(19)

(11)

EP 2 079 523 A2

(12)

(88) Date of publication A3: 30.10.2008 (43) Date of publication: 22.07.2009 Bulletin 2009/30 (21) Application number: 07863660.2 (22) Date of filing: 30.10.2007

(51) International Patent Classification (IPC):  A61N 5/06(2006.01) A61K 41/00(2006.01) (86) International application number: PCT/US2007/083009 (87) International publication number: WO 2008/055159 (08.05.2008 Gazette 2008/19)

(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: 30.10.2006 US 863419 P (71) Applicant: MEDTRONIC, INC. Minneapolis MN 55432-5604 (US)	(72) Inventor: KATRA, Rodolphe P. Blaine, Minnesota 55434 (US) (74) Representative: Hughes, Andrea Michelle  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)