Patent ID: 11931512
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A patient interface comprising:
a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH2O above ambient air pressure, said plenum chamber including a plenum chamber inlet port sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient;
a first seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's mouth such that the flow of air at said therapeutic pressure is delivered to the mouth, the first seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use;
a second seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's nose such that the flow of air at said therapeutic pressure is delivered to the nose, the second seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use;
the plenum chamber comprising silicone and having an anterior wall formed of the silicone, the plenum chamber inlet port being an opening formed in the silicone of the anterior wall, the opening being adapted to directly receive a fluid connector; and
a vent structure to allow a continuous flow of gases exhaled by the patient from an interior of the plenum chamber to vent to ambient, said vent structure being sized and shaped to maintain the therapeutic pressure in the plenum chamber in use;
the patent interface further comprising:
a pair of support portions disposed within the plenum chamber and provided on opposite sides of the interface, the pair of support portions contact and extend from the second seal forming structure and to the anterior wall of the plenum chamber, wherein the pair of support portions are configured to oppose compression in an anterior-posterior direction.