= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
                       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. 8)

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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)

                               - - - - - - - - - -

                                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.

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     This Amendment No. 8 (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 by Amendment No. 1, Amendment No. 2, Amendment No. 3,
Amendment No. 4, Amendment No. 5, Amendment No. 6 and Amendment No. 7 thereto
(as amended, the "Schedule TO"), relating to the third-party tender offer by S&N
Group to exchange S&N Group ordinary shares, 121/2pence 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.

Items 1 - 11.

     Items 1 through 11 of the Schedule TO are hereby amended and supplemented
by adding the following thereto:

     S&N announced that on June 20, 2003 the Swiss Takeover Board had extended
the expiration date of the Offer until August 27, 2003. The Offer, which was
scheduled to expire at 10:00 A.M., New York City time, on Tuesday, June 24,
2003, will expire at 10:00 A.M., New York City time, on Wednesday, August 27,
2003. S&N's press release dated June 20, 2003 is filed as an exhibit hereto and
incorporated herein by reference.

     S&N has been informed by the Swiss offer manager for the Offer and the U.S.
exchange agent for the Offer that, as of June 20, 2003, approximately 64,656
Centerpulse shares (including Centerpulse shares represented by Centerpulse
ADSs) had been tendered and not withdrawn pursuant to the terms of the Offer.

Item 12. EXHIBITS.

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

EXHIBIT NO.  DESCRIPTION

(a)(28)      Press release of S&N, dated June 20, 2003 (incorporated herein by
             reference to S&N Group's Rule 425 filing made with the Securities
             and Exchange Commission on June 20, 2003).

                                      -2-



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

Date: June 20, 2003

                                      -3-



                                  EXHIBIT INDEX

EXHIBIT NO.  DESCRIPTION

(a)(28)      Press release of S&N, dated June 20, 2003 (incorporated herein by
             reference to S&N Group's Rule 425 filing made with the Securities
             and Exchange Commission on June 20, 2003)

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