(19)

(11)

EP 0 959 828 A1

(12)

(43) Date of publication: 01.12.1999 Bulletin 1999/48 (21) Application number: 98902327.0 (22) Date of filing: 23.01.1998

(51) International Patent Classification (IPC):  A61F 5/ 10( . ) A61F 5/ 058( . ) A61F 5/ 01( . ) A61F 5/ 37( . ) (86) International application number: PCT/SE1998/000098 (87) International publication number: WO 1998/035637 (20.08.1998 Gazette 1998/33)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 28.01.1997 SE 19970000226 (71) Applicant: Otto Bock Scandinavia AB 601 14 Norrköping (SE)	(72) Inventor: FELHENDLER, David S-602 27 Norrköping (SE) (74) Representative: Estreen, Lars, et al  Kransell & Wennborg AB P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)