Method for sensing and mapping temperature profile of a hollow body organ
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United States of America Patent
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Issued Date -
Jan 16, 2003
app pub date -
Jul 12, 2001
filing date -
Jul 12, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for sensing the temperature profile of a hollow body organ utilizes a catheter and a guidewire carrying a thermal sensor. The guidewire is configured to displace the thermal sensor radially relative to the catheter when unconstrained. When constrained within the catheter, the guidewire can be advanced to a region of interest in hollow body organ. The catheter can be withdrawn, leaving the guidewire in place in an expanded configuration wherein the thermal sensor contacts the inner wall of the hollow body organ. The guidewire is moveable to sense the temperature at multiple locations. The thermal sensor can be replaced with an electrode for sensing the impedance profile of the hollow body organ.
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