(19)

(11)

EP 0 477 263 A1

(12)

(43) Date of publication: 01.04.1992 Bulletin 1992/14 (21) Application number: 90909798.0 (22) Date of filing: 07.06.1990

(51) International Patent Classification (IPC):  A61M 25/ 00( . ) A61M 25/ 02( . ) (86) International application number: PCT/SE1990/000396 (87) International publication number: WO 1990/014855 (13.12.1990 Gazette 1990/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 07.06.1989 SE 19890002061 (71) Applicants: AXELSSON, Robert S-561 04 Huskvarna (SE) SVENSSON, Jan Axel S-561 35 Huskvarna (SE)	(72) Inventors: AXELSSON, Robert S-561 04 Huskvarna (SE) SVENSSON, Jan Axel S-561 35 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)