摘要 |
FIELD: medical engineering. ^ SUBSTANCE: device has screws, longitudinal rods and two transverse rods connected to each other. Hole for receiving the longitudinal rod is produced in screw head. The hole has slotted thread. The longitudinal rod has t. The form has slotted thread on edges. Both transverse rods have slotted thread and are connected to the longitudinal rods by means of stirrups having nut members. The stirrups have two holes each, one of them is threaded. The screws are fixed with longitudinal rods by means of tightening screws. ^ EFFECT: improved stability characteristics. ^ 3 cl, 1 dwg |