(b)(4).The device was not returned for evaluation examination of the reported device was not possible as it was not returned.Visual and dimensional evaluations could not be performed.A review of device history records identified no related manufacturing deviations or anomalies that would have contributed to the reported event; the device is considered to have met its specifications at the time it was sent to distribution.The investigation can draw no conclusions with the information made available.Based on the inability to determine root cause, the need for corrective, preventative, or field action(s) have not been indicated as a result of this investigation.Zimmer biomet considers the investigation closed at this time.If any further information is found which would change or alter any conclusions or information, a follow-up report will be filed accordingly.Not returned to manufacturer.
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