Without a product return, no product evaluation is able to be conducted.The lot number is unknown; therefore the device history records are unable to be reviewed.Current information is insufficient to permit a valid conclusion about the cause of this event.If additional information is obtained that adds value to the relevant content of this report and/or a conclusion can be drawn, a follow-up report will be sent.Reference reports 3012447612-2020-00475 to 3012447612-2020-00484.
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Visual examination of the returned vitality screws identified that one of the screws has fully snapped, with the shaft disconnected from the screw head/tulip.The others appear to be without deformities.Functional investigation with 40 mm rod p142562 and closure top pn:07.02010.001 ln: w449491 showed that all tulip heads could thread and hold closure tops with rods.Visual examination of the returned vitality closure tops identified that the caps have been used before.Functional investigation with tulip head and screw pn: 701m6545 ln:t09925 and 40 mm rod p142562 showed that all four caps were fully functional.The complaint is confirmed.Review of the device history records for the four screws identified no deviations or anomalies during manufacturing.Lot identification is necessary for review of device history records, and lot identification could not be determined for the closure tops or the rods.Devices are used for treatment.The reported products were reviewed for compatibility with no issues noted.Review of complaint history identified additional similar complaints for the pn 07.02000.074 and 07.02000.075 and no additional complaints for the reported part and lot combinations.Complaints are monitored through monthly complaint review in order to identify potential adverse trends.Review of complaint history identified additional similar complaints for the pn 07.02010.001.However, as the lot number is unknown, an additional review could not be performed.Review of complaint history identified no additional similar complaints for the pn 07.02015.005.However, as the lot number is unknown, an additional review could not be performed.Medical records were not provided.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.
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