(19)

(11)

EP 4 240 280 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21889881.5 (22) Date of filing: 01.11.2021

(51) International Patent Classification (IPC):  A61F 2/06(2013.01) A61F 2/88(2006.01) A61F 2/82(2013.01) (52) Cooperative Patent Classification (CPC): A61F 2/9517; A61F 2/954; A61F 2002/061; A61F 2230/0017 (86) International application number: PCT/US2021/057506 (87) International publication number: WO 2022/098591 (12.05.2022 Gazette 2022/19)

(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: 04.11.2020 US 202063109387 P 26.03.2021 US 202117214021 (71) Applicant: Walzmann, Daniel, Ezra Bergenfield, NJ 07621 (US)	(72) Inventor: Walzmann, Daniel, Ezra Bergenfield, NJ 07621 (US) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)