Patent ID: 8496004

Claim:
A diversion device for diverting breathing gas which is laden with CO 2 from an overpressure region of an arrangement that includes a breathing mask and serves to deliver a breathing gas at a pressure level that is above the ambient pressure, having: a tubular stub structure, which defines a breathing gas conduit that extends between an inlet cross section on a hose side and an outlet cross section on a mask side, and which is provided, in a region located between the inlet cross section and the outlet cross section, with an outflow orifice portion, by way of which the breathing gas to be carried reaches the environment, wherein, in a region located between the outflow orifice portion and the outlet cross section on the mask side of the breathing gas conduit and spaced from a terminal circumferential face of the outlet cross section by a gap region, a double-walled structure that surrounds the breathing gas conduit is embodied for sampling the breathing gas to be carried away from a mask interior, while an inlet region leading to the double-walled structure is located outside the breathing gas conduit.