(19)

(11)

EP 0 596 905 A1

(12)

(43) Date of publication: 18.05.1994 Bulletin 1994/20 (21) Application number: 92914375.0 (22) Date of filing: 21.07.1992

(51) International Patent Classification (IPC):  A61F 2/ 06( . ) B29C 47/ 00( . ) A61L 27/ 18( . ) A61F 2/ 00( . ) (86) International application number: PCT/GB1992/001338 (87) International publication number: WO 1993/002637 (18.02.1993 Gazette 1993/05)

(84) Designated Contracting States: DE FR GB (30) Priority: 01.08.1991 GB 19910016563 (71) Applicant: PolyMedica Industries, Inc. Woburn, MA 01801 (US)	(72) Inventor: UNDERWOOD, Christopher, John 22 Keswick Avenue Manchester M34 3QD (GB) (74) Representative: McNeight, David Leslie, et al  McNeight & Lawrence Regent House Heaton Lane Stockport Cheshire SK4 1BS Stockport Cheshire SK4 1BS (GB)