Eval summary: neither operative notes nor x-rays have been returned for review.The component fit and orientation per the surgical technique is unk.In general, pt factors that may affect the performance of the components include: age, bone quality, height/weight, activity level, type of activity (low impact vs.High impact), and relevant medical history.Rehabilitation and adherence thereto is unk.With the info provided, a definitive root cause cannot be determined.Eval: review of the device history records was not possible as the product and/or lot numbers required for retrieval were unavailable.It is not suspected that the product failed to meet specification.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.Should additional substantive info be received, the complaint will be reopened.Zimmer, inc.Considers the investigation closed.
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