(19)

(11)

EP 0 959 870 A1

(12)

(43) Date of publication: 01.12.1999 Bulletin 1999/48 (21) Application number: 97927508.0 (22) Date of filing: 20.06.1997

(51) International Patent Classification (IPC):  A61J 17/ 00( . ) (86) International application number: PCT/NO1997/000160 (87) International publication number: WO 1998/002132 (22.01.1998 Gazette 1998/03)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 05.07.1996 NO 19960002832 (71) Applicant: Ogaard, Björn 0393 Oslo (NO)	(72) Inventors: PEDERSEN, Terje, S. N-4300 Sandnes (NO) OGAARD, Bjorn N-2830 Raufoss (NO) (74) Representative: Groner, Manfred, et al  Isler & Pedrazzini AG, Patentanwälte, Postfach 6940 8023 Zürich 8023 Zürich (CH)