(19)

(11)

EP 0 407 395 A1

(12)

(43) Date of publication: 16.01.1991 Bulletin 1991/03 (21) Application number: 89902183.0 (22) Date of filing: 10.02.1989

(51) International Patent Classification (IPC):  A61M 1/ 00( . ) (86) International application number: PCT/SE1989/000056 (87) International publication number: WO 1989/007467 (24.08.1989 Gazette 1989/20)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.02.1988 SE 19880000467 (71) Applicants: SVENSSON, Jan Axel S-561 35 Huskvarna (SE) AXELSSON, Robert S-561 04 Huskvarna (SE)	(72) Inventors: SVENSSON, Jan Axel S-561 35 Huskvarna (SE) AXELSSON, Robert S-561 04 Huskvarna (SE) (74) Representative: Ström, Tore, et al  Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188 S-203 13 Malmö S-203 13 Malmö (SE)