(19)

(11)

EP 4 271 265 A1

(12)

(43) Date of publication: 08.11.2023 Bulletin 2023/45 (21) Application number: 21831076.1 (22) Date of filing: 29.12.2021

(51) International Patent Classification (IPC):  A61B 5/11(2006.01) A61B 5/00(2006.01) A61B 5/0537(2021.01) (52) Cooperative Patent Classification (CPC): A61B 2505/07; A61B 5/1116; A61B 5/1114; A61B 5/0537; A61B 5/4842; A61B 5/746; A61B 5/7275; A61B 5/4848 (86) International application number: PCT/EP2021/087760 (87) International publication number: WO 2022/144373 (07.07.2022 Gazette 2022/27)

(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: 31.12.2020 EP 20217994 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: KAHLERT, Joachim Johannes 5656 AG Eindhoven (NL) DOS SANTOS DA FONSECA, Pedro Miguel Ferreira 5656 AG Eindhoven (NL) GRASSI, Angela 5656 AG Eindhoven (NL) WILLARD, Nicolaas Petrus 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)