FDA Adverse Event Malfunction Summary report: N

CD HORIZON SPINAL SYSTEM

MDR report key: 2120598 · Received June 10, 2011

Report

Report Number
1030489-2011-00720
Event Type
Malfunction
Date Received
June 10, 2011
Date of Event
May 13, 2011
Report Date
May 13, 2011
Manufacturer
MEDTRONIC SOFAMOR DANEK PUERTO RICO OPERATIONS
Product Code
KWP
PMA / PMN Number
K102555
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NC, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4). THE SCREW WAS RETURNED FOR EVALUATION. MACROSCOPIC AND OPTICAL EXAMINATION OF THE SET SCREW THREADS IDENTIFIED THREAD CREST AND FLANK DAMAGE. THE DAMAGE APPEARS TO HAVE INITIATED AT THE START OF THE THREAD, AND IS CONSISTENT AROUND THE THREAD; THE TYPE, LOCATION AND NATURE OF DAMAGE IS CONSISTENT WITH SET SCREW MISUSE DUE TO MISALIGNMENT OF THE MAS HEAD AND SET SCREW THREADS. A REVIEW OF THE DEVICE HISTORY RECORDS DID NOT IDENTIFY ANY APPLICABLE NONCONFORMANCE TO SPECIFICATION.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PATIENT UNDERWENT A SPINAL SURGICAL PROCEDURE. IT WAS REPORTED THAT THE SET SCREW CROSS THREADED DURING INSERTION AND METAL SHAVINGS CAME OFF OF THE SCREW. THE SCREW WAS REMOVED AND A NEW SCREW WAS IMPLANTED. NO PATIENT COMPLICATIONS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 CD HORIZON SPINAL SYSTEM APPLIANCE, FIXATION, SPINAL INTERLAMINAL KWP MEDTRONIC SOFAMOR DANEK PUERTO RICO OPERATIONS NA H10M3272

Patients

Seq Age Sex Outcome Treatment
1 BONE SCREW