(19)

(11)

EP 1 231 969 A1

(12)

(43) Date of publication: 21.08.2002 Bulletin 2002/34 (21) Application number: 00975025.8 (22) Date of filing: 26.10.2000

(51) International Patent Classification (IPC)7: A61M 25/00 (86) International application number: PCT/NZ0000/210 (87) International publication number: WO 0103/0433 (03.05.2001 Gazette 2001/18)

(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: 26.10.1999 NZ 50058299 (71) Applicant: Webster, Mark Wilson Ian Auckland (NZ)	(72) Inventor: Webster, Mark Wilson Ian Auckland (NZ) (74) Representative: Copsey, Timothy Graham et al Kilburn & Strode,20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)