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(11)

EP 4 319 827 A1

(12)

(43) Date of publication: 14.02.2024 Bulletin 2024/07 (21) Application number: 22721770.0 (22) Date of filing: 08.04.2022

(51) International Patent Classification (IPC):  A61L 27/36(2006.01) B33Y 70/00(2020.01) A61L 27/38(2006.01) (52) Cooperative Patent Classification (CPC): A61L 27/3604; A61L 27/3683; A61L 27/3834; A61L 27/3847; A61L 27/3852; A61L 2430/02; A61L 2430/06; A61L 2430/40; B33Y 70/00 (86) International application number: PCT/EP2022/059530 (87) International publication number: WO 2022/214693 (13.10.2022 Gazette 2022/41)

(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: 09.04.2021 EP 21167738 (71) Applicant: Regen i Göteborg AB 413 25 Göteborg (SE)	(72) Inventors: SUMITRAN, Suchitra 413 25 Göteborg (SE) HOLGERSSON, Vanessa 413 25 Göteborg (SE) (74) Representative: AWA Sweden AB  P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)