An image communication apparatus transmits image data of a plurality of pictures to a receiver side, and transmits the high-resolution information of a picture requested by the receiver side, among the plurality of pictures, in a mode of transmission different from the mode of transmission for the moving image data. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve. biomolecules, drugs, toxins and the like.