FDA Adverse Event Injury Summary report: N

6.0MM TI CANN MATRIX POLYAXIALSCREW 45MM THREAD

MDR report key: 2211417 · Received August 9, 2011

Report

Report Number
2530088-2011-00507
Event Type
Injury
Date Received
August 9, 2011
Date of Event
July 7, 2011
Report Date
July 11, 2011
Manufacturer
SYNTHES BRANDYWINE
Product Code
NKB
PMA / PMN Number
K100952
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
CO, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

INVESTIGATION COULD NOT BE COMPLETED, NO CONCLUSION COULD BE DRAWN AS NO DEVICE WAS RETURNED AND NO LOT NUMBER WAS PROVIDED.

Description of Event or Problem · 1

PT IMPLANTED WITH RODS, PANGEA SCREWS AND LOCKING CAPS FOR AN L4-L5 ON (B)(6) 2011. DURING A FOLLOW UP VISIT, IT WAS NOTED ON X-RAY THAT THE RIGHT L4 LOCKING CAP WAS LOOSE. DURING REVISION SURGERY ON (B)(6) 2011, IT WAS DISCOVERED THAT THE REASON THE LOCKING CAP WAS LOOSE WAS BECAUSE THE COLLET WAS TURNED INSIDE THE HEAD OF THE POLYAXIAL SCREW. THIS DID NOT ALLOW THE ROD TO SEAT ALL THE WAY AND THE LOCKING CAP COULD NOT BE FINAL TIGHTENED. THIS OCCURRED DURING THE ORIGINAL PROCEDURE BUT WAS NOT DISCOVERED UNTIL REVISION SURGERY. SURGEON REMOVED AND REPLACED THE RIGHT L4 AND L5 LOCKING CAP, RIGHT L4 SCREW. THE RIGHT L5 SCREW REMAINED INTACT AND THE ROD WAS RE-IMPLANTED. THE RIGHT L4 SCREW IS AVAILABLE FOR RETURN, THE LOCKING CAPS WILL NOT BE RETURNED. THIS IS THE 1ST OF 2 REPORTS SUBMITTED ON THIS EVENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 6.0MM TI CANN MATRIX POLYAXIALSCREW 45MM THREAD MATRIX POLYAXIAL SCREW NKB SYNTHES BRANDYWINE

Patients

Seq Age Sex Outcome Treatment
1 58 YR Required Intervention LOCKING CAPS| RODS| SCREWS