Electro-surgical unit pencil apparatus and method therefor
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United States of America Patent
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-
Oct 1, 2002
Issued Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Jul 10, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An electro-surgical unit (ESU) pencil apparatus is disclosed in which an improved handpiece enables the surgeon to vary the length of working electrode without having to use cutting electrodes of varying lengths. This is achieved by installing the electrode in an assembly that may, as desired by the surgeon, be extended from, or retracted into, the body of the ESU pencil apparatus. Means are provided for supplying uninterrupted RF supply to the electrode tip and uninterrupted smoke evacuation for the ESU pencil apparatus as the electrode assembly is expanded or retracted. Additionally, means are provided for locking the electrode assembly at the desired length, so that it does not move during the operation. The ESU pencil apparatus is also adapted for use with an ESU-argon beam coagulator pencil.
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