(19)

(11)

EP 4 456 931 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22844157.2 (22) Date of filing: 23.12.2022

(51) International Patent Classification (IPC):  A61L 2/20(2006.01) A61L 2/22(2006.01) A61L 9/14(2006.01) A61L 2/18(2006.01) A61L 2/24(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2/22; A61L 2/24; A61L 2209/111; A61L 2209/134; A61L 2209/135; A61L 2209/211; A61L 2209/22; A61L 2202/25; A61L 2202/11; A61L 9/14; A61L 2202/13; A61L 2202/14; A61L 2202/15 (86) International application number: PCT/EP2022/087790 (87) International publication number: WO 2023/126362 (06.07.2023 Gazette 2023/27)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.12.2021 BE 202106074 (71) Applicant: Roam Technology NV 3600 Genk (BE)	(72) Inventor: ROEBBEN, Jos 3600 Genk (BE) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)