Instant ignition electrosurgical probe and method for electrosurgical cutting and ablation
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United States of America Patent
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Sep 28, 2004
Grant Date -
Dec 5, 2002
app pub date -
May 31, 2002
filing date -
Jun 5, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrosurgical electrode capable of achieving instant ignition in a conductive fluid and a method of conducting an electrosurgical procedure with such electrode are disclosed. The electrosurgical electrode comprises a metallic body portion of various geometries, a metallic tip and a dielectric insulator adjacent the metallic body portion. The metallic tip is recessed from the surface of the dielectric so that the dielectric material and the adjacent recessed metallic tip form a high current density zone and pocket for bubble entrapment and instant spark formation.
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