Angiographic catheter

The angiographic catheter comprises a catheter body, one end of the catheter body is fixedly connected with a front-end hose part, one end, far away from the catheter body, of the front-end hose part is fixedly connected with a front-end soft terminal, the other end of the catheter body is fixedly provided with a connecting joint, the connecting joint comprises a torsion seat arranged on an outer ring, a rotating shaft is arranged in the torsion seat, and the rotating shaft is connected with the front-end soft terminal. The rotating shaft is connected with the pipe body, a torsion control spring is arranged between the torsion seat and the rotating shaft, and a pointer used for displaying torsion force indexes is arranged on the rotating shaft. Whether the deformation degree of the pipe body is within a safety value or not can be visually observed, and meanwhile the pipe body can be protected through pressure relief of the overflow hole. 本实用新型的一种造影导管，包括管体，所述管体一端固定连接有前端软管部，所述前端软管部远离管体的一端固定连接有前端软端子，所述管体另一端固定有连接