Delivery of fluid during transurethral prostate treatment
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United States of America Patent
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N/A
Issued Date -
Oct 28, 2004
app pub date -
Apr 25, 2003
filing date -
Apr 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In general, the invention provides a transurethral ablation device comprising a fluid delivery port for delivery of a fluid, such as a gel, liquid, or liquid suspension, to a tissue site targeted for ablation. The fluid is electrically conductive and carries a local anesthetic agent. When the fluid is delivered, it provides an anesthetic effect in the target tissue site, alleviating pain associated with the ablation procedure. In addition, the fluid is loaded with electrically conductive material to enhance conductivity and permit the creation of a virtual electrode. The virtual electrode extends throughout the volume of fluid delivered to the target tissue site, and enhances the volumetric coverage and precision of the ablation procedure with the prostate tissue.
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