Patent ID: 11890418
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 23:
24. A mask system for delivering pressurized breathable gas to a patient, the mask system comprising:
a first cushion component configured to sealingly engage with the patient's face in use, the first cushion component having an aperture to communicate pressurised gas to the patient's airways in use,
wherein the first cushion component includes a first cushion retainer part; and
a frame which is configured to couple interchangeably with the first cushion component and a second cushion component that is different structurally than the first cushion component at least in one respect,
wherein the frame includes a frame retainer part configured to engage the first cushion retainer part of the first cushion component and a second cushion retainer part of the second cushion component when each of the first cushion component and the second cushion component is alternatively coupled with the frame,
wherein the frame is configured to be engaged with each of the first cushion component and the second cushion component by engaging the frame retainer part with the first cushion retainer part of the first cushion component and the second cushion retainer part of the second cushion component substantially along an anterior-posterior axis, and
wherein the frame is configured to be engaged with each of the first cushion component and the second cushion component to substantially resist adjustable movement between the frame and each of the first cushion component and the second cushion component at least along the anterior-posterior axis.