(19)

(11)

EP 1 030 601 A1

(12)

(43) Date of publication: 30.08.2000 Bulletin 2000/35 (21) Application number: 98954593.4 (22) Date of filing: 13.11.1998

(51) International Patent Classification (IPC)7: A61B 10/00 (86) International application number: PCT/GB9803/431 (87) International publication number: WO 9925/251 (27.05.1999 Gazette 1999/21)

(84) Designated Contracting States: BE DE ES FR GB IT SE (30) Priority: 14.11.1997 ZA 9710284 (71) Applicant: HARWILL INDUSTRIES (PTY) LIMITED Durbanville 7550, Cape Province (ZA)	(72) Inventors: FOURIE, Pieter, Rousseau Cape Province 7551 (ZA) VAN DER MERWE, Marius Cape Province 7551 (ZA) (74) Representative: Gemmell, Peter Alan, Dr. et al Dummett Copp,25 The Square,Martlesham Heath Ipswich,Suffolk IP5 7SL Ipswich,Suffolk IP5 7SL (GB)