Patent ID: 7458974

Claim:
A surgical device comprising; a housing having a proximal end and a distal end, the housing having a channel to hold a biocompatible mixture of an electrolytic fluid; a ring electrode coupled to the housing; an elongated electrode adapted to be longitudinally slidable within the housing, and having a proximal portion and a distal portion wherein the distal end of the housing is associated with the distal portion of the elongated electrode; and a separate and independent collar slidably assembled around the housing, such that, when the elongated electrode is advanced into an opening of a treatment site within a body of a patient, the collar has a dimension that may be placed against and remain outside of the opening of the treatment site independent of a target depth of the elongated electrode into a patient, wherein the elongated electrode and the ring electrode are adapted to cooperate to electrically induce thrombosis within the treatment site.