Patent ID: 9050104
Filing Date: 2015-06-09
Classification: A61B

Abstract:
1. A bipolar radiofrequency ablation catheter comprising a magnetic catheter and a working catheter wherein the magnetic catheter comprises a first tube, at least two magnets, at least two first electrodes and a first electrode connector; and the working catheter comprises a second tube, at least two metallic elements, at least two second electrodes and a second electrode connector; wherein the magnets in the first tube are arranged in a row at regular intervals along the full length of a longitudinal direction of the first tube and the metallic elements in the second tube are arranged in a row at regular intervals along the full length of a longitudinal direction of the second tube; wherein the number, size, and spacing interval of the magnets is the same as those of the corresponding metallic elements; and wherein the magnets are connected by a thin and flexible string or thread and the metallic elements are connected by a thin and flexible string or thread.