发明名称 RESPIRATOR MASK
摘要 A respirator mask seal and shell are provided according to one embodiment of the invention. The respirator mask seal and shell includes a mask shell havi ng a face opening, a slot for air passage, and at least one attachment portion spaced around the face opening. They also include a movable interface having a hose connector and a contoured opening adapted to fit against the mask shell . The contoured opening is slidable over the slot and is capable of being positioned on the mask shell. The mask seal has a flexible sidewall having distal and proximal ends and includes a rounded outer seal portion located o n the distal end of the sidewall, a rounded inner seal portion located between the distal and proximal ends, and a support ring embedded in the sidewall. T he inner seal portion is thicker than the outer seal portion and is non- continuous. The support ring includes at least one attachment portion adapte d to engage the at least one attachment portion of the mask shell. The mask se al is capable of being removably affixed to the mask shell. The movable interfa ce is capable of being positionally adjusted on the mask shell and the mask sea l is capable of being inwardly deformed by contact with a face region of the user.
申请公布号 CA2418148(C) 申请公布日期 2009.10.20
申请号 CA20012418148 申请日期 2001.08.03
申请人 MALLINCKRODT INC. 发明人 SULLIVAN, MICHAEL;WEINTRAUB, JEFF C.;PATRON, ANTHONY;KRONICH, CHRISTINE G.;LAI, JOHN W.;HANSEN, GARY L.;BONNETTE, BRADLEY J.;WILKINS, DAN P.;JUE, CLIFFORD T.;BORDEWICK, STEVEN S.
分类号 A61M16/06 主分类号 A61M16/06
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