(19)

(11)

EP 0 894 016 A1

(12)

(43) Date of publication: 03.02.1999 Bulletin 1999/05 (21) Application number: 97906942.0 (22) Date of filing: 14.03.1997

(51) International Patent Classification (IPC):  A61M 25/ 02( . ) A61M 39/ 16( . ) (86) International application number: PCT/AU1997/000166 (87) International publication number: WO 1997/033643 (18.09.1997 Gazette 1997/40)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 14.03.1996 AU 1996PN08700 12.04.1996 AU 1996PN09244 (71) Applicants: O'NEIL, Christine Subiaco 6008, Perth, W.A. (AU) O'NEIL, Alexander George Brian Subiaco 6008, Perth, W.A. (AU)	(72) Inventor: O'NEIL, Alexander, George, Brian Subiaco, W.A. 6008 (AU) (74) Representative: Pattullo, Norman, et al  Murgitroyd and Company 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)