Ergonomic and adjustable respiratory mask assembly with cushion
AssigneeResMed Limited
InventorsRachael E. Moore, Andrew M. Price, Philip R. Kwok, Anthony M. Ging, Saad Nasr
Life of this patent
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Abstract
A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface adapted in use to face the patient. A cushion having a side wall is removably attachable to the frame. The cushion has a rim extending away from the side wall, and a membrane provided to substantially surround the rim. An inner edge of the membrane defines an aperture, the aperture having a generally trapezoidal shape.
Claims20
A respiratory mask assembly for delivering breathable gas to a patient, comprising:
- a frame having a front surface and a rear surface adapted in use to face the patient;
- and
- a cushion having a side wall removably attachable to the frame, the cushion having a rim extending away from the side wall, and a membrane provided to substantially surround the rim,
- wherein an inner edge of the membrane defines an aperture, the aperture having a generally trapezoidal shape.
A cushion for a respiratory mask assembly that delivers breathable gas to a patient, the cushion comprising:
- a side wall structured to be removably attached to a frame;
- a rim extending away from the side wall;
- and
- a membrane provided to substantially surround the rim,
- wherein an inner edge of the membrane defines an aperture, the aperture having a generally trapezoidal shape.
A cushion for a respiratory mask assembly that delivers breathable gas to a patient, the cushion comprising:
- a side wall structured to be attached to a frame;
- and
- a membrane extending away from the side wall,
- wherein the membrane is structured to engage a patient's face such that forces applied to the patient's face are substantially evenly distributed around the entire perimeter of the cushion.
Dependencies are inferred from the claim text.