(19)

(11)

EP 0 971 644 A1

(12)

(43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 98912026.6 (22) Date of filing: 25.03.1998

(51) International Patent Classification (IPC)7: A61F 2/06 (86) International application number: PCT/US9805/835 (87) International publication number: WO 9842/277 (01.10.1998 Gazette 1998/39)

(84) Designated Contracting States: CH DE FR GB LI NL (30) Priority: 25.03.1997 US 824142 25.03.1997 US 824865 25.03.1997 US 826866 (71) Applicant: Jang, G. David RedlandsCalifornia 92374 (US)	(72) Inventor: Jang, G. David RedlandsCalifornia 92374 (US) (74) Representative: Potter, Julian Mark  D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)