cullinan,  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  but not limited to, all  documents  relating to filings with
         the  Commodities   Futures  Trading  Commission  and  National  Futures
         Association,  the United States Securities and Exchange Commission (the
         "SEC") pursuant to the Commodities  Exchange Act and 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
         information  statements  on Form 13F  required to be filed with the SEC
         pursuant to Section 13(f) of the Act.

         All past acts of the  attorney-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 27th day of January  2000 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 15th day
         of January, 2002.

                                             /s/ George Soros
                                             -----------------------------------
                                             GEORGE SOROS