Surgery – Instruments – Electrical application
Patent
1996-03-05
1998-08-11
Peffley, Michael
Surgery
Instruments
Electrical application
606 41, A61B 1739
Patent
active
057921415
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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Tucker et al, "Capacitive Coupled Stray Currents . . . Electrosurgical Procedures", Biomedical Instrumentation and Technology, vol. 26, pp. 303-311, 1992.
MediCor Corporation
Peffley Michael
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