(19)

(11)

EP 0 440 719 A1

(12)

(43) Date of publication: 14.08.1991 Bulletin 1991/33 (21) Application number: 89912272.0 (22) Date of filing: 26.10.1989

(51) International Patent Classification (IPC):  A61N 1/ 18( . ) A61N 1/ 20( . ) (86) International application number: PCT/GB1989/001278 (87) International publication number: WO 1990/004996 (17.05.1990 Gazette 1990/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 31.10.1988 GB 19880025464 29.12.1988 GB 19880030318 (71) Applicant: FAKHRI, Omar London NW8 (GB)	(72) Inventor: FAKHRI, Omar London NW8 (GB) (74) Representative: W.P. THOMPSON & CO.  Celcon House 289-293 High Holborn London WC1V 7HU London WC1V 7HU (GB)