In total elbow replacement surgery, the damaged parts of the humerus and ulna are replaced with artificial artificial elbow components. The artificial elbow joint is made out of a metal and plastic hinge consisting of two metal stems. The procedure is indicated in several conditions like Rheumatoid Arthritis of the elbow joint, Osteoarthritis, Post-traumatic Arthritis, Severe Fractures of elbow joint, and Instability of elbow joint.