(19)

(11)

EP 4 210 807 A1

(12)

(43) Date of publication: 19.07.2023 Bulletin 2023/29 (21) Application number: 21867705.2 (22) Date of filing: 10.09.2021

(51) International Patent Classification (IPC):  A61M 39/10(2006.01) A61M 39/16(2006.01) (52) Cooperative Patent Classification (CPC): A61M 39/10; A61M 2039/1066; A61M 39/165 (86) International application number: PCT/US2021/049937 (87) International publication number: WO 2022/056305 (17.03.2022 Gazette 2022/11)

(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: 11.09.2020 US 202017018462 (71) Applicant: Walterspiel, Juan Nepomuc Menlo Park, CA 94025 (US)	(72) Inventor: Walterspiel, Juan Nepomuc Menlo Park, CA 94025 (US) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)