No device or photos were received; therefore the condition of the component is unknown.Device history records cannot be reviewed since the part and lot number is unknown.This device is used for treatment.Surgical notes were not provided; it is unknown whether the components were implanted with the correct fit and orientation as per the surgical technique.Product history search cannot be completed since the part and lot number is unknown.Patient¿s activity level and adherence to rehabilitation protocol is unknown.A definite root cause cannot be determined with the information provided.
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