(19)

(11)

EP 0 275 264 A1

(12)

(43) Date of publication: 27.07.1988 Bulletin 1988/30 (21) Application number: 87903379.0 (22) Date of filing: 28.05.1987

(51) International Patent Classification (IPC):  A61B 5/ 22( . ) (86) International application number: PCT/GB1987/000368 (87) International publication number: WO 1987/007129 (03.12.1987 Gazette 1987/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 30.05.1986 US 19860869135 11.07.1986 US 19860884718 (71) Applicant: TECHNOLOGICAL INDUSTRIES PLC London W2Y 1QH (GB)	(72) Inventors: DELGIORNO, Daniel Fort Salonga, NY 11768 (US) ACCOLLA, William, R. Sea Cliff, NY 11579 (US) MEDINA, Henry Melville, NY 11747 (US) (74) Representative: Jackson, Peter, et al  HYDE, HEIDE & O'DONNELL 10-12 Priests Bridge London SW15 5JE London SW15 5JE (GB)