Implant device

The utility model belongs to the technical field of medical treatment, and particularly relates to an implantation device. The utility model discloses an implantation device which comprises a triggering state and a non-triggering state, the implantation device comprises a shell and a driving mechanism, the driving mechanism and the shell are movably arranged, and the driving mechanism comprises a cam; the cam is provided with a first step face, a first driving face, a second driving face, a second step face, a third driving face, a fourth driving face and a third step face which are sequentially connected, the cam is configured to rotate in the third direction in the triggering state, and the first driving face and the third driving face gradually extend in the direction away from a rotating shaft of the cam in the third direction. The second driving surface and the fourth driving surface gradually extend in the direction close to the rotating shaft of the cam in the third direction, the distance from the fir