FDA Adverse Event Malfunction Summary report: N

UNIVERSAL DRIVER SHAFT

MDR report key: 3781306 · Received April 30, 2014

Report

Report Number
0002249697-2014-01592
Event Type
Malfunction
Date Received
April 30, 2014
Date of Event
April 8, 2014
Report Date
April 8, 2014
Manufacturer
STRYKER ORTHOPAEDICS-MAHWAH
Product Code
LXH
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NY, US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

WHEN COMPLETED, THE INVESTIGATION RESULTS WILL BE SUBMITTED IN A SUPPLEMENTAL REPORT.

Additional Manufacturer Narrative · 1

AN EVENT REGARDING A FRACTURED HEXALOBULAR SCREWDRIVER TIP FROM A TRIDENT DRIVER WAS REPORTED. THE EVENT WAS CONFIRMED. METHOD & RESULTS: DEVICE EVALUATION AND RESULTS: THE DEVICE WAS RETURNED IN USED CONDITION. THE TIP OF THE HEXALOBULAR FEATURE IS FRACTURED; DEFORMATION TO THE REMAINING PORTION INDICATES THE FRACTURE OCCURRED WHILE TIGHTENING A SCREW, CONSISTENT WITH THE EVENT DESCRIPTION. MEDICAL RECORDS RECEIVED AND EVALUATION: A REVIEW OF MEDICAL RECORDS WAS NOT PERFORMED AS NONE WERE PROVIDED. NO FURTHER INFORMATION WAS REQUESTED AS THERE IS NO INDICATION THE FAILURE WAS RELATED TO PATIENT FACTORS. DEVICE HISTORY REVIEW INDICATED THE DEVICES ACCEPTED INTO FINAL STOCK FROM THE REPORTED LOT WERE FREE FROM DISCREPANCIES. COMPLAINT HISTORY REVIEW FOUND THERE HAVE BEEN OTHER EVENTS FOR THE MANUFACTURING LOT. PREVIOUS INVESTIGATIONS HAVE FOUND THE ROOT CAUSE TO BE RELATED TO EXCESSIVE TORQUE APPLIED TO THE DEVICE BY THE USER. CONCLUSIONS: THE ROOT CAUSE WAS DETERMINED TO BE APPLICATION OF EXCESSIVE FORCE BY THE USER.

Description of Event or Problem · 1

WHILE GETTING READY TO INSERT A SCREW IN THE ACETABULAR COMPONENT IT WAS NOTICED THAT THE SCREWDRIVER WOULD NOT ENGAGE THE SCREW. CHANGED TO A STRAIGHT SCREWDRIVER AND NOTICED THAT IT WOULD NOT STAY INSERTED INTO THE SCREWDRIVER HANDLE. UTILIZED A SECOND INSTRUMENT SET.

Description of Event or Problem · 1

WHILE GETTING READY TO INSERT A SCREW IN THE ACETABULAR COMPONENT IT WAS NOTICED THAT THE SCREWDRIVER WOULD NOT ENGAGE THE SCREW. CHANGED TO A STRAIGHT SCREWDRIVER AND NOTICED THAT IT WOULD NOT STAY INSERTED INTO THE SCREWDRIVER HANDLE. UTILIZED A SECOND INSTRUMENT SET.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
259349 UNIVERSAL DRIVER SHAFT INSTRUMENT LXH STRYKER ORTHOPAEDICS-MAHWAH FXN338

Patients

Seq Age Sex Outcome Treatment
1 77 YR Other