Abstract: A steerable catheter comprised of an elongated catheter body containing one or more lumen; a catheter tip fixedly secured to the distal end of the catheter body and a steerable catheter handle attached to the proximal end of the catheter body wherein said steerable catheter handle is comprised of a mounting shaft containing a geared slide, a slide block, a slide block adjustment screw, and an adjustment screw guide; an adjustment knob comprised of a geared inset and an external rotation element for rotating the adjustment knob, a handle grip which fits over the mounting shaft and electrical connectors for attachment to the proximal end of the mounting shaft and which contain electrode electrical wires.