Method and device for sensing and mapping temperature profile of a hollow body organ
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United States of America Patent
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Jan 9, 2007
Issued Date -
N/A
app pub date -
May 30, 2003
filing date -
Jul 12, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and device for sensing the temperature profile of a hollow body organ includes a catheter and a hollow guidewire carrying a thermal sensor. The guidewire is configured to displace the thermal sensor radially relative to the catheter when unconstrained and can be rotated about the longitudinal axis of the catheter. 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 The catheter can be withdrawn, leaving the guidewire in place in an expanded configuration wherein the thermal sensor contacts the inner wall of the hollow body organ.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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