Respiratory mask assembly
AssigneeResMed Limited
InventorGregory Scott Smart
Life of this patent
Estimating the term…
Abstract
A respiratory mask assembly for delivering breathable gas to a patient includes a mask frame having a first cooperating interlocking structure; a mask cushion provided to the frame; a cushion clip to retain the mask cushion on the mask frame, the cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking to secure the cushion clip on the mask frame; and an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit. The first and second cooperating interlocking structures include a tab-recess arrangement in which a plurality of tabs are engageable within respective recesses.
Claims25
A patient interface for delivering breathable gas to a patient, comprising:
- a frame having a first cooperating interlocking structure;
- a cushion provided to the frame and adapted to form a seal on the patient's face;
- a cushion clip to retain the cushion on the frame, the cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the frame, the first and second cooperating interlocking structures interlocking with one another in a cooperating relationship to secure the cushion clip on the frame;
- an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit;
- and
- wherein the first and second cooperating interlocking structures are provided to at least a bottom and left and right sides of the frame and cushion clip, and wherein a tab-recess arrangement of the frame and cushion clip includes a plurality of tabs engageable within respective recesses to secure the clip to the frame.
A respiratory mask assembly for delivering breathable gas to a patient, comprising:
- a mask frame having a first cooperating interlocking structure;
- a cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking with one another in a cooperating relationship to secure the cushion clip on the mask frame;
- and
- a mask cushion adapted to form a seal on the patient's face and having an outer peripheral portion positioned between the mask frame and the cushion clip so as to seal the mask cushion on the mask frame.
A respiratory mask assembly for delivering breathable gas to a patient, comprising:
- a mask frame;
- a mask cushion adapted to form a seal with the patient's face;
- and
- a clip member engaged with the mask cushion and structured to interlock with the mask frame,
- wherein the mask frame and the clip member include a tab-recess arrangement in which a plurality of securing tabs on the clip member engage with a corresponding one of a plurality of recesses on the mask frame so as to retain the mask cushion on the mask frame, the tab-recess arrangement provided to at least a bottom and left and right sides of the mask frame and clip member.
Dependencies are inferred from the claim text.