(19)

(11)

EP 4 157 369 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21818633.6 (22) Date of filing: 30.05.2021

(51) International Patent Classification (IPC):  A61L 2/22(2006.01) A61L 2/12(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2202/25; A61L 2/12; A61L 2202/16; A61L 2/18; A61L 2/22; A61L 2/24; A61L 2202/14 (86) International application number: PCT/US2021/035054 (87) International publication number: WO 2021/247453 (09.12.2021 Gazette 2021/49)

(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: 01.06.2020 US 202063032726 P (71) Applicant: Zeteo Tech, Inc. Sykesville, MD 21784 (US)	(72) Inventors: McCREERY, Thomas Sykesville, MD 21784 (US) BRYDEN, Wayne, A. Sykesville, MD 21784 (US) CATON, Emily Sykesville, MD 21784 (US) (74) Representative: Körfer, Thomas  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstrasse 33 80331 München 80331 München (DE)