Bone meal conveyor special for maxillary sinus external lifting operation

The utility model discloses a special bone meal conveyor for maxillary sinus external lifting operation, which comprises a bone meal conveying pipe, a bone meal channel is arranged in the bone meal conveying pipe, a bone meal conveying component is arranged at an outlet of the bone meal channel, and the bone meal conveying component is communicated with the bone meal conveying pipe; the push rod assembly is inserted from the inlet of the bone meal channel to extend towards the bone meal conveying assembly, so that the bone meal is pushed out from the outlet of the bone meal conveying assembly; the middle of the bone meal conveying assembly is bent to form a bent section, and the bone meal conveying assembly is further provided with a connecting end. A miniature endoscope is further arranged at an outlet of the bone meal conveying assembly and connected with an external CCD camera system. According to the bone grafting device, bone meal can be directly and accurately conveyed to a bone grafting target area in