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(11)

EP 4 138 997 A1

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(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21793370.4 (22) Date of filing: 20.04.2021

(51) International Patent Classification (IPC):  A61N 5/06(2006.01) A61M 29/00(2006.01) (52) Cooperative Patent Classification (CPC): A61N 2005/0611; A61N 5/0603; A61N 5/0624; A61N 2005/063; A61N 2005/0652 (86) International application number: PCT/US2021/028235 (87) International publication number: WO 2021/216605 (28.10.2021 Gazette 2021/43)

(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: 20.04.2020 US 202063012700 P 20.04.2020 US 202063012708 P 24.08.2020 US 202017001609 (71) Applicants: Cern Corp. Trabuco Canyon, CA 92679 (US) Klang, Gregg, Alan Coto De Caza, CA 92679 (US) Krunkleton, James Alan Trabuco Canyon, CA 92679 (US)

(72) Inventors: KLANG, Gregg Alan Trabuco Canyon, CA 92679 (US) KRUNKLETON, James Alan Trabuco Canyon, CA 92679 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)