(19)

(11)

EP 0 444 071 A1

(12)

(43) Date of publication: 04.09.1991 Bulletin 1991/36 (21) Application number: 89912518.0 (22) Date of filing: 15.11.1989

(51) International Patent Classification (IPC):  A61B 17/ 22( . ) A61B 17/ 32( . ) A61M 1/ 00( . ) (86) International application number: PCT/SE1989/000656 (87) International publication number: WO 1990/005493 (31.05.1990 Gazette 1990/12)

(84) Designated Contracting States: DE FR GB (30) Priority: 15.11.1988 SE 19880004114 (71) Applicant: SVEDMAN, Pal S-216 19 Malmö (SE)	(72) Inventor: SVEDMAN, Pal S-216 19 Malmö (SE) (74) Representative: Rostovanyi, Peter, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)