Method and apparatus for measuring gas partial pressure in living body
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United States of America Patent
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Sep 1, 1987
Issued Date -
N/A
app pub date -
Jan 2, 1986
filing date -
Apr 19, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for measuring a gas partial pressure in a living body on the basis of the principle of polarography. A gas partial pressure sensor includes a biomedical electrode inserted in the living body. A temperature sensor is further provided to measure a temperature of the living body. A polarographic current value measured by the gas partial pressure sensor is corrected to a current value at a reference temperature depending on the temperature measured by the temperature sensor. Then the gas partial pressure at the reference temperature is determined based on a working curve which represents a relationship between the corrected polarographic current value and the gas partial pressure at the reference temperature.
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