Fig 36A-13. A, a 6-year-old patient, after humeral angulation osteotomy of a long left transhumeral stump, has been fitted with a trans-humeral prosthesis with an "open splint construction" by using an outside locking elbow unit with closure straps, one anterior across the upper portion of the humerus and a second posterior across the angulation osteotomy. B, this fitting provides for full mobilization of the shoulder rather than restrictive fitting of a conventional shoulder cap prosthesis for a transhumeral amputee. C, this close-up shows a frame construction with a dual-control cable.