Adjustable double dynamical bone of unilateral both arms extension pressurization locking external fixation ware

Adjustable double dynamical bone of unilateral both arms extension pressurization locking external fixation ware belongs to bone treatment apparatus technical field. The utility model discloses a solve the big section comminuted fracture of low limbs thighbone and control the damaged problem that leads to the fact the limbs cripetura of complicated big section bone that does not heal for a long time. This device including two, three or four set up side by side the main arm screw rod with assist steel nail splint between the arm screw rod and ally oneself with and press from both sides, the steel nail splint ally oneself with the steel nail punch holder that presss from both sides and steel nail lower plate and pass through its position on adjustment screw from top to bottom of nut adjustment, on the connecting plate stomidium with assist the arm screw rod and be connected, the connecting plate passes through the nut of both sides and adjusts its position on assistance arm screw rod, the stomidium is connected with upper and lower adjustment screw under the connecting plate, has offered the spout on the main arm screw rod, flange and spout sliding fit, set up the power nut between two adjacent flanges, the flange passes through its position on the main arm screw rod of power nut adjustment, adopts the fix with screw after the adjustment on the main arm screw rod. The utility model discloses in the treatment of mainly used bone injury.