Patent ID: 8287531
Filing Date: 2012-10-16
Classification: A61B

Abstract:
1. An injection catheter comprising: an elongated catheter body having at least one lumen extending longitudinally therethrough; a needle control handle at a proximal end of the catheter body; a needle electrode assembly extending through the catheter body and needle control handle and having a proximal end attached to the needle control handle and a distal end within a distal end of the catheter body; a mapping assembly, having proximal and distal ends, mounted at the distal end of the catheter body and comprising at least two flexible spines, each spine having a proximal end attached at the distal end of the catheter body and a free distal end, wherein each spine carries at least one electrode; and at least one location sensor; wherein the distal end of the needle electrode assembly is extendable past the proximal end of the mapping assembly upon manipulation of the needle control handle.