(19)

(11)

EP 0 871 916 A1

(12)

(43) Date of publication: 21.10.1998 Bulletin 1998/43 (21) Application number: 97900819.0 (22) Date of filing: 03.01.1997

(51) International Patent Classification (IPC):  G02B 27/ 02( . ) G09F 13/ 04( . ) (86) International application number: PCT/SE1997/000006 (87) International publication number: WO 1997/025645 (17.07.1997 Gazette 1997/31)

(84) Designated Contracting States: AT CH DE DK FI FR GB IT LI NL (30) Priority: 05.01.1996 SE 19960000045 (71) Applicant: AO MEDICAL PRODUCTS AB S-104 32 Stockholm (SE)	(72) Inventor: OHLSON, Carl-Eric S-114 24 Stockholm (SE) (74) Representative: Wennborg, Göte  Kransell & Wennborg AB Box 27834 115 93 Stockholm 115 93 Stockholm (SE)