(19)

(11)

EP 0 409 850 A1

(12)

(43) Date of publication: 30.01.1991 Bulletin 1991/05 (21) Application number: 89903296.0 (22) Date of filing: 01.03.1989

(51) International Patent Classification (IPC):  A61J 1/ 03( . ) (86) International application number: PCT/SE1989/000091 (87) International publication number: WO 1989/007928 (08.09.1989 Gazette 1989/21)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL (30) Priority: 01.03.1988 SE 19880000718 (71) Applicant: INPART TRADING AB S-646 00 Gnesta (SE)	(72) Inventors: EEK, Arne, Torsten S-619 00 Trosa (SE) LUNDHOLM, Nils, Ake S-646 00 Gnesta (SE) LÖFMAN, Claes, Peter S-114 29 Stockholm (SE) (74) Representative: Fogelberg, Lennart, et al  STENHAGEN PATENTBYRA AB Box 4630 S-116 91 Stockholm S-116 91 Stockholm (SE)