Respirator mask

Details Respirator mask Respirator mask

2007-07-17

2007-07-17

Yu, Justine R. (Department: 3771)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S206280

Reexamination Certificate

active

10922922

ABSTRACT:
A respirator mask includes an inflatable cuff, a gas-guiding member, and an inflating valve. The inflatable cuff has an inner wall surface confining an air chamber, and a gas inlet unit having a hollow protrusion projecting into the air chamber from the inner wall surface. The hollow protrusion has an innermost end wall spaced apart from the inner wall surface and a through hole formed in the innermost end wall. The hollow protrusion is formed as one-piece with the inner wall surface. The gas-guiding member has an annular connecting edge portion which is connected to the inflatable cuff and which has a hollow seat aligned with the hollow protrusion. The hollow seat has a through hole communicated with the through hole of the hollow protrusion. The inflating valve is mounted in the hollow seat.

REFERENCES:
patent: 6651661 (2003-11-01), Matioc
patent: 6860268 (2005-03-01), Bohn et al.
patent: 2005/0005931 (2005-01-01), Doane et al.

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