(19)

(11)

EP 0 606 425 A1

(12)

(43) Date of publication: 20.07.1994 Bulletin 1994/29 (21) Application number: 93913709.0 (22) Date of filing: 26.05.1993

(51) International Patent Classification (IPC):  A61B 5/ 154( . ) A61M 1/ 02( . ) A61B 5/ 15( . ) (86) International application number: PCT/SE1993/000463 (87) International publication number: WO 1993/025143 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.06.1992 SE 19920001738 (71) Applicant: MEIRIK, Ulla S-752 37 Uppsala (SE)	(72) Inventor: MEIRIK, Ulla S-752 37 Uppsala (SE) (74) Representative: Onn, Thorsten, et al  AB STOCKHOLMS PATENTBYRA Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)