UNKNOWN DEPUY PATELLA

Additional Manufacturer Narrative

THIS COMPLAINT IS STILL UNDER INVESTIGATION. DEPUY WILL NOTIFY THE FDA OF THE RESULTS OF THIS INVESTIGATION ONCE IT HAS BEEN COMPLETED.

Additional Manufacturer Narrative

THE DEVICE ASSOCIATED WITH THIS REPORT WAS NOT RETURNED. REVIEW OF THE DEVICE HISTORY RECORDS AND/OR A LOT SPECIFIC COMPLAINT DATABASE SEARCH WAS NOT POSSIBLE AS THE PRODUCT AND LOT CODE REQUIRED WAS NOT PROVIDED. REQUESTS FOR ADDITIONAL INVESTIGATIONAL INPUTS WERE MADE IN ACCORDANCE WITH (B)(4) APPENDIX A. NO ADDITIONAL INFORMATION WAS OBTAINED. THE INVESTIGATION COULD NOT VERIFY OR IDENTIFY ANY PRODUCT CONTRIBUTION TO THE REPORTED EVENT WITH THE INFORMATION PROVIDED. BASED ON THE INABILITY TO IDENTIFY ROOT CAUSE, THE NEED FOR CORRECTIVE ACTION WAS NOT INDICATED. DEPUY CONSIDERS THE INVESTIGATION CLOSED AT THIS TIME. SHOULD THE ADDITIONAL INFORMATION BE RECEIVED, THE INVESTIGATION WILL BE RE-OPENED.

Description of Event or Problem

PATIENT WAS REVISED TO ADDRESS PAIN, STIFFNESS AND OSTEOLYSIS. MINIMAL LOOSENING AT THE CEMENT/BONE INTERFACE, CEMENT MANUFACTURER IS UNKNOWN. CANNOT ATTRIBUTE THE LOOSENING TO DEPUY PRODUCT.