Tissue traction device

The tissue traction device comprises a grasping clamp and a traction needle which can be separated from each other and connected with each other, the grasping clamp comprises two clamping plates and an elastic assembly arranged between the two clamping plates, a first through hole is formed in each clamping plate in the clamping direction, and the two ends of each first through hole are communicated. A second concave hole sinking inwards is formed in the end face of the clamping end of the clamping plate, the traction needle comprises a needle tube and a flexible needle body, a bending part is arranged at the front end of the needle tube, a handheld part is arranged at the tail end of the needle tube, the flexible needle body can move in the needle tube, and the flexible needle body pushes the bending part to be bent and then is inserted into the second concave hole. The device can improve the efficiency of the laparoscopic surgery, reduce wounds of patients and reduce the difficulty of the laparoscopic surge