Variable current density single needle electroporation system and method
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United States of America Patent
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Jan 13, 2011
app pub date -
Jul 14, 2010
filing date -
Jan 17, 2008
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Abstract
This invention comprises an improved electroporation electrode system comprising a single needle and a ring or donut shaped electrode wherein the difference in surface area of the electrodes provide for a substantial reduction of current density near the surface of the treated tissue and a more concentrated current density sufficient for electroporation only in tissues adjacent to the terminal portion of the single needle electrode. Thus, this invention provides for targeting specific tissue for electroporation and also should provide for lessening the sensation of electric current in the treated tissue.
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