Method and apparatus for ratiometric measurement of hematocrit
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United States of America Patent
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Feb 9, 1999
Grant Date -
N/A
app pub date -
May 17, 1996
filing date -
May 17, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for measuring resistance of a blood sample in order to determine the hematocrit of that blood sample. The present invention makes a direct ratiometric measurement. That is, the alternating current that flows through the sample is directly measured by applying that alternating current to an integrator which converts the current to a D.C. voltage which is directly proportional to the applied current.
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