(19)

(11)

EP 0 240 515 A1

(12)

(43) Date of publication: 14.10.1987 Bulletin 1987/42 (21) Application number: 86905570.0 (22) Date of filing: 27.08.1986

(51) International Patent Classification (IPC):  A61B 18/ 00( . ) A61F 9/ 007( . ) A61M 1/ 00( . ) A61F 9/ 00( . ) A61B 17/ 32( . ) (86) International application number: PCT/US1986/001754 (87) International publication number: WO 1987/001926 (09.04.1987 Gazette 1987/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 27.09.1985 US 19850780813 (71) Applicant: CooperVision Inc. Palo Alto California 94304 (US)	(72) Inventors: STEPPE, Dennis, L. Tustin, CA 92680 (US) HAINES, Stephen, W. Santa Ana, CA 92705 (US) (74) Representative: Woodcraft, David Charles  BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)