(19)
(11) EP 4 823 689 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24821080.9

(22) Date of filing: 09.12.2024
(51) International Patent Classification (IPC): 
A62B 7/04(2006.01)
A62B 9/02(2006.01)
(52) Cooperative Patent Classification (CPC):
A62B 7/04; A62B 9/027; A62B 9/022
(86) International application number:
PCT/EP2024/085283
(87) International publication number:
WO 2025/125162 (19.06.2025 Gazette 2025/25)
(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:
GE KH MA MD TN

(30) Priority: 11.12.2023 EP 23215528

(71) Applicant: Dräger Safety AG & Co. KGaA
23560 Lübeck (DE)

(72) Inventors:
  • BRECHTELSBAUER, Iain
    Whitley Bay, NE25 8ST (GB)
  • LEONARD, Alexander Miles
    Whitley Bay, NE25 8RB (GB)
  • BLENKIRON, Craig Stuart
    Northumberland NE42 5PJ (GB)

(74) Representative: Haseltine Lake Kempner LLP 
One Portwall Square Portwall Lane
Bristol BS1 6BH
Bristol BS1 6BH (GB)

   


(54) LUNG DEMAND REGULATOR DEVICE AND DIAPHRAGM