Intracerebral microsyringe

The utility model relates to the technical field of life science experiment research devices, in particular to an intracerebral microsyringe which comprises a piston, an injection needle cylinder and needle tubes, the needle tubes comprise an outer needle tube and an inner needle tube, the inner needle tube is a hollow tube with one closed end, the open end of the inner needle tube is fixedly connected with the injection needle cylinder, and the outer needle tube is a hollow tube with one closed end. A side opening B is formed in the side close to the closed end; the outer needle tube is a hollow tube with two open ends, the inner needle tube is sleeved with the outer needle tube, the outer needle tube is movably connected with the inner needle tube, and a side opening A is formed in the side face, away from the injection needle cylinder end, of the outer needle tube. The intracerebral microsyringe is mainly used for molding injection of animal brain pathology models, can reduce unforeseen circumstances cause