Patent ID: 6408203
Filing Date: 2002-06-18
Classification: A61B

Abstract:
A method for contemporaneously treating a sequence of treatment sites in an internal organ and creating a viewable map of the treated sites, comprising:(a) advancing a first catheter, having a proximal end and a distal end and a needle attached to the distal end to permit injection of fluid through a guiding catheter, through a body passage and inserting the needle into tissue needing treatment; (b) injecting contrast substance through the first catheter and needle into a treatment site of the tissue; (c) controlling treatment of tissue at the treatment site by passing a treatment medium through the first catheter to the tissue at the treatment site; (d) detecting the extent of migration of contrast substance around the treatment site after injection; and (e) repeating steps (b) through (d) for a plurality of different treatment sites, wherein the detecting indicates where treatment has been performed.