Patent ID: 7311702
Filing Date: 2007-12-25
Classification: A61B

Abstract:
1. A catheter based delivery system comprising: a catheter having a distal end; an emitter electrode disposed in said distal end and configured to emit RF energy, wherein a position of said emitter electrode is substantially fixed with respect to said distal end of said catheter; at least one director electrode disposed in said distal end, wherein a position of said at least one director electrode is substantially fixed with respect to said distal end of said catheter; and at least one reflector electrode disposed in said distal end, wherein a position of said at least one reflector electrode is substantially fixed with respect to said distal end of said catheter; said at least one director electrode and said at least one reflector electrode configured to control said RF energy and generate a desired emitted RF energy pattern proximate said distal end of said catheter.