US 11,918,741 B2
Plenum chamber insert for patient interface
Tumul Gupta, Sydney (AU); Michael Christopher Hogg, Sydney (AU); Luke Andrew Stanislas, Sydney (AU); Lang Eng Siang Teh, Sydney (AU); Hans Christer Henric Engstrom, Sydney (AU); Lorenz Eberl, Sydney (AU); Adrian Apalakis, Sydney (AU); and Balint Franko, Sydney (AU)
Assigned to ResMed Pty Ltd, Bella Vista (AU)
Filed by ResMed Pty Ltd, Bella Vista (AU)
Filed on Sep. 7, 2022, as Appl. No. 17/930,100.
Application 17/930,100 is a continuation of application No. 17/421,177, granted, now 11,497,874, previously published as PCT/IB2020/052459, filed on Mar. 18, 2020.
Claims priority of provisional application 62/969,747, filed on Feb. 4, 2020.
Claims priority of provisional application 62/820,098, filed on Mar. 18, 2019.
Prior Publication US 2023/0055964 A1, Feb. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01); A62B 9/00 (2006.01); G16H 20/40 (2018.01); G16H 40/60 (2018.01)
CPC A61M 16/0622 (2014.02) [A61M 16/0683 (2013.01); A61M 16/0875 (2013.01); A61M 16/1045 (2013.01); G16H 20/40 (2018.01); G16H 40/60 (2018.01); A61M 2205/42 (2013.01); A61M 2210/0618 (2013.01); A62B 9/003 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A plenum chamber insert for a patient interface for providing a flow of air at a therapeutic pressure to a patient for breathing, the plenum chamber insert comprising:
a frame comprising:
a plenum chamber insert port;
an exterior surface configured to be positioned inside of a plenum chamber of the patient interface to face an interior surface of the plenum chamber in use; and
a first channel recessed into the frame and below the exterior surface, the first channel extending radially inward from an outer periphery of the frame and towards the plenum chamber insert port to form a flow path that bypasses the plenum chamber insert port.