(19)

(11)

EP 1 019 104 A1

(12)

(43) Date of publication: 19.07.2000 Bulletin 2000/29 (21) Application number: 96927756.5 (22) Date of filing: 12.08.1996

(51) International Patent Classification (IPC)7: A61L 15/40 (86) International application number: PCT/GB9601/959 (87) International publication number: WO 9706/835 (27.02.1997 Gazette 1997/10)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.08.1995 GB 9516556 (71) Applicant: Smith & Nephew PLC London WC2N 6LA (GB)	(72) Inventors: RICHARDSON, Mark, Christopher HubyYork YO6 1HS (GB) BLOTT, Patrick, Lewis York YO1 3HW (GB) MATTHEWS, Jane, Bridget York YO2 1DP (GB) DREWERY, George, Robert North Humberside YO4 3HT (GB)