FDA Adverse Event Injury Summary report: N

ATN LAG SCREW 105MM STERILE

MDR report key: 1040125 · Received May 7, 2008

Report

Report Number
1818910-2008-01506
Event Type
Injury
Date Received
May 7, 2008
Date of Event
April 3, 2008
Report Date
April 7, 2008
Manufacturer
DEPUY ACE S.A. 'R.L.
Product Code
HSB
PMA / PMN Number
K042325
Removal / Correction Number
NA
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

EXAMINATION WAS NOT POSSIBLE, AS THE PRODUCTS WERE NOT RETURNED. A SEARCH OF THE COMPLAINT DATABASE FOUND NO PRIOR REPORTS FOR BOTH REPORTED PART AND LOT NUMBER COMBINATIONS. REVIEW OF THE DEVICE HISTORY RECORDS BY LELOCLE FOUND NO DISCREPANCIES. ALTHOUGH THE COMPLAINT IS NON-VERIFIABLE, INITIAL IMPLANT PLACEMENT AND BONE QUALITY ARE CONTRIBUTING FACTORS. ALSO, THE SURGICAL TECHNIQUE FOR THE ATN SYSTEM RECOMMENDS TAPPING OF THE FEMORAL HEAD BEFORE INSERTION OF THE LAG SCREW. THE ATN LAG SCREW IS NOT SELF-TAPPING. IF THE FEMORAL HEAD IS NOT TAPPED BEFORE LAG SCREW INSERTION, THE LAG SCREW FORCES THE BONE IN THE FEMORAL HEAD TO BE PUSHED AWAY FROM THE LAG SCREW THREAD. THE THREADS WILL NOT PURCHASE INTO THE BONE AND THERE IS NOT ADEQUATE SUPPORT TO HOLD THE LAG SCREW IN THE FEMORAL HEAD. IF THE LAG SCREW IS INADEQUATELY FIXED INTO THE FEMORAL HEAD, LAG SCREW BACKOUT CAN OCCUR. BASED ON THE INVESTIGATION, THE NEED FOR CORRECTIVE ACTION IS NOT INDICATED. DEPUY CONSIDERS THE INVESTIGATION CLOSED. SHOULD THE PRODUCT AND/OR ANY ADDITIONAL INFORMATION BE RECEIVED TO CHANGE THE OUTCOME OF THE PERFORMED INVESTIGATION, THE COMPLAINT WILL BE RE-OPENED.

Description of Event or Problem · 1

INITIAL SURGERY WAS DONE WITH TROCHANTERIC NAIL SYSTEM FOR FEMORAL NECK FRACTURE. IT WAS FOUND THAT THE LAG SCREW WAS BACKED OUT AFTER THE SURGERY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ATN LAG SCREW 105MM STERILE 87HSB HSB DEPUY ACE S.A. 'R.L. NA DFHB9R

Patients

Seq Age Sex Outcome Treatment
1 75 YR Required Intervention