(19)

(11)

EP 3 370 665 A1

(12)

(43) Date of publication: 12.09.2018 Bulletin 2018/37 (21) Application number: 17705457.4 (22) Date of filing: 08.02.2017

(51) International Patent Classification (IPC):  A61F 13/34(2006.01) A61F 13/36(2006.01) A61F 13/44(2006.01) A61B 17/00(2006.01) A61F 13/38(2006.01) (86) International application number: PCT/GB2017/050311 (87) International publication number: WO 2017/137739 (17.08.2017 Gazette 2017/33)

(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: 09.02.2016 GB 201602307 (71) Applicant: National Health Service Trust Development Authority London, Greater London SE1 6LG (GB)	(72) Inventors: FORSYTH, Donna London Greater London SE1 6LG (GB) HOPKINSON, Cathy London Greater London SE1 6LG (GB) (74) Representative: Dehns  St. Brides House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)