(19)

(11)

EP 0 067 838 A1

(12)

(43) Date of publication: 29.12.1982 Bulletin 1982/52 (21) Application number: 82900167.0 (22) Date of filing: 21.12.1981

(51) International Patent Classification (IPC):  A61G 7/ 10( . ) (86) International application number: PCT/SE1981/000387 (87) International publication number: WO 1982/002146 (08.07.1982 Gazette 1982/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL (30) Priority: 23.12.1980 SE 19800009119 (71) Applicant: Hansson, Gudrun S-412 79 Göteborg (SE)	(72) Inventor: Hansson, Gudrun S-412 79 Göteborg (SE) (74) Representative: Roth, Ernst Adolf Michael, et al  GÖTEBORGS PATENTBYRA AB Box 5005 S-402 21 Göteborg S-402 21 Göteborg (SE)