Initial reporter- medical equipment company technician/ representative.Neither the device nor films of applicable imaging studies were returned to the manufacturer for evaluation.Therefore, we are unable to determine the definitive cause of the reported event.If information is provided in the future, a supplemental report will be issued.
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It was reported that on an unknown date, post-op, the screws broke and the patient developed a disc herniation.The screws placement and sizing was allegedly incorrect (screw diameter of 4.5 was chosen for lumbar vertebrae).Patient underwent a revision surgery as a result of the event.
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