(19)

(11)

EP 2 379 024 A1

(12)

(43) Date of publication: 26.10.2011 Bulletin 2011/43 (21) Application number: 09812462.1 (22) Date of filing: 16.12.2009

(51) International Patent Classification (IPC):  A61F 7/02(2006.01) (86) International application number: PCT/IB2009/008002 (87) International publication number: WO 2010/109266 (30.09.2010 Gazette 2010/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 16.12.2008 US 335918 16.12.2008 US 335852 (71) Applicant: Otivio AS 0349 Oslo (NO)	(72) Inventors: REIN, Erling, Bekkestad N-1450 Nesoddtangen (NO) LANDEKLINT, Nils, Henrik N-1678 Krakeroy (NO) (74) Representative: Onsagers AS  Universitetsgaten 7 P.O. Box 6963 St. Olavs plass 0130 Oslo 0130 Oslo (NO)