CPC A61M 16/06 (2013.01) [A61M 16/065 (2014.02); A61M 16/0633 (2014.02); A61M 16/085 (2014.02); A61M 16/0825 (2014.02); A61M 16/0858 (2014.02); A61M 16/1045 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/0238 (2013.01); A61M 2205/42 (2013.01); A61M 2205/581 (2013.01); A61M 2205/583 (2013.01); A61M 2205/7527 (2013.01); A61M 2205/7536 (2013.01)] | 21 Claims |
1. A patient interface configured to deliver a pressurized flow of respiratory gas to a patient's airways, the patient interface comprising:
a cushion configured to sealingly engage the patient's face and comprising a vent opening;
a shell that is more rigid than the cushion and supports the cushion, the shell comprising a plurality of headgear connectors; and
a removable gas washout vent module comprising:
a main body configured to be secured to the cushion;
a diffuser; and
an outer cover with a plurality of openings,
wherein the main body at least partially houses the diffuser and the outer cover, and
wherein the diffuser is located on an outlet end of the gas washout vent module.
|