A RF catheter system includes a catheter with a proximal portion, a distal portion having a distal end and a lumen extending from the proximal portion to the distal portion. Inner and outer coaxially aligned conductors extend within the catheter and are coaxial with the lumen. A deflectable catheter...http://www.google.de/patents/US8152799?utm_source=gb-gplus-sharePatent US8152799 - Radio frequency-based catheter system with improved deflection and steering mechanisms
