(19)

(11)

EP 4 274 513 A1

(12)

(43) Date of publication: 15.11.2023 Bulletin 2023/46 (21) Application number: 22702325.6 (22) Date of filing: 05.01.2022

(51) International Patent Classification (IPC):  A61F 2/24(2006.01) A61B 5/00(2006.01) A61N 1/362(2006.01) A61N 1/378(2006.01) A61B 5/287(2021.01) A61N 1/05(2006.01) A61N 1/375(2006.01) A61N 1/372(2006.01) (52) Cooperative Patent Classification (CPC): A61F 2/2418; A61N 1/3787; A61F 2230/0008; A61F 2250/0001; A61F 2250/0002; A61N 1/37229; A61F 2250/0039; A61N 1/057 (86) International application number: PCT/IL2022/050019 (87) International publication number: WO 2022/149130 (14.07.2022 Gazette 2022/28)

(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: 06.01.2021 US 202117142729 24.05.2021 US 202117328588 (71) Applicant: E-Valve Systems Ltd. Herzliya 4600843 (IL)	(72) Inventor: GROSS, Yossi 73160 Moshav Mazor (IL) (74) Representative: Evens, Paul Jonathan et al Maguire Boss 24 East Street St. Ives, Cambridgeshire PE27 5PD St. Ives, Cambridgeshire PE27 5PD (GB)