Gas sampling device
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United States of America Patent
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-
Sep 9, 1980
Grant Date -
N/A
app pub date -
May 24, 1979
filing date -
May 24, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas sampling device has a gas-entry passage dimensioned to provide laminar flow to the gas and opening into a larger gas-receiving passage. A gas sampling tube is supported from the larger gas-receiving passage, extends only to the smaller gas-entry passage for sampling the entering gas, and is coaxially spaced from the walls of the gas-entry passage to sample the gas in the gas-entry passage without dilution from the gas-receiving passage or interference with the gas flow. The device is particularly useful for sampling small exhaled breath gas flow in combination with neonatal respiratory apparatus for sampling the breath of neonates.
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