(19)

(11)

EP 2 523 601 A1

(12)

(43) Date of publication: 21.11.2012 Bulletin 2012/47 (21) Application number: 11704314.1 (22) Date of filing: 13.01.2011

(51) International Patent Classification (IPC):  A61B 5/1455(2006.01) (86) International application number: PCT/IB2011/050160 (87) International publication number: WO 2011/086520 (21.07.2011 Gazette 2011/29)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 13.01.2010 US 335984 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: LACOURCIERE, William New York 10510-8001 (US) POLSON, Michael New York 10510-8001 (US) RICH, David New York 10510-8001 (US) (74) Representative: Van Velzen, Maaike Mathilde  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)