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(11)

EP 2 061 525 A1

(12)

(43) Date of publication: 27.05.2009 Bulletin 2009/22 (21) Application number: 06790620.6 (22) Date of filing: 30.08.2006

(51) International Patent Classification (IPC):  A61L 27/32(2006.01) A61L 27/30(2006.01) A61L 27/40(2006.01) A61L 27/56(2006.01) A61L 29/12(2006.01) A61F 2/02(2006.01) A61L 27/28(2006.01) A61L 27/34(2006.01) A61L 27/54(2006.01) A61L 27/58(2006.01) A61F 2/82(2006.01) C09D 1/00(2006.01) (86) International application number: PCT/CA2006/001442 (87) International publication number: WO 2008/025122 (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 NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: THE UNIVERSITY OF BRITISH COLUMBIA Vancouver, British Columbia V6T 1Z3 (CA)	(72) Inventors: TROCZYNSKI, Tomasz Vancouver, British Columbia V5X 1T6 (CA) YANG, Quanzu Vancouver, British Columbia V6T 1X7 (CA) (74) Representative: Sendrowski, Heiko  Eisenfuhr, Speiser & Partner Postfach 10 60 78 28060 Bremen 28060 Bremen (DE)