(19)

(11)

EP 2 077 797 A2

(12)

(88) Date of publication A3: 27.11.2008 (43) Date of publication: 15.07.2009 Bulletin 2009/29 (21) Application number: 07814498.7 (22) Date of filing: 28.08.2007

(51) International Patent Classification (IPC):  A61F 2/06(2006.01) (86) International application number: PCT/US2007/076960 (87) International publication number: WO 2008/027871 (06.03.2008 Gazette 2008/10)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 28.08.2006 US 823692 P 13.09.2006 US 825434 P 20.12.2006 US 613443 20.03.2007 US 895924 P 04.06.2007 US 941813 P 22.08.2007 US 843376 (71) Applicant: Cornova, Inc. Burlington, MA 01803 (US)	(72) Inventors: RYAN, S., Eric Hopkinton, Massachusetts 01748 (US) SAHAGIAN, Richard Burlington, Massachusetts 01803 (US) (74) Representative: Reedy, Orlaith et al Tomkins & Co 5 Dartmouth Road Dublin 6 Dublin 6 (IE)