(19)

(11)

EP 1 948 078 A2

(12)

(88) Date of publication A3: 29.11.2007 (43) Date of publication: 30.07.2008 Bulletin 2008/31 (21) Application number: 06839876.7 (22) Date of filing: 14.11.2006

(51) International Patent Classification (IPC):  A61F 2/04(2006.01) (86) International application number: PCT/US2006/060881 (87) International publication number: WO 2007/059490 (24.05.2007 Gazette 2007/21)

(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 NL PL PT RO SE SI SK TR (30) Priority: 14.11.2005 US 597151 P (71) Applicant: Sentinel Group, LLC Grand Rapids, MI 49546 (US)	(72) Inventor: BAKER, Randal S. Grand Rapids MI 49301 (US) (74) Representative: Moser & Götze  Patentanwälte Paul-Klinger-Strasse 9 45127 Essen 45127 Essen (DE)