A bipolar electrosurgical instrument for clamping, grasping, manipulating, and sealing tissue includes first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof. The handle being operable to effect movement of the jaw members...http://www.google.se/patents/US7513898?utm_source=gb-gplus-sharePatent US7513898 - Vessel sealing instrument