FDA Adverse Event Malfunction Summary report: N

CD HORIZON SPINAL SYSTEM

MDR report key: 3965037 · Received July 29, 2014

Report

Report Number
1030489-2014-03338
Event Type
Malfunction
Date Received
July 29, 2014
Date of Event
April 28, 2014
Report Date
July 1, 2014
Manufacturer
WARSAW ORTHOPEDICS
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): 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 SAMPLE M8 MAS HEAD FOUND ALL SET SCREWS UNABLE TO BE ENGAGED. THE ABOVE OBSERVATIONS ARE CONSISTENT WITH MISALIGNMENT OF THE MAS AND SET SCREW THREADS DURING CONSTRUCT ASSEMBLY.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PATIENT UNDERWENT A POSTERIOR SPINAL SURGICAL PROCEDURE. IT WAS REPORTED THAT THE SET SCREWS SLIPPED DURING INSERTION INTO THE BONE SCREWS. THE SCREWS WERE REMOVED AND REPLACED. NO PATIENT COMPLICATIONS WERE REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
440835 CD HORIZON SPINAL SYSTEM APPLIANCE, FIXATION, SPINAL INTERLAMINAL KWP WARSAW ORTHOPEDICS NA 0273849W

Patients

Seq Age Sex Outcome Treatment
1 00060 YR BONE SCREW