US Patent 9333002 Apparatus for performing an electrosurgical procedure

An endoscopic forceps is provided and includes a housing having a shaft that extends therefrom. An end effector assembly is operatively connected to a distal end of the shaft and includes a pair of pivotably coupled first and second jaw members. The jaw members are movable relative to one another. A drive mechanism includes a driving structure that is operably associated with the shaft and is operably disposed adjacent the end effector assembly. One of a driving structure guide and movable cam operably couples to the driving structure and is configured to facilitate movement of the jaw members.