Inserter

The utility model provides an inserter which comprises a handle, a sleeve and an insertion rod. The handle comprises a grab handle and a handle body connecting part connected with the front end of the grab handle, and the grab handle comprises a handle body front part, a middle transition part, a handle body rear part and a rear end supporting table which are connected in sequence; the size of the cross section of the handle body front part is smaller than that of the cross section of the handle body rear part; the middle transition part is an arc-shaped transition part, and the size of the cross section of the middle transition part is sequentially increased from front to back; a handle body winding groove is formed in the rear end supporting table. An external thread is arranged on the handle body connecting part; the rear end of the insertion rod is fixedly connected with the handle; the sleeve comprises a sleeve body and a holding body connected with the rear end of the sleeve body, and the holding body c