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(11)

EP 4 208 252 A1

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(43) Date of publication: 12.07.2023 Bulletin 2023/28 (21) Application number: 21759494.4 (22) Date of filing: 07.08.2021

(51) International Patent Classification (IPC):  A61N 2/00(2006.01) A61N 2/02(2006.01) (52) Cooperative Patent Classification (CPC): A61N 2/00; A61N 2/004 (86) International application number: PCT/US2021/045132 (87) International publication number: WO 2022/035719 (17.02.2022 Gazette 2022/07)

(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: 07.08.2020 US 202063063198 P 17.12.2020 US 202063127129 P 04.05.2021 US 202117308019 06.08.2021 US 202117396608 (71) Applicant: Sharma, Vivek K. San Ramon, CA 94582 (US)

(72) Inventor: Sharma, Vivek K. San Ramon, CA 94582 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)