US 12,318,544 B2
Elbow assembly
Lachlan Richard Goldspink, Sydney (AU); Robert Anthony Paterson, Hornsby Heights (AU); Shiva Kumar Shanmuga Sundara, Sydney (AU); Skye Kimberley Short, Sydney (AU); and Hargopal Verma, Sydney (AU)
Assigned to ResMed Pty Ltd, Bella Vista (AU)
Filed by ResMed Pty Ltd, Bella Vista (AU)
Filed on May 17, 2023, as Appl. No. 18/198,476.
Application 18/198,476 is a continuation of application No. 16/878,846, filed on May 20, 2020, granted, now 11,672,936.
Application 16/878,846 is a continuation of application No. 15/759,893, granted, now 10,675,430, issued on Jun. 9, 2020, previously published as PCT/AU2016/050892, filed on Sep. 23, 2016.
Claims priority of provisional application 62/222,435, filed on Sep. 23, 2015.
Claims priority of provisional application 62/376,718, filed on Aug. 18, 2016.
Prior Publication US 2023/0285708 A1, Sep. 14, 2023
Int. Cl. A61M 16/08 (2006.01); A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/20 (2006.01); F16L 27/04 (2006.01)
CPC A61M 16/0816 (2013.01) [A61M 16/0057 (2013.01); A61M 16/06 (2013.01); A61M 16/0616 (2014.02); A61M 16/0683 (2013.01); A61M 16/0825 (2014.02); A61M 16/20 (2013.01); A61M 16/0069 (2014.02); A61M 2202/0225 (2013.01); A61M 2205/42 (2013.01); F16L 27/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An elbow assembly for a patient interface, the elbow assembly comprising:
a member configured to connect to the patient interface,
wherein the member includes a plurality of vent holes for gas washout;
a diffuser material positioned adjacent an outlet end of each of the plurality of vent holes; and
a diffuser cover provided to the member and configured to retain the diffuser material,
wherein the diffuser cover is configured to redirect exhaust gas passing through the diffuser material radially outwardly,
wherein the member includes an inner wall, an outer wall, and a base wall between the inner and outer walls, and wherein the plurality of vent holes are provided along the base wall.