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(11)

EP 4 110 436 A1

(12)

(43) Date of publication: 04.01.2023 Bulletin 2023/01 (21) Application number: 20921939.3 (22) Date of filing: 24.08.2020

(51) International Patent Classification (IPC):  A61M 5/24(2006.01) A61M 5/31(2006.01) A61M 5/50(2006.01) A61M 5/28(2006.01) A61M 5/315(2006.01) (52) Cooperative Patent Classification (CPC): A61M 5/2033; A61M 5/2459; A61M 2005/2433 (86) International application number: PCT/CA2020/051157 (87) International publication number: WO 2021/168533 (02.09.2021 Gazette 2021/35)

(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: 25.02.2020 US 202016800804 (71) Applicant: Difinity Solutions Inc. Vancouver BC V6C 0A3 (CA)	(72) Inventors: KIM, David Sanghyuck Vancouver, British Columbia V6C 0A3 (CA) TAK, Damien Vancouver, British Columbia V6C 0A3 (CA) (74) Representative: Dantz, Jan Henning et al Loesenbeck - Specht - Dantz Patent- und Rechtsanwälte Am Zwinger 2 33602 Bielefeld 33602 Bielefeld (DE)