(19)

(11)

EP 0 187 850 A1

(12)

(43) Date of publication: 23.07.1986 Bulletin 1986/30 (21) Application number: 85903892.0 (22) Date of filing: 24.07.1985

(51) International Patent Classification (IPC):  A61M 1/ 36( . ) (86) International application number: PCT/SE1985/000295 (87) International publication number: WO 1986/000823 (13.02.1986 Gazette 1986/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 24.07.1984 SE 19840003841 (71) Applicant: UNGER, Peter S-115 29 Stockholm (SE)	(72) Inventors: WESTBERG, Eric S-181 31 Lidingö (SE) UNGER, Peter S-115 29 Stockholm (SE)