US 12,390,611 B2
Patient interface systems
Adam Francis Barlow, Sydney (AU); Rupert Christian Scheiner, Sydney (AU); Justin John Formica, Sydney (AU); Aaron Samuel Davidson, Sydney (AU); and Kai Stuebiger, Sydney (AU)
Assigned to ResMed Pty Ltd, Bella Vista (AU)
Filed by ResMed Pty Ltd, Bella Vista (AU)
Filed on May 26, 2021, as Appl. No. 17/330,490.
Application 17/330,490 is a continuation of application No. 16/032,722, filed on Jul. 11, 2018, granted, now 11,045,619.
Application 16/032,722 is a continuation of application No. 14/645,457, filed on Mar. 12, 2015, granted, now 10,052,448, issued on Aug. 21, 2018.
Application 14/645,457 is a continuation of application No. 13/876,624, granted, now 9,010,330, issued on Apr. 21, 2015, previously published as PCT/AU2011/001258, filed on Sep. 30, 2011.
Claims priority of provisional application 61/528,524, filed on Aug. 29, 2011.
Claims priority of provisional application 61/457,981, filed on Jul. 27, 2011.
Claims priority of provisional application 61/443,623, filed on Feb. 16, 2011.
Claims priority of provisional application 61/388,357, filed on Sep. 30, 2010.
Prior Publication US 2021/0275768 A1, Sep. 9, 2021
Int. Cl. A61M 16/06 (2006.01); A61M 16/00 (2006.01); A61M 16/08 (2006.01); A61M 16/20 (2006.01)
CPC A61M 16/0666 (2013.01) [A61M 16/0057 (2013.01); A61M 16/06 (2013.01); A61M 16/0611 (2014.02); A61M 16/0616 (2014.02); A61M 16/0622 (2014.02); A61M 16/0683 (2013.01); A61M 16/0694 (2014.02); A61M 16/0816 (2013.01); A61M 16/0825 (2014.02); A61M 16/0875 (2013.01); A61M 16/20 (2013.01); A61M 16/208 (2013.01); A61M 2202/0225 (2013.01); A61M 2205/0216 (2013.01); A61M 2210/0618 (2013.01); A61M 2210/0625 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A patient interface structure for delivery of respiratory therapy to a patient, the patient interface structure comprising:
a cushion assembly comprising a mouth seal configured to seal around the patient's mouth, a nasal seal configured to seal against at least an underside of the patient's nose, and a pair of nares support portions supporting respective lateral sides of the nasal seal;
a frame attachment structure that is attached to the cushion assembly and adds rigidity to the cushion assembly, the cushion assembly and the frame attachment structure combining to form at least part of a chamber; and
a frame with a plurality of headgear attachment and a posterior side configured to snap onto the frame attachment structure, the frame comprising:
a first opening on lower side of the frame that is oriented to receive an air delivery tube from a substantially downward direction and direct air in a substantially upward direction;
a second opening on a posterior side of the frame that is oriented to face a second direction to direct air in the second direction; and
an air inlet passage connecting the first opening to the second opening and comprising a first end at the first opening and a second end at the second opening and is configured to sealingly attach to an opening in the chamber,
wherein the air inlet passage is configured to change the direction of air flowing through the air inlet passage from the substantially upward direction at the first end to the second direction at the second end.