(19)

(11)

EP 0 814 745 A1

(12)

(43) Date of publication: 07.01.1998 Bulletin 1998/02 (21) Application number: 96908181.0 (22) Date of filing: 22.03.1996

(51) International Patent Classification (IPC):  A61H 9/ 00( . ) A61M 1/ 00( . ) A61M 1/ 08( . ) (86) International application number: PCT/GB1996/000683 (87) International publication number: WO 1996/029043 (26.09.1996 Gazette 1996/43)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI NL SE (30) Priority: 22.03.1995 GB 19950005755 (71) Applicant: University College London London WC1E 6BT (GB)	(72) Inventor: MANUSHAKIAN, Hagop S. London WC1E 6JJ (GB) (74) Representative: Moir, Michael Christopher, et al  Mathys & Squire 100 Gray's Inn Road London WC1X 8AL London WC1X 8AL (GB)