If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.Evaluation statement the complaint device was received and evaluated.Visual observation reveals a number of anomalies.The locking pins on the trocar are sheared off, confirming this complaint.The distal end of the trocar is heavily damaged which is consistent with the trocar hitting the side of the femoral rod.There was scoring on the surface and inside both the sleeves indicating the fit between the sleeves and the guide frame was not tight.It is possible the nut was not tightened all the way on the metal plate of the guide frame or was loosened during the use.One of the sleeves had a bent hub and the trocar would not fit inside the sleeve anymore.It was reported that the patient had hard bone making it difficult to use the devices.From the anomalies observed, we determine the quality of the bone and user technique to be the root cause of this failure.A batch record review has been conducted for this batch 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 was processed without incident and therefore there is no internally assignable cause for the reported problem.Further, a review into the depuy mitek complaints system revealed 4 dissimilar complaints for this lot of devices that were released to distribution.Based on the overall complaint rate for this failure mode, no corrective action is required and no further action is warranted.However, depuy 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.(b)(4).This report is being filed from the remetrex complaint management system as required under mitek's corrective and preventative actions (capa) to file usa fda mdr missed malfunctions.
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