The device was unavailable for evaluation as it was discarded by the hospital.It was reported that a revision surgery was needed to replace creo mis screws that migrated post operatively.The original surgery was a plif from l1-l5 using creo mis screws.The information provided states the patient had osteoporosis.It is unknown if that contributed to the complaint.Although x-rays were provided, no additional information can be determined.Due to the inability to replicate operative conditions, no determinations could be made as to the cause of the reported issue.
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