(19)

(11)

EP 0 248 816 A1

(12)

(43) Date of publication: 16.12.1987 Bulletin 1987/51 (21) Application number: 86905044.0 (22) Date of filing: 31.07.1986

(51) International Patent Classification (IPC):  A61B 17/ 22( . ) B25B 23/ 00( . ) B25B 23/ 157( . ) B25B 11/ 00( . ) B25B 23/ 142( . ) (86) International application number: PCT/US1986/001570 (87) International publication number: WO 1987/000788 (12.02.1987 Gazette 1987/04)

(84) Designated Contracting States: BE CH DE FR GB IT LI NL SE (30) Priority: 01.08.1985 US 19850761495 01.10.1985 US 19850782306 (71) Applicant: Cooper Lasersonics Inc. Santa Clara California 95051 (US)	(72) Inventors: KUHL, Peter Jackson Heights, NY 11372 (US) BROADWIN, Alan Brooklyn, NY 11210 (US) HORNLEIN, Robert, W. Stamford, CT 06900 (US) (74) Representative: Woodcraft, David Charles, et al  BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)