(19)

(11)

EP 0 037 396 A1

(12)

(43) Date of publication: 14.10.1981 Bulletin 1981/41 (21) Application number: 80900739.0 (22) Date of filing: 18.04.1980

(51) International Patent Classification (IPC):  A61J 17/ 00( . ) (86) International application number: PCT/SE1980/000110 (87) International publication number: WO 1980/002370 (13.11.1980 Gazette 1980/26)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL (30) Priority: 26.04.1979 SE 19790003668 (71) Applicant: DAHLIN, Fred Georg Villehard S-371 00 Karlskrona (SE)	(72) Inventor: DAHLIN, Fred Georg Villehard S-371 00 Karlskrona (SE)