Foley catheter having redundant temperature sensors and method
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United States of America Patent
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Aug 5, 2003
Grant Date -
Jun 27, 2002
app pub date -
Mar 21, 2001
filing date -
Dec 15, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A Foley catheter has redundant temperature sensors to enable use of the Foley catheter with a patient heating system, such as one relying on a vascular heat exchange catheter. The temperature sensors electronically couple with a control unit, which obtains a primary temperature reading from one of the temperature sensors and obtains a secondary temperature reading from the other temperature. The control unit compares the primary and secondary temperature reading to determine a sensor temperature difference. When the sensor temperature difference exceeds a predetermined value, then the control unit activates an alarm, shuts down the patient heating system, or both.
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