Methods and apparatus for performing in vivo blood thermodilution procedures
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United States of America Patent
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Nov 22, 1988
Grant Date -
N/A
app pub date -
Jul 21, 1987
filing date -
Jul 21, 1987
priority date (Note) -
Expired
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Abstract
A thermodilution catheter has electrodes in electrical contact with the blood flowing adjacent to the catheter. A potential difference applied to the electrodes causes electrical current to flow in the volume of blood in the region of the electrodes, thereby creating a bolus of blood at elevated temperature suitable for measurement of blood flow by the thermodilution principle.
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