FDA Adverse Event Malfunction Summary report: N

POLARIS 5.5 SYSTEM IMPLANTS

MDR report key: 3162979 · Received June 11, 2013

Report

Report Number
0002242816-2013-00055
Event Type
Malfunction
Date Received
June 11, 2013
Date of Event
May 8, 2013
Report Date
May 15, 2013
Manufacturer
EBI, LLC.
Product Code
KWP
PMA / PMN Number
PN/A
Removal / Correction Number
N/A
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

PRODUCT ENROUTE BUT WAS RETURNED YET. CURRENT INFORMATION IS INSUFFICIENT TO PERMIT A CONCLUSION AS TO THE CAUSE OF THE EVENT.

Additional Manufacturer Narrative · 1

VISUAL INSPECTION OF THE RETURNED PLUGS CONFIRMED THE REPORTED EVENT. ONE SIDE OF THE PLUG THREADS ARE DAMAGED AND OR SHEARED OFF. THERE IS ALSO DAMAGE ALONG THE PENTALOBE AND ALONG THE POSTERIOR END OF THE PLUG WHERE IT ENGAGES THE ROD. A REVIEW OF THE MANUFACTURING RECORDS INDICATED THAT THERE WERE NO DIMENSIONAL, FUNCTIONAL, OR MATERIAL ANOMALIES REPORTED AT INSPECTION. THE THREAD DAMAGE IS OBSERVED TO BE ALIGNED ON ONE SIDE OF THE PLUGS, INDICATING POSSIBLE CROSS-THREADING. THE PROBABLE UNDERLYING ROOT CAUSE FOR THE REPORTED INCIDENT IS EXCESSIVE FORCES ON CROSS-THREADED PLUGS LEADING TO LOSS OF MECHANICAL INTEGRITY AND ULTIMATELY THREAD BREAKAGE.

Description of Event or Problem · 1

IT WAS REPORTED, DURING OPERATIVE PROCEDURE, THREE PLUGS WERE DAMAGED WHILE THE SURGEON DEROTATED THE RODS AND LOCKING THE PLUGS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
262215 POLARIS 5.5 SYSTEM IMPLANTS DEROTATION PLUG - 5.5 KWP EBI, LLC. N/A UNKNOWN

Patients

Seq Age Sex Outcome Treatment
1