Five patients with breakage of instrumentation when using the cannulat
ed 3.5 tm screw system for fracture fixation are reported, Four 1.25 m
t guide wires were sheared off by the cannulated drill and one 3.5 mt
cannulated tap sleeve fractured. This article presents potential dange
rs when using the cannulated 3.5 mt screw system for general fracture
care.