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EP 4 468 963 A1

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(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 22922651.9 (22) Date of filing: 26.01.2022

(51) International Patent Classification (IPC):  A61B 6/12(2006.01) A61B 6/03(2006.01) A61B 34/20(2016.01) (52) Cooperative Patent Classification (CPC): A61B 6/4405; A61B 6/4441; A61B 6/547; A61B 90/37; A61B 2034/2055; A61B 2034/2051; A61B 2090/376; A61B 34/30; A61B 90/361; A61B 34/25 (86) International application number: PCT/CN2022/073939 (87) International publication number: WO 2023/141800 (03.08.2023 Gazette 2023/31)

(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 (71) Applicant: Warsaw Orthopedic, Inc. Warsaw, IN 46582 (US)	(72) Inventor: CAI, Pengfei Shanghai 201114 (CN) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)