Traction device for hepatobiliary surgery

The invention discloses a traction device for hepatobiliary surgery, and relates to the field of medical instruments, the traction device comprises two arc-shaped diffusion plates, the two ends of one diffusion plate are provided with clamping grooves, the two sides of the two ends of the other diffusion plate are shrunk inwards, the two ends of one diffusion plate movably penetrate through the clamping grooves, and the two ends of the other diffusion plate movably penetrate through the clamping grooves. And limiting clamping plates are fixedly mounted on the two sides of the two diffusion plates. According to the traction device for the hepatobiliary surgery, the limiting clamping plate, the clamping groove and the diffusion plate are arranged, the limiting clamping plate and the diffusion plate are of an integrated structure and are both made of stainless steel, the traction device is produced in a pouring mode, meanwhile, the clamping groove and the inwards-concave side of the diffusion plate can also be g