FDA Adverse Event Malfunction Summary report: N

XIA 3 TITANIUM TORQUE WRENCH

MDR report key: 3202790 · Received July 2, 2013

Report

Report Number
0009617544-2013-00254
Event Type
Malfunction
Date Received
July 2, 2013
Date of Event
June 7, 2013
Report Date
June 7, 2013
Manufacturer
STRYKER SPINE-FRANCE
Product Code
LXH
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JA
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

ADDITIONAL INFORMATION HAS BEEN REQUESTED AND IF MADE AVAILABLE WILL BE REPORTED IN A SUPPLEMENTAL REPORT. METHOD, RESULT, AND CONCLUSION CODES WILL BE MADE AVAILABLE FOLLOWING AN ENGINEERING EVALUATION.

Additional Manufacturer Narrative · 1

METHOD: VISUAL INSPECTION, FUNCTIONAL INSPECTION, AND DEVICE HISTORY REVIEW. RESULTS: VISUAL INSPECTION: THE RETURNED TORQUE WRENCH WAS EXAMINED UPON RECEIPT AND THE HEX TIP WAS CONFIRMED TO BE BROKEN. UNDER MAGNIFICATION IT COULD BE SEEN THAT THE BREAK OCCURRED AT THE INTERFACE BETWEEN THE HEX TIP AND THE INNER SHAFT OF THE WRENCH. FUNCTIONAL INSPECTION: COULD NOT BE PERFORMED DUE TO BREAKAGE OF HEX TIP. DEVICE HISTORY REVIEW: NO RELEVANT DEVIATIONS IN REGARDS TO THE FAILURE MODE WERE REPORTED UPON REVIEW OF THE MANUFACTURING RECORDS. CONCLUSION: THE REPORTED EVENT OF THE HEX TIP BREAKAGE OF THE XIA 3 TITANIUM TORQUE WRENCH WAS CONFIRMED VIA A VISUAL INSPECTION. A PREVIOUS INVESTIGATION WAS PERFORMED FOR A SIMILAR COMPLAINT IN WHICH THE SAMPLE WAS SENT FOR EXTERNAL TESTING. THIS TESTING CONCLUDED THAT THE BREAKAGE WAS DUE TO SEMI-FRAGILE SUDDEN RUPTURE PROCESS INITIATED BY AN IMPORTANT NOTCH EFFECT. THE BREAKAGE WAS INITIATED PRECISELY AT THE FILET ZONE OF THE SHOULDER BETWEEN THE HEXAGONAL EXTREMITY AND THE 8.5MM DIAMETER ZONE. ALSO, THE RADIUS OF THE FILET WAS VERY LOW, BUT STILL WITHIN THE SPECIFICATION OF THE DRAWING. THE CAUSE OF THE BREAKAGE AT THIS LOCATION IS CURRENTLY BEING INVESTIGATED IN A CAPA.

Description of Event or Problem · 1

DURING THE INSPECTION OF THE RETURNED LONER INSTRUMENTS FROM THE HOSPITAL, IT WAS FOUND THAT THE TIP OF XIA3 TORQUE WRENCH BROKE. THERE IS NO REPORT FROM THE HOSPITAL.

Description of Event or Problem · 1

DURING THE INSPECTION OF THE RETURNED LONER INSTRUMENTS FROM THE HOSPITAL, IT WAS FOUND THAT THE TIP OF XIA3 TORQUE WRENCH BROKE. THERE IS NO REPORT FROM THE HOSPITAL.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
301951 XIA 3 TITANIUM TORQUE WRENCH INSTRUMENT LXH STRYKER SPINE-FRANCE 114664

Patients

Seq Age Sex Outcome Treatment
1