Method for ablating with needle electrode
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United States of America Patent
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Apr 24, 2007
Issued Date -
N/A
app pub date -
Oct 27, 2003
filing date -
Oct 27, 2003
priority date (Note) -
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Abstract
A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the heart. The distal end of the needle electrode is introduced into the tissue. An electrically-conductive fluid is infused through the needle electrode and into the tissue. The tissue is ablated after and/or during introduction of the fluid into the tissue. The fluid conducts ablation energy within the tissue to create a larger lesion than would be created without the introduction of the fluid.
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