Abstract: A radio frequency ablation device includes a balloon blocking catheter. The radio frequency ablation device comprises a double or multi-chamber balloon blocking catheter and a radio frequency ablation catheter. An electrode support is arranged at the far end of the radio frequency ablation catheter. Two or more electrodes are arranged on the electrode support, and are connected to a radio frequency generator respectively by means of the corresponding guide wires arranged in the radio frequency ablation catheter. When the radio frequency ablation device is used for ablating lumen peripheral nerves, inflating a closed balloon arranged at the far end of the guide catheter to block local blood flow in a blood vessel.

Abstract: A radiofrequency ablation catheter having a meshed tubular stent structure and an apparatus thereof, include a meshed tubular stent disposed at a front end of the catheter. The meshed tubular stent comprises and including a meshed tube (1). Both ends of the meshed tube are tapered to form a distal end and a proximal end of the meshed tubular stent. The intermediate segment of the meshed tubular stent has a contracted state and an expanded state. One or more electrodes (2) are fixed onto the intermediate segment. The radiofrequency ablation catheter has improved flexibility and provides great coverage for the blood vessels with different thicknesses and curves. When the meshed tubular stent expands in the blood vessels having different thicknesses of 4-12 mm, all of the electrodes (2) contact the walls. Moreover, when the meshed tubular stent expands in the curved blood vessels, all of the electrodes are ensured to contact the walls.