Cooled helical antenna for microwave ablation
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United States of America Patent
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Aug 16, 2011
Grant Date -
Oct 30, 2008
app pub date -
Apr 25, 2007
filing date -
Apr 25, 2007
priority date (Note) -
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Abstract
A microwave antenna assembly including an elongated cooling jacket having proximal and distal ends and an inner lumen defined therebetween and a helical microwave antenna member disposed within at least a portion of the elongated cooling jacket and having an inner and outer conductor, the inner conductor disposed within the outer conductor, wherein at least a portion of the inner conductor extends distally from the outer conductor and forms at least one loop; and wherein the inner conductor is configured to deliver microwave energy.
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