Isolation valve
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United States of America Patent
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-
Apr 9, 1991
Issued Date -
N/A
app pub date -
Mar 7, 1989
filing date -
Oct 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An isolation valve for use in administering mouth-to-mouth emergency artificial respiration includes a housing having a fixed inlet pipe and a rotatable outlet pipe, a bacteria filter permanently secured in the housing member around the periphery of the filter whereby all of the gas passing through the device must pass through the filter, and a one-way valve seated in the housing and cooperating with valve seats for opening and closing exhaust ports.
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