(19)

(11)

EP 4 329 577 A1

(12)

(43) Date of publication: 06.03.2024 Bulletin 2024/10 (21) Application number: 22724529.7 (22) Date of filing: 26.04.2022

(51) International Patent Classification (IPC):  A61B 1/00(2006.01) A61B 1/24(2006.01) (52) Cooperative Patent Classification (CPC): A61B 1/24; A61B 1/00066; A61B 5/6898; A61B 1/00052; A61C 9/0053; A61C 19/00; A61B 5/0079; A61B 5/0088; A61B 5/4547; A61B 5/4552; A61B 5/4557; A61B 5/7264; A61B 5/746 (86) International application number: PCT/US2022/026297 (87) International publication number: WO 2022/232108 (03.11.2022 Gazette 2022/44)

(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: 26.04.2021 US 202163180008 P 18.06.2021 US 202163212583 P (71) Applicant: Align Technology, Inc. San Jose, CA 95134 (US)	(72) Inventors: FARKASH, Shai San Jose, CA 95134 (US) ATIYA, Yossef, Y. San Jose, CA 95134 (US) MOSHE, Maayan San Jose, CA 95134 (US) (74) Representative: Hancox, Jonathan Christopher et al Venner Shipley LLP Windsor House 6-10 Mount Ephraim Road Tunbridge Wells, Kent TN1 1EE Tunbridge Wells, Kent TN1 1EE (GB)