(19)

(11)

EP 0 715 529 A1

(12)

(43) Date of publication: 12.06.1996 Bulletin 1996/24 (21) Application number: 94924917.0 (22) Date of filing: 23.08.1994

(51) International Patent Classification (IPC):  A61M 25/ 00( . ) A61M 25/ 01( . ) (86) International application number: PCT/GB1994/001841 (87) International publication number: WO 1995/005862 (02.03.1995 Gazette 1995/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.08.1993 GB 19930017539 (71) Applicant: SHIU, Man, Fai Moseley, Birmingham B13 9QZ (GB)	(72) Inventor: SHIU, Man, Fai Moseley, Birmingham B13 9QZ (GB) (74) Representative: Hallam, Arnold Vincent, et al  E.N. LEWIS & TAYLOR 5 The Quadrant Coventry, CV1 2EL Coventry, CV1 2EL (GB)