(19)

(11)

EP 1 453 462 A1

(12)

(43) Date of publication: 08.09.2004 Bulletin 2004/37 (21) Application number: 02779720.8 (22) Date of filing: 22.11.2002

(51) International Patent Classification (IPC)7: A61G 7/018, A61B 5/00, A61H 23/00, G05B 19/042 (86) International application number: PCT/GB2002/005249 (87) International publication number: WO 2003/045300 (05.06.2003 Gazette 2003/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.11.2001 GB 0128057 (71) Applicant: Smarta Systems Limited Llandarcy,Neath SA10 6EJ (GB)	(72) Inventor: REES, John, Christopher Mumbles,Swansea SA3 4HZ (GB) (74) Representative: Evans, Huw David Duncan  Urquhart-Dykes & Lord LLPThree Trinity Court,21-27 Newport Road Cardiff CF24 OAA Cardiff CF24 OAA (GB)