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

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 3)*

                   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)

                                 June 26, 2001
                              --------------------
                      (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 12






                                  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
                                               2,955,000
Number of
 Shares
Beneficially                8             Shared Voting Power
 Owned By                                      0
  Each
Reporting                   9             Sole Dispositive Power
  Person                                       2,955,000
   With
                            10            Shared Dispositive Power
                                               0

11       Aggregate Amount Beneficially Owned by Each Reporting Person
                                            2,955,000

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)
                                     13.72%

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
                                                 2,955,000
Number of
 Shares
Beneficially                8             Shared Voting Power
 Owned By                                        0
  Each
Reporting                   9             Sole Dispositive Power
 Person                                          2,955,000
  With
                            10            Shared Dispositive Power
                                                 0

11       Aggregate Amount Beneficially Owned by Each Reporting Person
                                               2,955,000

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)
                                     13.72%

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
                                                 2,955,000
Number of
 Shares
Beneficially                8             Shared Voting Power
 Owned By                                        0
  Each
Reporting                   9             Sole Dispositive Power
 Person                                          2,955,000
  With
                            10            Shared Dispositive Power
                                                 0

11       Aggregate Amount Beneficially Owned by Each Reporting Person
                                               2,955,000

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)
                                     13.72%

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
                                                 2,955,000
Number of
 Shares
Beneficially                8             Shared Voting Power
 Owned By                                        0
  Each
Reporting                   9             Sole Dispositive Power
 Person                                          2,955,000
  With
                            10            Shared Dispositive Power
                                                 0

11       Aggregate Amount Beneficially Owned by Each Reporting Person
                                    2,955,000

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)
                                     13.72%

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
                                                 3,757,800
Number of
 Shares
Beneficially                8             Shared Voting Power
 Owned By                                        0
  Each
Reporting                   9             Sole Dispositive Power
 Person                                          3,757,800
  With
                            10            Shared Dispositive Power
                                                 0

11       Aggregate Amount Beneficially Owned by Each Reporting Person
                                               3,757,800

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)
                                     17.38%

14       Type of Reporting Person (See Instructions)
                  IA




                                                              Page 7 of 13 Pages


         This Amendment No. 3 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. 3  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. 3 is being filed
by the  Reporting  Persons to report that,  on June 26, 2001,  75,000  shares of
Series B  Preferred  Stock  held for the  account  of QIP  were  converted  into
1,963,350  Shares,  and 25,000  shares of Series B Preferred  Stock held for the
account  of  SFM  Domestic  Investments  were  converted  into  654,450  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 securities  held for the accounts of QIP and
SFM Domestic Investments LLC ("SFM Domestic Investments").

         Set forth in Annex A hereto, and incorporated  herein by reference,  is
updated  information  concerning the identity and background of the officers and
directors of QIP and QIH Management.

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 2,955,000  Shares  (approximately  13.72% of the total
number of Shares outstanding  assuming the exercise and conversion of all of the
securities  held for the account of QIP).  This number  includes  (A)  2,143,350
Shares held for the account of QIP; (B) 541,100 Shares  issuable upon conversion
of 48,699 shares of Series C Preferred Stock held for the account of QIP and (C)
270,550 Shares  issuable upon exercise of 270,550  warrants held for the account
of QIP.

             (ii) Mr.  Soros may be deemed  the  beneficial  owner of  3,757,800
Shares  (approximately 17.38% of the total number of Shares outstanding assuming
the exercise and  conversion of all of the  securities  held for the accounts of
QIP and SFM Domestic  Investments).  This number  includes (A) 2,143,350  Shares
held for the account of QIP; (B) 541,100  Shares  issuable  upon  conversion  of
48,699  shares of Series C  Preferred  Stock held for the  account  of QIP;  (C)
270,550 Shares  issuable upon exercise of 270,550  warrants held for the account
of QIP; (D) 714,450 Shares held for the account of SFM Domestic Investments; (E)
58,900  Shares  issuable  upon  conversion of 5,301 shares of Series C Preferred
Stock held for the account of SFM  Domestic  Investments  and (F) 29,450  Shares
issuable upon  exercise of 29,450  warrants held for the account of SFM Domestic
Investments.


                                                              Page 8 of 13 Pages


         (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
2,955,000  Shares held for the account of QIP  (assuming  the  conversion of all
shares of Series C Preferred Stock and the exercise of all warrants 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 802,800  Shares  held for the  account of SFM  Domestic
Investments  (assuming the conversion of all shares of Series C Preferred  Stock
and  the  exercise  of all  warrants  held  for  the  account  of  SFM  Domestic
Investments).

         (c) Except for the  transactions  listed in Annex B hereto,  there have
been no  transactions  effected with respect to the Shares since May 6, 2001 (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: July 5, 2001

                                               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

            Directors and Officers of Quantum Industrial Partners LDC




Name/Title/Citizenship                        Principal Occupation                    Business Address
----------------------                        --------------------                    ----------------
                                                                                

Curacao Corporation Company N.V.              Managing Director of Netherlands        Kaya Flamboyan 9
Managing Director                             Antilles corporations                   Willemstad
(Netherlands Antilles)                                                                Curacao,
                                                                                      Netherlands Antilles

Inter Caribbean Services Limited Secretary    Administrative services                 Citco Building
(British Virgin Islands)                                                              Wickhams Cay
                                                                                      Road Town
                                                                                      Tortola
                                                                                      British Virgin Islands




                 Directors and Officers of QIH Management, Inc.




                                                                          

Frank V. Sica                            Managing Partner of Soros Private      888 Seventh Avenue
Director and President                   Equity Partners LLC                    28th Floor
(United States)                                                                 New York, NY 10106

Michael C. Neus                          Deputy General Counsel of SFM LLC      888 Seventh Avenue
Director and Vice President              and General Counsel of Soros Private   33rd Floor
(United States)                          Funds Management LLC                   New York, NY 10106

Eve Mongiardo                            Chief Financial Officer of Soros       888 Seventh Avenue
Director and Treasurer                   Private Funds Management LLC           28th Floor
(United States)                                                                 New York, New York 10106

Richard D. Holahan, Jr.                  Assistant General Counsel of SFM LLC   888 Seventh Avenue
Vice President                                                                  33rd Floor
(United States)                                                                 New York, New York 10106



                  To the best of the Reporting Persons' knowledge /1/:

                        (a)       None of the above persons hold any Shares. /1/

                        (b)       None of the above  persons has any  contracts,
arrangements, understandings or relationships with respect to the Shares. /1/

----------
/1/ Certain persons may have an interest in SFM Domestic Investments.




                                                             Page 11 of 13 Pages




                                     ANNEX B

                    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                                6/26/01        Conversion     1,963,350/1/    $3.82/2/

SFM Domestic Investments           6/26/01        Conversion       654,450/3/    $3.82/2/




_________________

1   On June 26,  2001,  QIP  converted  75,000  shares of  Series B  Convertible
    Preferred Stock into 1,963,350 Shares.
2   This amount represents the conversion rate.
3   On June 26, 2001, SFM Domestic Investments converted 25,000 shares of Series
    B Convertible Preferred Stock into 654,450 Shares.


                                                             Page 12 of 13 Pages


                                  EXHIBIT INDEX

                                                                        Page No.
L.       Joint Filing Agreement,  dated as of July 5, 2001,
         by and among Quantum Industrial Partners LDC, QIH
         Management Investor, L.P., QIH Management, Inc.,
         Soros Fund Management LLC and Mr. George Soros..............     13