(19)

(11)

EP 2 274 049 A2

(12)

(88) Date of publication A3: 17.12.2009 (43) Date of publication: 19.01.2011 Bulletin 2011/03 (21) Application number: 09732617.7 (22) Date of filing: 17.04.2009

(51) International Patent Classification (IPC):  A61N 1/36(2006.01) A61N 1/372(2006.01) (86) International application number: PCT/US2009/040988 (87) International publication number: WO 2009/129478 (22.10.2009 Gazette 2009/43)

(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 TR Designated Extension States: AL BA RS (30) Priority: 18.04.2008 US 46200 18.04.2008 US 46225 (71) Applicant: MEDTRONIC, INC. Minneapolis, MN 55432-5604 (US)	(72) Inventors: GIFTAKIS, Jonathon, E. Maple Grove MN 55311 (US) RISE, Mark, T. Monticello MN 55432 (US) STYPULKOWSKI, Paul, H. North Oaks MN 55127 (US) DENISON, Timothy, J. Minneapolis MN 55410 (US) (74) Representative: Hughes, Andrea Michelle  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)