(19)

(11)

EP 4 262 544 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21830325.3 (22) Date of filing: 13.12.2021

(51) International Patent Classification (IPC):  A61B 5/024(2006.01) A61B 5/00(2006.01) A61B 5/329(2021.01) A61B 5/0245(2006.01) G16H 50/30(2018.01) A63B 24/00(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/02405; A61B 5/02438; A61B 5/0245; A61B 5/024; G16H 50/30; A61B 5/4866; A61B 5/4884; A61B 5/329 (86) International application number: PCT/GB2021/053262 (87) International publication number: WO 2022/129879 (23.06.2022 Gazette 2022/25)

(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: KH MA MD TN (30) Priority: 15.12.2020 GB 202019778 (71) Applicant: Prevayl Innovations Limited ManchesterGreater Manchester M2 3AZ (GB)	(72) Inventors: ROBERTAUD, David Manchester Greater Manchester M2 3AZ (GB) ASHBY, Martin Manchester Greater Manchester M2 3AZ (GB) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)