Patent ID: 9033967
Filing Date: 2015-05-19
Classification: A61B

Abstract:
1. A medical device for inducing controlled necrosis at a target site within the body, comprising: an elongated member having a proximal portion, a distal portion, and a lumen therein providing a fluid path, wherein the lumen is a lumen of an inner shaft disposed in an outer shaft, and the inner shaft includes at least one aperture configured to eject fluid from said inner shaft onto an interior surface of the elongated member; and an ablation tip array comprising a plurality of ablation tips in communication with said fluid path near the distal portion of said elongated member configured to contact and ablate tissue, wherein proximal ends of the ablation tips are distal of a distal end of the inner shaft, wherein the ablation tip array is retractable within the distal portion of the elongated member.