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Fixation with cannulated screw

Screw selection

Determine the length of the screw with the appropriate depth measuring device.

The chosen 3.5 mm partially threaded cannulated screw must lie with its threads completely beyond the fracture to achieve interfragmentary compression, but should not penetrate the anterior cortex. If the bone is osteoporotic and there is a risk that the head of the screw will sink into the bone, use a washer.