Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent
1992-12-07
1994-10-04
Brown, David H.
Surgery
Respiratory method or device
Including body or head supported means covering user's scalp
12820123, 12820529, A62B 710, A62B 1700
Patent
active
H00013609
ABSTRACT:
A protective mask with a hood having a face piece, a head piece, and a bib ormed from an elastic impervious material. A foam rubber seal, mounted on the inside surface of the hood, is located on the periphery of the face piece. An pair of eye pieces are mounted on the face piece for permitting exterior vision from inside the hood. A plurality of filter cells with flexible charcoal filters are mounted on the bib. Air ducts extend from an air reservoir fed by the cells to the face piece to permit filtered air to be drawn into the face piece. A flapper valve is mounted on the face piece to permit air to be exhausted from the mask.
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Grove Corey M.
Scavnicky John A.
Tardiff, Jr. Albert N.
Brown David H.
Goldberg Edward
Lane Anthony T.
Sachs Michael
The United States of America as represented by the Secretary of
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