(19)

(11)

EP 4 333 910 A1

(12)

(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 22799208.8 (22) Date of filing: 06.05.2022

(51) International Patent Classification (IPC):  A61L 2/10(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2/10; A61L 2202/14; A61L 2202/122; A61L 2202/11 (86) International application number: PCT/SE2022/050442 (87) International publication number: WO 2022/235196 (10.11.2022 Gazette 2022/45)

(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: 06.05.2021 SE 2150577 (71) Applicant: Whitebox AB 931 33 Skellefteå (SE)	(72) Inventor: WIKSTRÖM, Erik 93133 Skellefteå (SE) (74) Representative: Zacco Sweden AB  P.O. Box 5581 Löjtnantsgatan 21 114 85 Stockholm 114 85 Stockholm (SE)