The invention provides a medical
catheter which comprises a
catheter body and a head located at the far end of the
catheter body and connected with the catheter body, and the head comprises a net-shaped flexible
tube structure and a plurality of electrodes arranged on the net-shaped flexible
tube structure. The net-shaped flexible
pipe structure comprises an annular flexible
pipe and a plurality of linear flexible pipes, at least two ends of each linear flexible
pipe are connected to the annular flexible pipe, and the linear flexible pipes do not intersect with one another. The head is of a net-shaped flexible
tube structure and can deform according to different shapes of organ cavities, electrodes can be well attached to tissues while internal
signal conduction is kept, and therefore an arrhythmia origin point is well positioned, a catheter is guided to a diseased region, and the
digestion and fusion effect is improved. Besides, due to the net-shaped structure of the head part, high-density
electrode arrangement can be adopted on the surface of the head part, so that the mapping and
ablation integrated effect can be achieved, the operation convenience is improved, and the risk in the operation process is reduced.