Eval summary: no devices or photos were received; therefore the condition of the components is unk.Surgical notes were not provided.X-rays were not provided; it is unk whether the components were implanted with the correct fit and orientation as per the surgical technique.Rehabilitation protocol and adherence thereto is unk.A definitive root cause cannot be determined with the info provided.However, the complaint may be revised upon return of x-rays and/or product or further info.The lot numbers of the devices are unk; therefore the device history records could not be reviewed.It is not suspected that the product failed to meet specifications.The investigation could not verify or identify any evidence of product contribution to the reported problem.Based on the available info, the need for corrective action is not indicated.
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