(19)

(11)

EP 1 781 177 A1

(12)

(43) Date of publication: 09.05.2007 Bulletin 2007/19 (21) Application number: 04780589.0 (22) Date of filing: 10.08.2004

(51) International Patent Classification (IPC):  A61B 10/00(2006.01) (86) International application number: PCT/US2004/025780 (87) International publication number: WO 2006/022699 (02.03.2006 Gazette 2006/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicants: Leigh, Harold G. Iron River, WI 54847 (US) Kneen, Matthew D. Minneapolis, MN 55412 (US)	(72) Inventors: Leigh, Harold G. Iron River, WI 54847 (US) Kneen, Matthew D. Minneapolis, MN 55412 (US) (74) Representative: Charig, Raymond Julian  Eric Potter Clarkson Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)