(19)

(11)

EP 0 920 281 A1

(12)

(43) Date of publication: 09.06.1999 Bulletin 1999/23 (21) Application number: 97947768.0 (22) Date of filing: 27.11.1997

(51) International Patent Classification (IPC):  A61B 17/ 32( . ) B65B 61/ 06( . ) A61F 5/ 445( . ) (86) International application number: PCT/GB1997/003270 (87) International publication number: WO 1998/025527 (18.06.1998 Gazette 1998/24)

(84) Designated Contracting States: DE DK FR IE (30) Priority: 13.12.1996 GB 19960025906 (71) Applicant: PCS Fordham, Ely, Cambridgeshire CB7 5NH (GB)	(72) Inventor: ELEY, Stephen, Peter Soham Ely Cambridgeshire CB7 5JD (GB) (74) Representative: Howe, Steven  Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)