Locked joint (stay with 1 placement) if the free bit of bone will get caught between the elbow structure The precise induce for entrapment may not be identified. Fluid buildup and swelling In the elbow; prior elbow fracture or dislocation; or leaning within the elbow for extensive periods of time https://www.theorthopaedicandpainpractice.com/the-latest-advances-in-elbow-nerve-pain-treatment/