A bipolar surgical device includes a pair of actuable jaws. A first electrode member which usually includes a line of electrically coupled tissue penetrating elements is formed on one of the jaws, and a second electrode member which usually includes a line of electrically coupled tissue penetrating elements...http://www.google.com/patents/US6030384?utm_source=gb-gplus-sharePatent US6030384 - Bipolar surgical instruments having focused electrical fields
