(19)

(11)

EP 1 606 827 A2

(12)

(88) Date of publication A3: 28.10.2004 (43) Date of publication: 21.12.2005 Bulletin 2005/51 (21) Application number: 04720066.2 (22) Date of filing: 12.03.2004

(51) International Patent Classification (IPC)7: G21G 4/00 (86) International application number: PCT/GB2004/001033 (87) International publication number: WO 2004/080523 (23.09.2004 Gazette 2004/39)

(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 LT LV MK (30) Priority: 14.03.2003 GB 0305848 (71) Applicant: Hammersmith Imanet Limited London W12 0NN (GB)	(72) Inventors: RENTON, M. L.,Hammersmith Imanet Ltd London W12 0NN (GB) CREASEY, S.,Hammersmith Imanet Ltd London W12 0NN (GB) RANICAR, A.,Hammersmith Imanet Ltd London W12 0NN (GB) (74) Representative: Hammett, Audrey Grace Campbell et al Hammersmith Imanet Ltd. Cyclotron Building, Hammersmith Hospital Du Cane RoadLondon, W12 ONN Du Cane RoadLondon, W12 ONN (GB)