(19)

(11)

EP 1 617 889 A1

(12)

(43) Date of publication: 25.01.2006 Bulletin 2006/04 (21) Application number: 04730287.2 (22) Date of filing: 29.04.2004

(51) International Patent Classification (IPC):  A61M 5/32(1968.09) A61M 5/34(1974.07) (86) International application number: PCT/GB2004/001853 (87) International publication number: WO 2004/096326 (11.11.2004 Gazette 2004/46)

(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 Designated Extension States: AL HR LT LV MK (30) Priority: 01.05.2003 GB 0310019 (71) Applicant: NMT Group PLC Livingston, EH54 8AF (GB)	(72) Inventors: DONNAN, Jeremy Francis Balerno, Edinburgh EH14 7JJ (GB) TARGELL, John Kilmarnock, Ayrshire KA1 5NH (GB) (74) Representative: Johnstone, Douglas Ian et al Baron & Warren, 19 South End, Kensington London W8 5BU London W8 5BU (GB)