Kum 2025-ah hian fracture tan external fixation device tha ber i duh a, bi-frame external fixation device hian zirchiannaah hna a thawk tha hle. Stability tha zawk a pe a, ruh a dam theih nan a pui bawk. He device hian traction force chak tak a hmang thei a ni. Fracture siam that nan a pui a, a stable reng bawk. Damna a tha chho zel a, risk a awm bawk