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

Claim 16:
17. A process for producing a respiratory mask comprising 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, wherein at least the emission device is produced in a casting process with at least two mutually complementary casting tools, each having at least one projection protruding at least partially into a flow channel during casting, and wherein the process results in the respiratory mask of claim 1.