(19)

(11)

EP 4 259 243 A1

(12)

(43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 21824609.8 (22) Date of filing: 07.12.2021

(51) International Patent Classification (IPC):  A61M 5/168(2006.01) (52) Cooperative Patent Classification (CPC): A61M 5/16877; A61M 5/16813; A61M 5/16881 (86) International application number: PCT/FI2021/050846 (87) International publication number: WO 2022/123113 (16.06.2022 Gazette 2022/24)

(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: 10.12.2020 FI 20206279 (71) Applicant: Monidor Oy 90590 Oulu (FI)	(72) Inventors: SAVOLA, Mikko 90590 Oulu (FI) PUOLITAIVAL, Seppo 90590 Oulu (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)