(19)

(11)

EP 1 496 826 A1

(12)

(43) Date of publication: 19.01.2005 Bulletin 2005/03 (21) Application number: 03722739.4 (22) Date of filing: 11.04.2003

(51) International Patent Classification (IPC)7: A61F 13/02 (86) International application number: PCT/GB2003/001588 (87) International publication number: WO 2003/086255 (23.10.2003 Gazette 2003/43)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 12.04.2002 GB 0208513 (71) Applicant: Johnson & Johnson Medical Ltd. Edinburgh EH2 4NH (GB)	(72) Inventors: KIRKWOOD, Andrew, James Hull,East Yorkshire HU16 4QG (GB) WARRICK, Jonathan North Yorkshire BD20 7TA (GB) (74) Representative: James, Anthony Christopher W.P. et al Carpmaels & Ransford43-45 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)