a system that interfaces with a workstation endocardial mapping system allows for the rapid and successful ablation of cardiac tissue . the system allows a physician to see a representation of the physical location of a catheter in a representation of an anatomic model of the patient &# 39 ; s heart . the workstation is the primary interface with the physician . a servo catheter having pull wires and pull rings for guidance and a servo catheter control system are interfaced with the workstation . servo catheter control software may run on the workstation . the servo catheter is coupled to an rf generator . the physician locates a site for ablation therapy and confirms the location of the catheter . once the catheter is located at the desired ablation site , the physician activates the rf generator to deliver the therapy .