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Active electrosurgical electrodes controlled by a foot switch that are designed to deliver radiofrequency (RF) electric current to the body tissues. These electrodes deliver the RF energy received through insulated cables from an RF generator located in the electrosurgical unit at the points where the current effect is required. The electrodes are usually a component of a handpiece or surgical instrument (for monopolar and bipolar units respectively) that is manipulated by the surgeon and also include a foot-pedal that works as an electric power switch. Foot-controlled active electrosurgical electrodes may apply monopolar or bipolar current. They are mostly used in procedures intended to cut tissues, stop bleeding, and/or for tissue fusion.
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