Femoral nail mouth opener with three-dimensional positioning function

The invention relates to a femoral nail mouth opener with a three-dimensional positioning function, which comprises an identification rod, a handle, a puncture rod, a puncture head and a guide needle;one end of the identification rod is connected with the handle, and the end part of the other end of the identification rod is provided with a positioning needle which is perpendicular to the rod; one end of the puncture rod is detachably connected with the handle, and the other end of the puncture rod obliquely extends towards one side of the other end of the identification rod, and the end partof the other end of the identification rod is connected with an arc-shaped guide needle tube; one side of the guide needle tub, departing from the identification rod, is provided with a guide needlegroove, and one end of the guide needle tube, away from the puncture rod, is provided with an opening, the puncture head is a conical head, the axis of the puncture head is parallel to the identification rod, and the conical bo