Patent ID: 7243652
Filing Date: 2007-07-17
Classification: A61M

Abstract:
1. A respirator mask, comprising: an inflatable cuff including an inner wall surface confining an air chamber, and a gas inlet unit having a hollow protrusion projecting into said air chamber from said inner wall surface, said hollow protrusion having a peripheral wall projecting from said inner wall surface, and innermost end wall connected transversely to said peripheral wall opposite to said inner wall surface so that said innermost end wall is spaced apart from said inner wall surface, and a through hole formed in said innermost end wall, said through hole having a cross-section smaller than that of said hollow protrusion, said hollow protrusion being formed as one-piece with said inner wall surface; a gas-guiding member including an annular connecting edge portion which is connected to said inflatable cuff and which has a hollow seat aligned with said hollow protrusion, said hollow seat having a through hole communicated with through hole of said hollow protrusion; and an inflating valve mounted in said hollow seat.