(19)

(11)

EP 0 674 498 A1

(12)

(43) Date of publication: 04.10.1995 Bulletin 1995/40 (21) Application number: 94900233.0 (22) Date of filing: 19.11.1993

(51) International Patent Classification (IPC):  A61F 13/ 02( . ) A61L 15/ 60( . ) A61L 15/ 58( . ) A61F 13/ 00( . ) (86) International application number: PCT/GB1993/002382 (87) International publication number: WO 1994/012134 (09.06.1994 Gazette 1994/13)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.11.1992 GB 19920024445 21.11.1992 GB 19920024444 03.12.1992 GB 19920025312 (71) Applicant: SMITH & NEPHEW P.L.C. London WC2R 3BP (GB)	(72) Inventors: WARD, William, John Hull HU5 3JP (GB) CROXFORD, Philip Mark, Smith & Nephew United Inc. Largo, FL 34649 (US) (74) Representative: Gilholm, Stephen Philip, et al  Corporate Patents Department Smith & Nephew Group Research Centre York Science Park Heslington York YO1 5DF Heslington York YO1 5DF (GB)