(19)

(11)

EP 1 223 866 A1

(12)

(43) Date of publication: 24.07.2002 Bulletin 2002/30 (21) Application number: 00968131.3 (22) Date of filing: 17.10.2000

(51) International Patent Classification (IPC)7: A61B 10/00 (86) International application number: PCT/GB0003/983 (87) International publication number: WO 0128/428 (26.04.2001 Gazette 2001/17)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 18.10.1999 GB 9924449 05.09.2000 GB 0021698 (71) Applicant: Marshall-Fraser, Denis Banbury,Oxfordshire OX16 8DT (GB)	(72) Inventor: Marshall-Fraser, Denis Banbury,Oxfordshire OX16 8DT (GB) (74) Representative: Stanley, Michael Gordon  P.O. Box 270 Banbury,Oxfordshire OX15 5SD Banbury,Oxfordshire OX15 5SD (GB)