(19)

(11)

EP 4 415 601 A1

(12)

(43) Date of publication: 21.08.2024 Bulletin 2024/34 (21) Application number: 22801364.5 (22) Date of filing: 05.10.2022

(51) International Patent Classification (IPC):  A61B 3/11(2006.01) A61B 3/00(2006.01) A61B 3/113(2006.01) A61B 3/15(2006.01) (52) Cooperative Patent Classification (CPC): A61B 3/111; A61B 3/113; A61B 3/0091; A61B 3/152 (86) International application number: PCT/EP2022/077681 (87) International publication number: WO 2023/061822 (20.04.2023 Gazette 2023/16)

(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: 11.10.2021 GB 202114508 (71) Applicant: Fuel 3D Technologies Limited Oxford Oxfordshire OX1 2JW (GB)	(72) Inventor: WILSON, Iain Oxford, Oxfordshire OX1 2JW (GB) (74) Representative: Watkin, Timothy Lawrence Harvey  Marks & Clerk LLP 2nd Floor, Wytham Court 11 West Way Oxford OX2 0JB Oxford OX2 0JB (GB)