Patent ID: 6520960
Filing Date: 2003-02-18
Classification: A61B

Abstract:
A bipolar medical instrument for cutting tissue comprising:a shaft having a distal end and a proximal end; a first working element disposed at said distal end of said shaft, said first working element being configured as an electrode connectable to high frequency current; at least one second working element disposed at said distal end of said shaft and adjacent to said first working element, said at least one second working element forming a counter electrode with respect to said first working element; wherein at least one of said first working element and said second working element comprises at least one projection, which is directed toward the other of said first and second working elements, and a free end of said at least one projection is configured such that a concentration of the current density occurs at said free end; and wherein said first working element and said second working element are each formed as jaws and are arranged side by side at a spacing from one another, such that said first working element and said second working element each comprise two jaw parts which are moveable with respect to one another, between which tissue can be grasped and coagulated.