Mask cushion and frame assembly

Details Mask cushion and frame assembly Mask cushion and frame assembly

2006-04-04

2006-04-04

Lewis, Aaron J. (Department: 3743)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S205250

Reexamination Certificate

active

07021311

ABSTRACT:
A respiratory mask assembly includes a rigid mask frame with a rim portion including a rearwardly projecting tongue and lateral flange and a cushion having a rim with a corresponding groove and a rearwardly facing shoulder. A clip in the form of a collar passes over the cushion, engaging behind the shoulder, and has securing tabs that engage recesses in the flange.

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