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EP 4 798 098 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24799397.5 (22) Date of filing: 14.10.2024

(51) International Patent Classification (IPC):  A61B 18/14(2006.01) A61B 18/00(2006.01) A61B 17/00(2006.01) (52) Cooperative Patent Classification (CPC): A61B 18/1492; A61B 2018/00577; A61B 2018/00357; A61B 2018/00279; A61B 2018/1415; A61B 2018/1465; A61B 2018/1475; A61B 2018/00601 (86) International application number: PCT/US2024/051235 (87) International publication number: WO 2025/090309 (01.05.2025 Gazette 2025/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 27.10.2023 US 202363593787 P (71) Applicants: Medtronic, Inc. Minneapolis, Minnesota 55432 (US) Medtronic Cryocath LP Toronto, Ontario M5L 1B9 (CA)

(72) Inventors: SEIFERT, Kevin R. Mounds View, Minnesota 55112 (US) ANDERSON, Thomas A. Mounds View, Minnesota 55112 (US) COULOMBE, Nicolas Québec H9R 5Z8 (CA) BAXTER, Jonathan Mounds View, Minnesota 55112 (US) DUONG, Neal C. Mounds View, Minnesota 55112 (US) GUSTAFSON, William M. Mounds View, Minnesota 55112 (US) YANG, Zhongping Mounds View, Minnesota 55112 (US) PRUSENER, Derek W. Mounds View, Minnesota 55112 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  P.O. Box 330 920 80069 München 80069 München (DE)