Cooled ablation catheter devices and methods of use
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United States of America Patent
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May 5, 2015
Grant Date -
Apr 9, 2009
app pub date -
Oct 8, 2008
filing date -
Oct 9, 2007
priority date (Note) -
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Abstract
Discloses herein are ablative catheters and methods of use. The catheters can include a cooling chamber for circulating cooling fluid within the catheter tip to reduce hot spots within the catheter tip and/or to reduce the formation of coagulum. A proximal cooling chamber can be positioned proximally to a thermal mass for cooling a proximal portion of the catheter. In addition, or alternatively, a distal cooling chamber can be positioned for cooling a distal portion of the catheter tip. The cooling fluid can flow the ablative catheter in an open, closed, or open and closed loop.
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