HANDLE AND CABLE ASSEMBLIES FOR ELECTROSURGICAL DEVICES AND CYST ABLATION TECHNIQUES
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Apr 28, 2016
filing date -
Apr 29, 2015
priority date (Note) -
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Abstract
An electrosurgical medical device may include an elongate needle that is delivered to a gastrointestinal tract of a patient and inserted through the gastrointestinal wall and into a cyst. Fluid within the cyst may be aspirated through a lumen of the needle. The cyst may then be filled with conductive fluid by delivering the conductive fluid through the needle lumen. Radio frequency energy may then be delivered to the needle and transferred to the cyst to ablate the cyst. A handle assembly of the electrosurgical medical device may communicate the cyst and conductive fluids to and from the needle lumen, as well as communicate radio frequency energy to the needle and a temperature signal generated by a thermocouple. An electrical cable assembly adapted to communicate both the radio frequency energy and the temperature signal may be removably connectable with the handle assembly.
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