An event regarding disassociation involving a mdm liner and a titanium shell was reported.The event was confirmed from the x-ray provided.Method & results: -device evaluation and results: the device was not returned, however an image was provided.Biological debris was noted on the device.A functional and dimensional inspection could not be performed as the device was not returned.-medical records received and evaluation: a review of the provided information by a clinical consultant could confirm the event from the x-ray provided.However, operative reports and examination of explanted components are needed to evaluate the event further.-device history review: all devices in the reported lot were manufactured and accepted into final stock with no reported discrepancies.-complaint history review: there have been no other events for the reported lot.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Further information such as return of device, operative reports, x-rays, patient history & follow-up notes are needed to investigate this event further.If additional information or device becomes available, this investigation will be reopened.
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