The complaint device was received and forwarded to npd engineer for evaluation.Visual observation of the complaint device reveals no anomalies to the outer shaft.When the inner shaft was examined, signs of friction between the two shafts were seen.The friction marks indicates excessive friction, which could lead to metal shavings as reported, confirming the complaint.A batch record review has been conducted to determine if there were any internal processing issues which would have contributed to the nature of the product complaint.Our results indicate that this batch of product was processed without incident and therefore there is no internally assignable cause for the reported problem.Further, a review into the depuy synthes mitek complaints system revealed no other complaints of any kind for this lot of (b)(4) devices that were released to distribution.A white paper was performed previously on this failure; the result indicated that the amount of shedding for this product is acceptable.At this point in time, no corrective action is required and no further action is warranted.However, depuy synthes mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.
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