FDA Adverse Event Injury Summary report: N

PERI-LOC

MDR report key: 1790197 · Received August 10, 2010

Report

Report Number
1020279-2010-00223
Event Type
Injury
Date Received
August 10, 2010
Date of Event
May 8, 2010
Report Date
August 10, 2010
Manufacturer
SMITH & NEPHEW, INC.
Product Code
HRS
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

FROM THE ANALYSES CONDUCTED DURING THIS INVESTIGATION, IT WAS CONCLUDED THAT THE 4.5MM LATERAL PROXIMAL TIBIA LOCKING PLATE FRACTURED BY METAL FATIGUE CRACKING. THE FATIGUE CRACKING EVENTUALLY PROPAGATED TO AN EXTENT THAT THE REMAINING CROSS-SECTIONAL AREA OF THE PLATE COULD NOT BEAR THE IMPOSED PATIENT LOADING, LEADING TO OVERLOAD FRACTURE. FATIGUE CRACKING IS CAUSED BY THE PLATE BEARING CYCLIC (I.E. REPEATED) STRESSES IN EXCESS OF THE MATERIAL ENDURANCE LIMIT FOR AN EXTENDED PERIOD OF TIME. THESE EXCESSIVE CYCLIC STRESSES MAY BE CAUSED BY ANY NUMBER OF CONDITIONS, INCLUDING BUT NOT LIMITED TO EXCESSIVE PATIENT ACTIVITY LEVELS PRIOR TO FULL BONE UNION. NO MATERIALS OR MANUFACTURING DEVIATIONS WERE FOUND IN THIS INVESTIGATION.

Description of Event or Problem · 1

PT WAS REVISED TO ADDRESS TIBIAL LOOSENING.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE PLATE FRACTURED REQUIRING A REVISION SURGERY TO CORRECT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 PERI-LOC PLATE HRS SMITH & NEPHEW, INC. 09GM03463

Patients

Seq Age Sex Outcome Treatment
1 70 YR Hospitalization| R