(19)

(11)

EP 4 236 786 A2

(12)

(88) Date of publication A3: 23.06.2022 (43) Date of publication: 06.09.2023 Bulletin 2023/36 (21) Application number: 21805863.4 (22) Date of filing: 28.10.2021

(51) International Patent Classification (IPC):  A61B 5/08(2006.01) A61B 5/00(2006.01) G16H 20/40(2018.01) H04B 5/00(2006.01) A61B 5/397(2021.01) A61M 16/00(2006.01) G16H 40/63(2018.01) A61B 5/0205(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/08; A61M 16/024; A61B 5/002; A61B 5/02055; A61B 5/397; G16H 20/40; G16H 40/63; H04B 5/0031; H04B 13/005; H04B 5/0093; A61M 2205/3592; A61M 2230/60; A61M 2205/3569; A61M 16/0051; A61M 2230/10; A61M 2230/205; A61M 2205/3306; A61M 2230/432; A61M 2230/50; A61M 2230/30; H04B 5/0075 (86) International application number: PCT/EP2021/079933 (87) International publication number: WO 2022/090369 (05.05.2022 Gazette 2022/18)

(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: 29.10.2020 US 202063106932 P (71) Applicant: Drägerwerk AG & Co. KGaA 23558 Lübeck (DE)	(72) Inventor: KOKOVIDIS, Georgios Waltham, MA 02453 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)