(19)

(11)

EP 0 305 405 A1

(12)

(43) Date of publication: 08.03.1989 Bulletin 1989/10 (21) Application number: 87903930.0 (22) Date of filing: 04.05.1987

(51) International Patent Classification (IPC):  A61B 18/ 20( . ) A61F 9/ 008( . ) H01S 3/ 23( . ) A61B 18/ 26( . ) A61F 9/ 00( . ) H01S 3/ 00( . ) H05H 1/ 22( . ) (86) International application number: PCT/US1987/000966 (87) International publication number: WO 1987/007165 (03.12.1987 Gazette 1987/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.05.1986 US 19860864719 (71) Applicant: AUTOMATED LASER SYSTEMS, INC. Berkeley, CA 94710 (US)	(72) Inventors: SKLAR, Horace, Alfred San Francisco, CA 94123 (US) CHIU, Pay, Hung Richmond, CA 94805 (US) FRANK, Alan, Maurice Livermore, CA 94550 (US) (74) Representative: Enskat, Michael Antony Frank, et al  Saunders & Dolleymore 9, Rickmansworth Road Watford Hertfordshire WD1 7HE Watford Hertfordshire WD1 7HE (GB)