Radiopaque electrical needle
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United States of America Patent
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N/A
Issued Date -
Sep 9, 2004
app pub date -
Mar 7, 2003
filing date -
Mar 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus are disclosed for improving accuracy of placement of needles during delivery of high frequency signals near a neural structure to form lesions. The apparatus includes a needle that can deliver electrical current where a portion of the needle is electrically insulated and a portion of the needle is exposed and electrically active, thereby causing lesions. The needle includes radiopaque marking to differentiate the electrically insulated region from the exposed region, allowing it to be better discerned in the body under fluoroscopy.
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