(19)

(11)

EP 0 269 698 A1

(12)

(43) Date of publication: 08.06.1988 Bulletin 1988/23 (21) Application number: 87903820.0 (22) Date of filing: 01.06.1987

(51) International Patent Classification (IPC):  A61H 9/ 00( . ) A61H 33/ 06( . ) A61H 33/ 00( . ) (86) International application number: PCT/US1987/001300 (87) International publication number: WO 1987/007499 (17.12.1987 Gazette 1987/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 03.06.1986 US 19860870147 (71) Applicant: GUERRERO, Jacob G. Foster City, CA 94404 (US)	(72) Inventor: GUERRERO, Jacob G. Foster City, CA 94404 (US) (74) Representative: Paget, Hugh Charles Edward, et al  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)