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Proximal humeral fractures are among the most common fractures, accounting for 4%–5% of all fractures. The mechanism of injury usually occurs when the elbow strikes the ground or the arm is braced during a fall, especially in elderly patients, or when the shoulder joint directly sustains external force.
Additional "screw-in-screw" technique can be used through the head of lateral screws to enhance stability, particularly effective for patients with osteoporosis.
Three lateral screws in the greater tuberosity ensure basic structural stability; additional anterior screws can enhance construct stability.
The ascending screw supports the medial calcar region. Two distal interlocking screws in different planes reduce implant toggling.
Daher Orthopedic Implants