(19)

(11)

EP 4 577 297 A2

(12)

(88) Date of publication A3: 18.04.2024 (43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23858188.8 (22) Date of filing: 18.08.2023

(51) International Patent Classification (IPC):  A61N 1/36(2006.01) A61N 1/05(2006.01) A61N 1/04(2006.01) (52) Cooperative Patent Classification (CPC): A61N 1/3605; A61N 1/36062; A61N 1/36053 (86) International application number: PCT/US2023/072507 (87) International publication number: WO 2024/044515 (29.02.2024 Gazette 2024/09)

(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: KH MA MD TN (30) Priority: 25.08.2022 US 202263373536 P (71) Applicants: Boomerang Medical, Inc. Mountain View, CA 94040 (US) Medtronic, Inc. Minneapolis MN 55432-5604 (US)	(72) Inventors: MORRISS, John Mountain View, California 94040 (US) MILLER, David Minneapolis, Minnesota 55432-5604 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)