Patent ID: 7556627

Claim:
A medical device for performing a therapeutic procedure on a patient comprising: a body that is removably attachable to a working end of an endoscope, the body having a recess therein; an ablating electrode positioned on the body and communicative with an ablating energy source for delivering ablating energy to the electrode when performing the therapeutic procedure on the patient; an injection needle positioned in said recess and communicative with a fluid source for delivering fluid to the needle when performing the therapeutic procedure on the patient; wherein the ablating electrode is a recess electrode positioned in said recess; further comprising a blade slidably disposed within said body and movable between a stored position in which the blade is withdrawn from said recess and a deployed position in which the blade extends into the recess to cut tissue away from the patient; and further comprising at least one surface ablating electrode located on an outer surface of the body outside the recess and communicative with said ablating energy source for delivering ablating energy to the at least one surface ablating electrode when performing the therapeutic procedure.