An electrophysiology/ablation catheter assembly includes an elongated flexible casing that received a first catheter deflection assembly. Electrical leads are connected to each electrode on a distal portion of the catheter assembly and extend through the casing for external connection at a proximal end...http://www.google.de/patents/US7245955?utm_source=gb-gplus-sharePatent US7245955 - Electrophysiology/ablation catheter having deflection assembly