FDA Adverse Event Malfunction Summary report: N

CD HORIZON SPINAL SYSTEM

MDR report key: 2881194 · Received December 20, 2012

Report

Report Number
1030489-2012-02903
Event Type
Malfunction
Date Received
December 20, 2012
Date of Event
November 26, 2012
Report Date
November 26, 2012
Manufacturer
MDT SOFAMOR DANEK PUERTO RICO MFG
Product Code
KWP
PMA / PMN Number
K981676
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CH
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

MACROSCOPIC AND OPTICAL EXAMINATION REVEALED THREAD CREST AND FLANK DAMAGE; THIS DAMAGE APPEARS TO HAVE INITIATED AT THE START OF THE THREAD, AND IS CONSISTENT AROUND THE DAMAGED PORTION OF THE THREAD. FUNCTIONAL EVALUATION WITH A SAMPLE MAS FOUND THE SET SCREW UNABLE TO BE ENGAGED IN THE MAS HEAD. THE ABOVE OBSERVATIONS ARE CONSISTENT WITH MISALIGNMENT OF THE MAS AND SET SCREW THREADS DURING CONSTRUCT ASSEMBLY.

Additional Manufacturer Narrative · 1

(B)(6). (B)(4). THE DEVICE HAS BEEN RETURNED TO THE MANUFACTURER FOR EVALUATION. ANALYSIS RESULTS ARE NOT AVAILABLE AT THE TIME OF THIS REPORT. A FOLLOW-UP REPORT WILL BE SENT WHEN THE ANALYSIS IS COMPLETE.

Additional Manufacturer Narrative · 1

IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE SETSCREWS 'SLID' DURING INSERTION INTO THE BONE SCREW. THE SCREWS WERE REMOVED AND REPLACED. 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 MDT SOFAMOR DANEK PUERTO RICO MFG NA H12C0157

Patients

Seq Age Sex Outcome Treatment
1 00051 YR BONE SCREW