Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device
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United States of America Patent
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Nov 13, 2007
Grant Date -
Dec 19, 2002
app pub date -
Aug 13, 2002
filing date -
Jan 23, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A catheter and method for heating or cooling a surrounding fluid in a feeding vessel in a vasculature of a patient. The catheter includes a heat transfer element shaped and arranged to create turbulence in a surrounding fluid. A guidewire tube runs substantially parallel to the axis of the catheter to receive a guidewire. The catheter may further have a temperature-monitoring device disposed at the distal tip of the guidewire. Feedback may further be provided to control the temperature of a source of working fluid. A method is also provided for selectively controlling the temperature of a selected volume of blood in a patient.
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