FDA Adverse Event Malfunction Summary report: N

CD HORIZON SPINAL SYSTEM

MDR report key: 3072876 · Received April 23, 2013

Report

Report Number
1030489-2013-01232
Event Type
Malfunction
Date Received
April 23, 2013
Date of Event
March 21, 2013
Report Date
March 25, 2013
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
OTHER

Narratives

Additional Manufacturer Narrative · 1

(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

ADDITIONAL INFO: 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 IMPLANT UNABLE TO BE FULLY ENGAGED INTO THE MAS HEAD. THE ABOVE OBSERVATIONS ARE CONSISTENT WITH MISALIGNMENT OF THE MAS AND SET SCREW THREADS DURING CONSTRUCT ASSEMBLY.

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 SCREW SLIPPED. THE SCREW WAS EXCHANGED FOR A NEW SCREW. NO PATIENT COMPLICATIONS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
173876 CD HORIZON SPINAL SYSTEM APPLIANCE, FIXATION, SPINAL INTERLAMINAL KWP MDT SOFAMOR DANEK PUERTO RICO MFG NA H12B2775

Patients

Seq Age Sex Outcome Treatment
1 00065 YR