US 11,752,291 B2
Method and apparatus for managing moisture buildup in pressurised breathing systems
Philip Rodney Kwok, Sydney (AU); Lee James Veliss, Rotterdam (NL); and Robert Edward Henry, Sydney (AU)
Assigned to ResMed Pty Ltd., Bella Vista (AU)
Filed by ResMed Pty Ltd, Bella Vista (AU)
Filed on Jul. 1, 2020, as Appl. No. 16/918,432.
Application 16/918,432 is a continuation of application No. 15/629,115, filed on Jun. 21, 2017, abandoned.
Application 15/629,115 is a continuation of application No. 11/988,541, granted, now 9,717,870, issued on Aug. 1, 2017, previously published as PCT/AU2006/001081, filed on Jul. 31, 2006.
Claims priority of provisional application 60/703,456, filed on Jul. 29, 2005.
Prior Publication US 2020/0338292 A1, Oct. 29, 2020
Int. Cl. A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01)
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
OG exemplary drawing
 
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.