(19)

(11)

EP 1 551 330 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03725921.5 (22) Date of filing: 22.05.2003

(51) International Patent Classification (IPC)7: A61D 1/02 (86) International application number: PCT/NZ2003/000099 (87) International publication number: WO 2003/097109 (27.11.2003 Gazette 2003/48)

(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: 22.05.2002 NZ 51911202 (71) Applicant: Interag Hamilton (NZ)	(72) Inventors: BUNT, Craig, Robert Hamilton (NZ) OGLE, Colin, Roger Hamilton (NZ) RATHBONE, Michael, John Hamilton (NZ) (74) Representative: Caldwell, Judith Margaret et al David Keltie AssociatesFleet Place House2 Fleet Place London EC4M 7ET London EC4M 7ET (GB) (56) References cited: :