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Catalog Number 851235026 |
Device Problem
Fracture (1260)
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Patient Problems
Failure of Implant (1924); Foreign Body In Patient (2687)
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Event Date 07/19/2022 |
Event Type
Injury
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Manufacturer Narrative
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(b)(4).Concomitant medical products: item#: 851218000, lot# 312410.Report source: foreign - event occurred in japan.Product has been received by zimmer biomet and the investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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Event Description
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It was reported that during the surgery, the screw had fractured off below the head after implantation.Subsequently, the screw shaft remained in the patient's body but no consequences were reported.Attempts have been made and no further information has been provided.
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Manufacturer Narrative
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This follow-up report is being submitted to relay additional information.Visual examination of the returned product identified the device has fractured and not all the pieces were returned.The returned device was reviewed with scanning electron microscopy and showed sheared ductile overload dimples moving in opposite directions (rotating around the fracture surface), with the middle of the fracture surface showing tensile ductile overload dimples.These fracture surface artifacts suggest the torsional overload mode of failure.Medical records were not provided.Review of the device history record(s) identified no deviations or anomalies during manufacturing.A definitive root cause cannot be determined.If any further information which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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Event Description
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No further event information available at the time of this report.
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Search Alerts/Recalls
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