COMPRESSION-DISTRACTION APPARATUS Russian patent published in 2000 - IPC

FIELD: medicine. SUBSTANCE: device has threaded rods and hinged joints. One pair of hinged joints is composed of curved plates having slots and is diametrically set on one of the rings so that U-shaped upright attached to a rod is movable and fixable with a screw in the slots. The other pair of hinged joints is made as bushings mounted on the ends of the rods to enable them to be movable and fixable on bars bent corresponding to the ring shape. The bars are mounted between the first pair of hinges on the same ring in diametrical positions The bushings are movable by means of pull rods hinged connected to the ring. The rod ends have no connection to the hinges and are fixed on the other ring. EFFECT: eliminated angular and torsion deformity of extremity segment. 3 dwg