Electrosurgical device for preventing capacitive coupling and the formation of undesirable current paths
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United States of America Patent
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Aug 11, 1998
Grant Date -
N/A
app pub date -
Mar 5, 1996
filing date -
Mar 5, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A monopolar electrosurgical device suitable for cutting and/or coagulation of tissue is described. The device includes a trocar assembly and a probe assembly. The trocar assembly has an insulated portion and a conductive guide portion. The conductive guide portion defines a passage with the probe assembly slidably received therein. The probe assembly includes a conductive probe with a proximal end and a distal end. Surrounding the probe is an insulation layer which extends from the distal end of the probe. Attached to the insulation layer and also surrounding the probe is a conductive shield. The conductive shield is electrically connected to the conductive guide portion of the trocar assembly.
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