Key result
A proposed segmented circular dispersive electrode with concentric annular zones and series resistors theoretically achieves a more uniform current density, potentially reducing perimetrical burns.
Population
Idealized mathematical model of a circular electrosurgical dispersive electrode on a semi-infinite slab of…
Comparison
Segmented circular electrode with annular… vs Standard continuous circular disk electrode
Design
Other
Authors
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Theoretical modeling implicates electrode geometry in perimetrical burns; leaves open whether segmented resistor designs enhance clinical safety.
Theoretical modeling suggests that segmenting electrosurgical dispersive electrodes and using current-leveling resistors can prevent perimetrical burns by ensuring uniform current distribution.
Wiley et al. (1982) studied Electrosurgical burns. Segmented circular dispersive electrode vs. Continuous circular disk electrode was evaluated on Current density distribution. A proposed segmented circular dispersive electrode with concentric annular zones and series resistors theoretically achieves a more uniform current density, potentially reducing perimetrical burns.
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