Patent ID: 7022105

Claim:
Apparatus comprising; a catheter disposed for insertion into a body at a selected location; an inflatable microporous balloon coupled to said catheter, said inflatable balloon having at least one surface, said balloon having micropores distributed over the entirety of said at least one surface, said balloon being capable of allowing passage of a flowable substance through said at least one surface into an interior region of a body cavity; a plurality of struts encompassing said balloon; at least one electrode embedded in each of said struts, said electrodes being capable of delivering electromagnetic energy, said electrodes positionable relative to a target tissue as a result of movement of said struts toward said target tissue caused by inflation of said balloon; a switch element associated with said electrodes, said electrodes extendable into said tissue through activation of said switch element; and an anchoring element coupled to said catheter, wherein said anchoring element is positioned to anchor said inflatable balloon at said selected location.