Targeted cooling of tissue within a body
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United States of America Patent
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Feb 3, 2009
Grant Date -
Jun 29, 2006
app pub date -
Feb 17, 2006
filing date -
Nov 18, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Devices and methods to cool a target tissue region inside the body are described. Fluid cooled below normal body temperature and blood at a normal body temperature are provided to the tissue region in proportions to cool the tissue region. A system for controlling the temperature of the target tissue region is disclosed. The system includes a catheter and a control system that controls the amount of cool fluid and blood provided to the tissue region. A catheter for providing cool fluid to the tissue region is also provided. The catheter includes a temperature sensor that extends to a location distal to the distal end of the catheter to sense the temperature of the tissue region.
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