(19)

(11)

EP 3 294 422 A1

(12)

(43) Date of publication: 21.03.2018 Bulletin 2018/12 (21) Application number: 16729613.6 (22) Date of filing: 11.05.2016

(51) International Patent Classification (IPC):  A62B 9/04(2006.01) A62B 7/10(2006.01) A62B 18/08(2006.01) A62B 18/02(2006.01) (86) International application number: PCT/GB2016/051355 (87) International publication number: WO 2016/181144 (17.11.2016 Gazette 2016/46)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 14.05.2015 GB 201508264 (71) Applicant: JSP Limited Oxfordshire OX29 0TA (GB)	(72) Inventors: FLEMING, Richard Oxford Oxfordshire OX29 0TA (GB) JOHNSTONE, Clive Witney Oxfordshire OX29 0TA (GB) (74) Representative: Wynne-Jones, Lainé and James LLP  Essex Place 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ Gloucestershire GL50 1JJ (GB)