(19)

(11)

EP 0 574 460 A1

(12)

(43) Date of publication: 22.12.1993 Bulletin 1993/51 (21) Application number: 92905759.0 (22) Date of filing: 06.03.1992

(51) International Patent Classification (IPC):  A61B 1/ 04( . ) (86) International application number: PCT/GB1992/000399 (87) International publication number: WO 1992/015238 (17.09.1992 Gazette 1992/24)

(84) Designated Contracting States: DE FR GB (30) Priority: 06.03.1991 GB 19910004713 (71) Applicant: OMEGA UNIVERSAL LIMITED Douglas, Isle of Man (GB)	(72) Inventor: DIAMANTOPOULOS, Costas London SE10 9HE (GB) (74) Representative: Cooke, William Douglas, et al  Hughes Clark & Co. P.O. Box 22 114/118 Southampton Row London WC1B 5AA London WC1B 5AA (GB)