Nasal mask

Details Nasal mask Nasal mask

2003-06-23

2009-11-24

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S206240, C128S206280, C128S207110, C128S207130

Reexamination Certificate

active

07621274

ABSTRACT:
A nasal mask of the type for delivering gas for example to ease or assist the breathing process includes a shell and a cushion connected with the shell. The shell has a side wall and a retaining ring disposed inside the side wall. The side wall and the retaining ring define a gap extending around the shell. The cushion has a side wall with an outer peripheral edge portion including a tongue extending around the cushion. The tongue of the cushion is received in the gap in the shell to secure the cushion to the shell. Various straps assemblies and forehead adjusters for nasal masks are also shown.

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