It was reported that a surgeon has been having post-operative issues with screws partially backing out of a patients zero-p implant.It was further reported the screws are about one turn loose.All hardware remains implanted, no explant or revision is planned at this time.This report is for the zero-p device, quantity, part number and lot number unknown this is report 1 of 2 for (b)(4).
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Device was used for treatment, not diagnosis.This report is for the zero-p device, quantity, part number and lot number unknown.Without a lot number the device history records review could not be completed.The investigation could not be completed; no conclusion could be drawn, as no product was received.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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