(19)

(11)

EP 0 566 565 A1

(12)

(43) Date of publication: 27.10.1993 Bulletin 1993/43 (21) Application number: 91902473.0 (22) Date of filing: 14.12.1990

(51) International Patent Classification (IPC):  A61F 9/ 007( . ) A61M 1/ 00( . ) A61B 17/ 32( . ) (86) International application number: PCT/US1990/007506 (87) International publication number: WO 1992/010139 (25.06.1992 Gazette 1992/14)

(84) Designated Contracting States: CH DE FR GB IT LI SE (71) Applicant: Kelman, Charles D., M.D. New York New York 10022 (US)	(72) Inventor: Kelman, Charles D., M.D. New York New York 10022 (US) (74) Representative: Belcher, Simon James, et al  Urquhart-Dykes & Lord Tower House Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)