LOOP STRUCTURES FOR SUPPORTING DIAGNOSTIC AND THERAPEUTIC ELEMENTS IN CONTACT WITH BODY TISSUE AND EXPANDABLE PUSH DEVICES FOR USE WITH SAME

摘要

An apparatus that facilitates the creation of circumferential lesions in body tissue. The apparatus includes a first probe having a loop structure that supports electrodes or other operative elements against the body tissue and a second probe with an expandable push structure that may be used to urge the loop structure against body tissue.