Shape-adjustable pulse ablation catheter with liquid perfusion function

• Main Authors: CHEN SHUGUO, ZHENG KAI, DAI SHIMO, ZHU YUNGANG, ZHANG KUI
• Format: Patent
• Language: Chinese; English
• Published: 31.01.2023
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The invention discloses a shape-adjustable pulse ablation catheter with a liquid perfusion function, and relates to the field of interventional therapy, the shape-adjustable pulse ablation catheter comprises an annular flexible adjustable ring, a catheter body and a control device, the annular flexible adjustable ring comprises a flexible multi-cavity tube, ring electrodes and a pushing tube, the ring electrodes are distributed on the surface of the flexible multi-cavity tube, and the pushing tube is arranged on the surface of the flexible multi-cavity tube. The control device comprises a sliding straightening button, a pouring connector and a bending adjusting control unit, and the sliding straightening button is used for controlling changes of the shape and the size of the annular flexible adjustable ring. The device has the functions of annular pulse electric field ablation and electrocardiosignal mapping, avoids the risk of replacement of surgical instruments, shortens the operation time, has the temperat