Patent ID: 11883597
Assignee: LOEWENSTEIN MEDICAL TECHNOLOGY S.A.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A respiratory mask, wherein the mask comprises a mask unit and at least one emission device for discharging exhaled gas from inside the respiratory mask, the mask unit comprising at least one mask body and at least one mask bead connected to the mask body and a connection unit connected to the mask body for connection of a respiratory gas feed line, and the emission device comprising a plurality of separate flow channels which respectively consist of at least two flow subchannels and are arranged at a distance from one another and at least in sections circularly or semicircularly, and wherein at least one of the flow channels comprises at least one constriction section which extends over a distance which is at least equal to one half of a total length of the flow channel; and at least one of the flow channels comprises at least one inlet region narrowing in the shape of a funnel before a constriction section in a flow direction and at least one outlet region widening in the shape of a funnel after the constriction section in the flow direction.