FDA Adverse Event Malfunction Summary report: N

TRILOGY ACETABULAR SYSTEM CUP POSITIONER

MDR report key: 2042228 · Received February 15, 2011

Report

Report Number
1822565-2011-00638
Event Type
Malfunction
Date Received
February 15, 2011
Date of Event
January 3, 2011
Report Date
February 15, 2011
Manufacturer
ZIMMER, INC.
Product Code
LXH
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
GM
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

EVALUATION SUMMARY: AS RETURNED, THE LEADING THREADS ON THE INSTRUMENT WERE FOUND TO BE DAMAGED. THE STRIKE SURFACE ON THE INSTRUMENT EXHIBITS A NUMBER OF IMPACTIONS INDICATING THE DEVICE HAS BEEN USED EFFECTIVELY A NUMBER OF TIMES OVER THE POTENTIAL FIELD AGE OF APPROX 3 YEARS. IN GENERAL, THE LEADING THREADS BECOME DAMAGED FROM OFF-AXIS IMPACTIONS SUSTAINED BY THE INSTRUMENT. OFF-AXIS OR NON-AXIAL IMPACTIONS CAN RESULT IN UNINTENDED LOADING CONDITION FOR THE THREADS. THE INCREASED STRESSES MAY EXCEED THE MATERIAL STRENGTH OF THE TREADS AND BECOME DAMAGED AS EXHIBITED IN THE RETURNED DEVICES. WITH THE INFO PROVIDED, EXACT CAUSE OF THE REPORTED ISSUE CANNOT BE DETERMINED WITH CERTAINTY. DEVICE HISTORY RECORDS INDICATE ALL COMPONENTS WERE MFG AND INSPECTED TO SPECIFICATION. NO MFG ABNORMALITIES COULD BE DETECTED.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE THREADS OF CUP POSITIONER WERE DEFECTIVE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 TRILOGY ACETABULAR SYSTEM CUP POSITIONER LXH ZIMMER, INC. 60933785

Patients

Seq Age Sex Outcome Treatment
1