(19)

(11)

EP 0 194 275 A1

(12)

(43) Date of publication: 17.09.1986 Bulletin 1986/38 (21) Application number: 85904273.0 (22) Date of filing: 02.09.1985

(51) International Patent Classification (IPC):  A61B 5/ 117( . ) (86) International application number: PCT/GB1985/000391 (87) International publication number: WO 1986/001392 (13.03.1986 Gazette 1986/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 01.09.1984 GB 19840022131 (71) Applicant: Evans, Leighton David Maesteg Glamorgan CF34 9EE (GB)	(72) Inventor: Evans, Leighton David Maesteg Glamorgan CF34 9EE (GB) (74) Representative: James, Michael John Gwynne, et al  Wynne-Jones, Lainé & James Morgan Arcade Chambers 33, St. Mary Street Cardiff Clamorgan CF1 2AB Cardiff Clamorgan CF1 2AB (GB)