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Visual inspection confirms that the distal hexalobe of the driver has completely sheared off.This is likely a result of excessive/eccentric loading on the tip of the driver, likely seen from inserting or removing a screw.A review of device history records showed no manufacturing or processing related irregularities.Labeling review: warnings/cautions/precautions: risks identified with the use of these devices, which may require additional surgery, include device component failure, loss of fixation/stabilization, non-union, vertebral fracture, neurological injury, vascular or visceral injury.Possible adverse effects: initial or delayed loosening, disassembly, bending, dislocation, and/or breakage of device components.
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