Minimally invasive distal femur medullary canal orientator

The invention provides a minimally invasive distal femur medullary canal orientator. The minimally invasive distal femur medullary canal orientator comprises a main body, a rotating body, an orientating pull plug, a hollow shaft and a hollow end cap, wherein one end of the rotating body is rotatably connected with the main body; the other end of the rotating body is connected with the orientating pull plug; a tooth-shaped angle indicator panel is arranged at an end, which is connected with the orientating pull plug, of the rotating body; a tooth-shaped needle which is matched with the tooth-shaped angle indicator panel is arranged on the orientating pull plug; one end of the hollow shaft successively penetrates through the main body, the rotating body and the orientating pull plug; the end of the hollow shaft is fixed by the hollow end cap; the other end of the hollow shaft is rotatably connected with the main body; and an end, which is connected with the main body, of the rotating body is rotatably connected