(19)

(11)

EP 0 754 076 A1

(12)

(43) Date of publication: 22.01.1997 Bulletin 1997/04 (21) Application number: 95913908.0 (22) Date of filing: 04.04.1995

(51) International Patent Classification (IPC):  A61N 1/ 05( . ) (86) International application number: PCT/GB1995/000768 (87) International publication number: WO 1995/026780 (12.10.1995 Gazette 1995/43)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.04.1994 GB 19940006700 (71) Applicant: D.M.I. MEDICAL LIMITED Ince, Wigan WN1 3DP (GB)	(72) Inventors: MARKS, Malcolm Stanley Whelley, Wigan WN2 1AU (GB) GREGSON, Ian Warrington WA2 7QB (GB) (74) Representative: Berry, Neil  207 Moss Lane Bramhall Stockport SK7 1BA Bramhall Stockport SK7 1BA (GB)