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(11)

EP 4 297 688 A1

(12)

(43) Date of publication: 03.01.2024 Bulletin 2024/01 (21) Application number: 22710938.6 (22) Date of filing: 25.02.2022

(51) International Patent Classification (IPC):  A61B 34/35(2016.01) A61M 25/01(2006.01) A61B 34/00(2016.01) (52) Cooperative Patent Classification (CPC): A61B 34/35; A61B 2034/301; A61B 34/74; A61B 2017/00477; A61M 25/0136 (86) International application number: PCT/US2022/070846 (87) International publication number: WO 2022/183216 (01.09.2022 Gazette 2022/35)

(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: 26.02.2021 US 202163154192 P 15.07.2021 US 202117305856 08.11.2021 US 202117453988 (71) Applicant: Nextern Innovation, LLC White Bear Lake MN 55110 (US)	(72) Inventors: SWOYER, John Blaine, Minnesota 55449 (US) GIGL, Steven North Crystal, Minnesota 55427 (US) (74) Representative: Schweiger, Martin  Patentanwalt Martin Schweiger Erhardtstraße 12 80469 München 80469 München (DE)