(19)

(11)

EP 2 370 134 A2

(12)

(88) Date of publication A3: 22.07.2010 (43) Date of publication: 05.10.2011 Bulletin 2011/40 (21) Application number: 09756332.4 (22) Date of filing: 16.10.2009

(51) International Patent Classification (IPC):  A61M 5/31(2006.01) (86) International application number: PCT/GB2009/002486 (87) International publication number: WO 2010/043875 (22.04.2010 Gazette 2010/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 18.10.2008 GB 0819161 (71) Applicant: Frontier Plastics Limited Blackwood, Gwent NP12 2YN (GB)	(72) Inventor: DAVIES, John, L. Gwent NP12 2YN (GB) (74) Representative: Dunlop, Brian Kenneth Charles  Wynne-Jones, Lainé & James LLP Temple Court 13A Cathedral Road Cardiff CF11 9HA Cardiff CF11 9HA (GB)