Respiratory mask assembly

摘要

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.

主权项

1. 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.