(19)

(11)

EP 0 391 908 A1

(12)

(43) Date of publication: 17.10.1990 Bulletin 1990/42 (21) Application number: 88907647.0 (22) Date of filing: 29.08.1988

(51) International Patent Classification (IPC):  A61F 6/ 04( . ) A61F 6/ 06( . ) (86) International application number: PCT/DK1988/000140 (87) International publication number: WO 1989/001768 (09.03.1989 Gazette 1989/06)

(84) Designated Contracting States: CH DE FR GB IT LI NL SE (30) Priority: 27.08.1987 US 19870089780 26.02.1988 US 19880160700 (71) Applicant: HARDING, Glen Russell DK-2200 Copenhagen N (DK)	(72) Inventor: HARDING, Glen Russell DK-2200 Copenhagen N (DK)