(19)

(11)

EP 2 112 941 A1

(12)

(43) Date of publication: 04.11.2009 Bulletin 2009/45 (21) Application number: 07760701.8 (22) Date of filing: 16.04.2007

(51) International Patent Classification (IPC):  A61N 1/08(2006.01) A61N 1/375(2006.01) (86) International application number: PCT/US2007/066695 (87) International publication number: WO 2008/088569 (24.07.2008 Gazette 2008/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 18.01.2007 US 885428 P (71) Applicant: MEDTRONIC, INC. Minneapolis, MN 55432-5604 (US)	(72) Inventors: PHILLIPS, William, C. Brooklyn Park, MN 55446 (US) MCMULLEN, Raymond, F. Shorewood, MN 55331 (US) (74) Representative: Hughes, Andrea Michelle  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)