Importance

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Abstract

A replaceable accessory cord and handswitch set adapted for use with an electrosurgical instrument that has a proximal end handle for holding by the surgeon and distal end effectors for delivery of electrosurgery to a patient. A replaceable accessory cord is adapted to electrically couple an electrosurgical generator to the instrument with two or more conductors. A handswitch with normally open contacts is near the proximal end. One of the contacts attaches to an active conductor and another of the conductors connected to the other contact. A receptacle on the handswitch connects electrically to the contact. An insulated support on the handswitch engages the instrument preventing relative movement. A button on the support is accessible to the surgeon, but remote from the receptacle land the terminal. The button is electrically isolated from the contacts, the receptacle, the terminal and the conductors. The button moves on the support for closing the contacts and is positioned for control by the surgeon's finger. The handswitch controls delivery of a coagulating wave form and a cutting wave form.

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First Claim