(19)

(11)

EP 0 485 570 A1

(12)

(43) Date of publication: 20.05.1992 Bulletin 1992/21 (21) Application number: 91910683.0 (22) Date of filing: 30.05.1991

(51) International Patent Classification (IPC):  A61N 5/ 06( . ) A61N 5/ 067( . ) A61B 17/ 00( . ) (86) International application number: PCT/GB1991/000862 (87) International publication number: WO 1991/018646 (12.12.1991 Gazette 1991/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 30.05.1990 GB 19900011998 (71) Applicant: EUROPEAN INDUSTRIES LIMITED Isle of Man (GB)	(72) Inventors: DIAMANTOPOULOS, Costas London SW10 (GB) LETOKHOV, Vladilen London N1 6UT (GB) (74) Representative: Cooke, William Douglas  Hughes Clark & Co. P.O. Box 22 114/118 Southampton Row London WC1B 5AA London WC1B 5AA (GB)