(19)

(11)

EP 2 344 037 A1

(12)

(43) Date of publication: 20.07.2011 Bulletin 2011/29 (21) Application number: 09785537.3 (22) Date of filing: 27.08.2009

(51) International Patent Classification (IPC):  A61B 5/103(2006.01) A61B 5/107(2006.01) A61B 5/11(2006.01) G01B 3/00(2006.01) (86) International application number: PCT/GB2009/051075 (87) International publication number: WO 2010/023478 (04.03.2010 Gazette 2010/09)

(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 Designated Extension States: AL BA RS (30) Priority: 01.09.2008 GB 0815862 (71) Applicant: London Metropolitan University London E2 8AA (GB)	(72) Inventor: CAMPBELL-KARN, Kevin Daniel Buckinghamshire HP12 4AH (GB) (74) Representative: ip21 Ltd  Central Formalities Department Lakeside 300 Old Chapel Way Broadland Business Park Norwich Norfolk NR7 0WG Broadland Business Park Norwich Norfolk NR7 0WG (GB)