Multi-pole synchronous pulmonary artery radiofrequency ablation catheter

A multi-pole synchronous pulmonary artery radiofrequency ablation catheter, comprising:

• a control handle including an adjustment apparatus;
• a catheter body being hollow and comprising a cavity arranged in the catheter body;
• and
• an annular ring;
• wherein a lead wire, a temperature sensing wire and a pull wire are arranged in the cavity;
• wherein one end of the catheter body is flexible, and the flexible end is connected to the annular ring, and wherein the other end of the catheter body is connected to the control handle;
• wherein one end of the pull wire is connected to the flexible end, and the other end of the pull wire is connected to the adjustment apparatus on the control handle, the adjustment apparatus adjusts the tension of the pull wire to change a curvature of the flexible end;
• a shape memory wire arranged in the annular ring, and one end of the shape memory wire extends to the end of the annular ring and the other end of the shape memory wire passes through the root of the annular ring and is fixed on the flexible end of the catheter body;
• wherein the annular ring is provided with an electrode group comprising a plurality of electrodes, and each electrode of the electrode group is connected to the lead wire and temperature sensing wire;
• wherein the lead wire and the temperature sensing wire go through the catheter body and are electrically connected to the control handle.