(19)

(11)

EP 0 707 469 A1

(12)

(43) Date of publication: 24.04.1996 Bulletin 1996/17 (21) Application number: 93916361.0 (22) Date of filing: 09.07.1993

(51) International Patent Classification (IPC):  A61J 7/ 04( . ) (86) International application number: PCT/SE1993/000623 (87) International publication number: WO 1995/001771 (19.01.1995 Gazette 1995/04)

(84) Designated Contracting States: DE FR GB IT SE (71) Applicant: MANAGENT AB S-114 31 Stockholm (SE)	(72) Inventor: PERLMUTTER, Henrik S-114 31 Stockholm (SE) (74) Representative: Delmar, John-Ake  P.O. Box 26 133 S-100 41 Stockholm S-100 41 Stockholm (SE)