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(11)

EP 4 380 444 A1

(12)

(43) Date of publication: 12.06.2024 Bulletin 2024/24 (21) Application number: 22758426.5 (22) Date of filing: 26.07.2022

(51) International Patent Classification (IPC):  A61B 5/08(2006.01) A61B 5/00(2006.01) A61B 5/087(2006.01) A61B 5/024(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/0816; A61B 5/087; A61B 5/486; A61B 5/02405; A61B 5/6803 (86) International application number: PCT/EP2022/070858 (87) International publication number: WO 2023/011968 (09.02.2023 Gazette 2023/06)

(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: 03.08.2021 WO PCT/CN2021/110359 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: KONG, Tao 5656 AG Eindhoven (NL) CHEN, Weizhong 5656 AG Eindhoven (NL) TANG, Lijuan 5656 AG Eindhoven (NL) LUO, Zhongchi 5656 AG Eindhoven (NL) LI, Ming 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)