(19)

(11)

EP 2 339 967 A1

(12)

(43) Date of publication: 06.07.2011 Bulletin 2011/27 (21) Application number: 09789230.1 (22) Date of filing: 27.08.2009

(51) International Patent Classification (IPC):  A61B 6/14(2006.01) (86) International application number: PCT/US2009/004891 (87) International publication number: WO 2010/024917 (04.03.2010 Gazette 2010/09)

(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 Designated Extension States: AL BA RS (30) Priority: 28.08.2008 US 190411 P (71) Applicant: DENTSPLY International Inc. York, PA 17405-0872 (US)	(72) Inventor: STEWARD, Curtis, L.. Jr. Sandwich IL 60548 (US) (74) Representative: Hartz, Nikolai  Wächtershäuser & Hartz Patentanwaltspartnerschaft Weinstrasse 8 80333 München 80333 München (DE)