Intramedullary Nail System hi metallic implant hmanga siam a ni a, chung zingah chuan interlocking intramedullary nails, interlocking fusion nails, leh nail caps te pawh a tel. Intramedullary nail-ah hian locking screw pawm turin proximally leh distally-ah holes a awm a. Intramedullary Interlocking Nails hi surgical approach, nail type leh indications atanga thlirin screw dahna tur chi hrang hrang pek a ni. Interlocking Fusion Joint arthrodesis atana tarlan Nail-te hian fused tur joint sir lehlamah lock theihna tur screw hole an nei a. Locking screw te hian fusion site-a shorten leh rotation awm theihna a ti tlem a ni.