Mouse fixator for head-mounted implant and movable limbs

The utility model relates to the technical field of medical instruments. A mouse fixator used for wearing an implant on the head and moving limbs comprises a mouse fixator body, and the mouse fixator body comprises a body limiting pipe and a base which are arranged up and down; a bottom opening is formed in the lower end of the body limiting pipe, four extending openings for four limbs to extend out are formed in the body limiting pipe, and the extending openings are communicated with the bottom opening; four sliding blocks are connected to the base in a sliding mode and used for limiting and fixing the four limbs. A front end opening with an exposed head is formed in the front end of the body limiting tube; the bottom of the body limiting pipe is provided with an insertion opening used for being inserted into the neck limiting insertion plate, and the insertion opening and the extending opening are arranged front and back. The head is exposed through the opening in the front end, and an implant on the head o