(b)(4).The device will not be returned for analysis, due to location of device is unknown; however, an investigation of the reported event is in progress.Once the investigation has been completed, a follow-up mdr will be submitted.
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It was reported the patient underwent primary right tha.Subsequently, patient was revised approximately 2 years later due to pain, failure to osseointegrate, subsidence, elevated metal ions, loosening, and memory loss.The liner, head and stem were removed and replaced.Attempts have been made and additional information on the reported event is unavailable at this time.
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