ENERGY DELIVERY DEVICE AND METHODS OF USE

摘要

The present disclosure is directed to an expandable energy delivery assembly adapted to deliver electrical energy to tissue. The assembly includes an elongate device and an expandable portion. The expandable portion includes an inflatable element, a single helical electrode disposed on the inflatable element, and at least one irrigation aperture within the inflatable element. The inflatable element is secured to the elongate device and the single helical electrode makes between about.5 and about 1.5 revolutions around the inflatable element. The at least one irrigation aperture is adapted to allow fluid to flow from within the inflatable element to outside the inflatable element.