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Visual inspection confirms that the distal tip of driver has sheared off, along with a portion of the distal shaft.The failure is likely due to input torque exceeding the strength of the tip.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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