(19)

(11)

EP 2 603 699 A1

(12)

(43) Date of publication: 19.06.2013 Bulletin 2013/25 (21) Application number: 11757697.5 (22) Date of filing: 05.08.2011

(51) International Patent Classification (IPC):  F04B 43/04(2006.01) (86) International application number: PCT/US2011/046815 (87) International publication number: WO 2012/021412 (16.02.2012 Gazette 2012/07)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 09.08.2010 US 371954 P (71) Applicant: KCI Licensing, Inc. San Antonio TX 78249 (US)	(72) Inventors: TOUT, Aidan, Marcus Alderbury Wiltshire SP5 3FE (GB) LOCKE, Christopher, Brian Bournemouth Dorset BH9 3SD (GB) (74) Representative: Cordina, Kevin John  Olswang LLP 90 High Holborn London WC1V 6XX London WC1V 6XX (GB)