(19)

(11)

EP 1 131 125 A1

(12)

(43) Date of publication: 12.09.2001 Bulletin 2001/37 (21) Application number: 99972554.2 (22) Date of filing: 17.11.1999

(51) International Patent Classification (IPC)7: A61M 25/00 (86) International application number: PCT/GB9903/825 (87) International publication number: WO 0030/709 (02.06.2000 Gazette 2000/22)

(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: 19.11.1998 GB 9825253 (71) Applicant: Feneley, Roger Charles Leslie Clifton,Bristol BS8 3LH (GB)	(72) Inventor: Feneley, Roger Charles Leslie Clifton,Bristol BS8 3LH (GB) (74) Representative: Claisse, John Anthony, Dr.  97 Portway WellsSomerset BA5 2BR WellsSomerset BA5 2BR (GB)