(19)

(11)

EP 4 525 722 A1

(12)

(43) Date of publication: 26.03.2025 Bulletin 2025/13 (21) Application number: 23726564.0 (22) Date of filing: 15.05.2023

(51) International Patent Classification (IPC):  A61B 5/367(2021.01) A61B 5/00(2006.01) A61B 5/361(2021.01) (52) Cooperative Patent Classification (CPC): A61B 5/367; A61B 5/361; A61B 5/7203; A61B 5/7282 (86) International application number: PCT/GB2023/051270 (87) International publication number: WO 2023/223007 (23.11.2023 Gazette 2023/47)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 16.05.2022 US 202217745342 (71) Applicant: Imperial College Innovations Limited London SW7 2AZ (GB)	(72) Inventors: KANAGARATNAM, Prapa London W2 1PG (GB) LINTON, Nicholas William Fox London W12 0NN (GB) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)