Electrosurgical ablator with aspiration
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United States of America Patent
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-
Jan 11, 2005
Grant Date -
May 1, 2003
app pub date -
Oct 16, 2002
filing date -
Oct 18, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aspirating ablator of simple construction and low cost is disclosed. The aspirating ablator is provided with a mandrel connected to a tubular member which houses a suction assembly. An electrode having a rectangular ablation surface formed of multiple parallel ribs or protuberances is assembled onto the mandrel so that the ablation surface is parallel with the longitudinal axis of the mandrel. A ceramic insulator provided with an opening of rectangular shape is assembled to the electrode-mandrel assembly. The insulator is further provided with a cylindrical passage in communication and aligned with a radial passage of the mandrel.
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