FDA Adverse Event Malfunction Summary report: N

CD HORIZON SPINAL SYSTEM

MDR report key: 4890428 · Received July 6, 2015

Report

Report Number
1030489-2015-01354
Event Type
Malfunction
Date Received
July 6, 2015
Date of Event
June 11, 2015
Report Date
September 29, 2015
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
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

PRODUCT ANALYSIS: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 M8 MAS HEAD FOUND ALL SET SCREWS UNABLE TO BE FULLY ENGAGED. THE ABOVE OBSERVATIONS ARE CONSISTENT WITH MISALIGNMENT OF THE MAS AND SET SCREW THREADS DURING CONSTRUCT ASSEMBLY.

Additional Manufacturer Narrative · 1

(B)(4): NEITHER THE DEVICE NOR FILMS OF APPLICABLE IMAGING STUDIES WERE RETURNED TO THE MANUFACTURER FOR EVALUATION. THEREFORE, WE ARE UNABLE TO DETERMINE THE DEFINITIVE CAUSE OF THE REPORTED EVENT.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PATIENT UNDERWENT CONGENITAL SPINAL DEFORMITY CORRECTION SURGERY. DURING THE SURGERY, THERE WERE THREE SCREWS FOUND SLIPPED AND COULD NOT BE USED ANYMORE. THE SURGEON HAD TO CHANGE TO ANOTHER TO COMPLETE THE SURGERY. THE PATIENT¿S CURRENT STATUS IS NORMAL.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
434398 CD HORIZON SPINAL SYSTEM APPLIANCE, FIXATION, SPINAL INTERLAMINAL KWP MDT SOFAMOR DANEK PUERTO RICO MFG NA H5153570

Patients

Seq Age Sex Outcome Treatment
1 00059 YR