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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                   SCHEDULE TO
                                 (RULE 14D-100)
                 TENDER OFFER STATEMENT UNDER SECTION 14 (d) (1)
          OR SECTION 13 (e) (1) OF THE SECURITIES EXCHANGE ACT OF 1934

                                (AMENDMENT NO. 1)

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                                CENTERPULSE LTD.
                       (Name of Subject Company (Issuer))

                            SMITH & NEPHEW GROUP PLC
                               SMITH & NEPHEW PLC
                      (Names of Filing Persons (Offerors))

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                REGISTERED SHARES, PAR VALUE CHF 30.00 PER SHARE
                         (Title of Class of Securities)

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                                Not Applicable*
                      (CUSIP Number of Class of Securities)

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                                James A. Ralston
                Executive Vice President and Chief Legal Officer
                              Smith & Nephew, Inc.
                                1450 Brooks Road
                            Memphis, Tennessee 38116
                                 (901) 396-2121

                     (Name, address and telephone number of
                      person authorized to receive notices
                 and communications on behalf of filing persons)

                                    Copy to:

                                    Pran Jha
                           Sidley Austin Brown & Wood
                                 Bank One Plaza
                            10 South Dearborn Street
                             Chicago, Illinois 60603
                            Telephone: (312) 853-7000

     Check the appropriate boxes below to designate any transactions to which
the statement relates:

         [X]  third-party tender offer subject to Rule 14d-1.
         [ ]  issuer tender offer subject to Rule 13e-4.
         [ ]  going-private transaction subject to Rule 13e-3.
         [ ]  amendment to Schedule 13D under Rule 13d-2.

     Check the following box if the filing is a final amendment reporting the
results of the tender offer: [ ]


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*There is no CUSIP Number assigned to the registered shares. CUSIP No. 152005104
has been assigned to the American Depositary shares of Centerpulse Ltd. that are
quoted on the New York Stock Exchange under the symbol "CEP." CUSIP No.
152005203 has been assigned to the American Depositary Shares of Centerpulse
Ltd. that were issued pursuant to a restricted ADR facility and are not
publicly traded.




     This Amendment No. 1 (this "Amendment") amends and supplements the Tender
Offer Statement on Schedule TO filed by Smith & Nephew Group plc, a corporation
organized under the laws of England and Wales ("S&N Group"), and Smith & Nephew
plc, a corporation organized under the laws of England and Wales ("S&N"), on
April 25, 2003 (as amended, the "Schedule TO"), relating to the third-party
tender offer by S&N Group to exchange S&N Group ordinary shares, 12 1/2 pence
nominal value per share (including S&N Group shares represented by S&N Group
American Depositary Shares ("ADSs"), each representing 10 S&N Group shares), and
cash for registered shares, CHF 30 par value per share, of Centerpulse Ltd., a
Swiss public company ("Centerpulse"), including Centerpulse shares represented
by Centerpulse ADSs, each representing one-tenth (1/10) of a Centerpulse share,
upon the terms and subject to the conditions set forth in the Preliminary
Prospectus/Offer to Exchange dated April 25, 2003 (the "Offer to Exchange") and
in the related Letter of Transmittal (which, together with the Offer to
Exchange, as supplemented or amended from time to time, constitute the "Offer").
Capitalized terms used but not defined herein have the meanings assigned to such
terms in the Schedule TO.

Item 12. EXHIBITS.

     Item 12 of the Schedule TO is hereby amended by adding the following
exhibits thereto:

EXHIBIT NO.    DESCRIPTION

(a)(16)        S&N and Centerpulse employee release, dated May 16, 2003
               (incorporated herein by reference to S&N Group's Rule 425 filing
               made with the Securities and Exchange Commission on May 16,
               2003).

(a)(17)        Press release of S&N, dated May 19, 2003 (incorporated herein by
               reference to S&N Group's Rule 425 filing made with the Securities
               and Exchange Commission on May 19, 2003).

(a)(18)        Press release of S&N, dated May 20, 2003 (incorporated herein by
               reference to S&N Group's Rule 425 filing made with the Securities
               and Exchange Commission on May 20, 2003).

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                                    SIGNATURE

     After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

                                  SMITH & NEPHEW GROUP PLC

                                  By:  /s/ James Ralston
                                       -----------------------------------------
                                       Name: James Ralston
                                       Title: Authorized U.S. Representative

                                  SMITH & NEPHEW PLC

                                  By:  /s/ Paul Chambers
                                       -----------------------------------------
                                       Name: Paul Chambers
                                       Title: Company Secretary

Date: May 23, 2003

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                                  EXHIBIT INDEX

EXHIBIT NO.  DESCRIPTION

(a)(16)      S&N and Centerpulse employee release, dated May 16, 2003
             (incorporated herein by reference to S&N Group's Rule 425 filing
             made with the Securities and Exchange Commission on May 16, 2003).

(a)(17)      Press release of S&N, dated May 19, 2003 (incorporated herein by
             reference to S&N Group's Rule 425 filing made with the Securities
             and Exchange Commission on May 19, 2003).

(a)(18)      Press release of S&N, dated May 20, 2003 (incorporated herein by
             reference to S&N Group's Rule 425 filing made with the Securities
             and Exchange Commission on May 20, 2003).

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