(19)

(11)

EP 0 041 977 A1

(12)

(43) Date of publication: 23.12.1981 Bulletin 1981/51 (21) Application number: 81900023.0 (22) Date of filing: 04.12.1980

(51) International Patent Classification (IPC):  A61B 5/ 22( . ) G01P 15/ 00( . ) A63B 24/ 00( . ) A63B 69/ 00( . ) (86) International application number: PCT/SE1980/000318 (87) International publication number: WO 1981/001507 (11.06.1981 Gazette 1981/14)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL (30) Priority: 04.12.1979 SE 19790009991 (71) Applicant: SVENSSON, Bejert S-126 41 Hägersten (SE)	(72) Inventor: SVENSSON, Bejert S-126 41 Hägersten (SE)