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Fig. 2 | Journal of Experimental Orthopaedics

Fig. 2

From: Fixation of olecranon osteotomy only with 6′5 mm partially trheaded cancellous screw is a safe an effective method used in surgical management of distal humerus fractures

Fig. 2

63 year old man who presented a conminuted supraintercondylear fracture of the humerus. Osteosynthesis of the fracture with two plates and a 6.5 mm thick and 110 mm long screw with washer for the olecranon osteotomy. a AP X-ray with the mesured ulna diaphysis diameter (6′25 mm) at 90 mm to the tip of the olecranon. b AP X-ray after 3 months where the consolidation of the osteotomy can be appreciated, the screw is long enough to achieve a good grip in the cortex of the ulnar diaphysis to get enough compression and stability. The medial deviation at the union of the medial and proximal 1/3 third (9–11 cm from the tip of the olecranon) can be observed in this X ray. This fact of the anatomy of the ulna contributes to the screw clamping. c Lateral X-ray after 3 months where the consolidation of the osteotomy can be appreciated, the screw is long enough to achieve a good grip in the cortex of the ulnar diaphysis to get enough compression and stability. The anterior deviation at the union of the medial and proximal 1/3 third (9–11 cm from the tip of the olecranon) can be observed in this X-ray. This fact of the anatomy of the ulna contributes to the screw clamping

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