Fig. 1

A Jakob type III and Song stage V fracture treated with CRPP. a-b: pre-operative films of the fracture. c-e: closed reduction of the fracture with a 2.0-mm Kirschner wire as a joystick and manipulation. f-h: percutaneous pinning of the fracture after reduction. i-k: intraoperative arthrogram through a lateral puncture point showed congruence of the articular surface. l-n: post-operative anteroposterior view, lateral view and oblique internal rotational films of the fracture showed nearly anatomic reduction of the fracture. o-q: X-rays showed union of the fracture after pins’ removal, the arrow showed the bone spur formation on the lateral side of distal humerus