The utility model belongs to the technical field of electric power system and specifically relates to a pole prosthetic devices that can be applicable to the short time internal fixation because the cracked pole of the external force bottom and the operation that returns to normal, including arc steel sheet, PMKD, its characterized in that arc steel sheet both sides are equipped with the lug, are equipped with the connecting hole on the lug, and arc steel sheet inboard is equipped with fixed block group, is equipped with the rebar positioning board on the fixed block group, the even through -hole that is equipped with on the rebar positioning board, the arc steel sheet is placed on the lower extreme is equipped with the PMKD of positioning base, and the positioning base comprises the fixed steel sheet of two arcs, is equipped with the screw rod on the fixed steel sheet of arc and locks the hole, and both ends are equipped with the threaded fixed orifices, PMKD is the annular, comprises first semi -ring shaped plate and second semi -ring shaped plate, and first semi -ring shaped plate and second semi -ring shaped plate are fixed with the fixed steel sheet bottom surface vertical welding of two arcs of positioning base respectively, have advantages such as simple to operate, easy operation, labour saving and time saving, operating efficiency height.