inforMED
MalfunctionKRP

AXIAL PIN INSERTER/EXTRACTOR

Received Jan 27, 2020 · Event occurred Dec 19, 2019

Report 3013450937-2020-00007 · MDR key 9633778

Device

Generic name

Prosthesis, Knee

Manufacturer

Onkos Surgical

Model number

25102211E

Catalog number

25102211E

Lot number

1488408

Product problems

  • Material Deformation
  • Insufficient Device Problem Information
  • Material Deformation
  • Insufficient Device Problem Information

Patient

20 YR

  • No Information
  • No Clinical Signs, Symptoms or Conditions
  • No Information
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE DEVICE HISTORY RECORD WAS REVIEWED AND FOUND THAT THE COMPONENT INVOLVED MET SPECIFICATION. THE DAMAGED INSTRUMENT WAS RETURNED FOR FURTHER ANALYSIS AND IT WAS CONFIRMED THAT THE THREADS HAD CROSS THREADED. INTERVIEW WITH THE SALES REPRESENTATIVE FOUND THAT THE SURGEON ATTEMPTED TO KEEP THE INCISION VERY MINIMAL, WHICH DID NOT GRANT THEM EASY TRAJECTORY FOR THE INSTRUMENT. THE SALES REPRESENTATIVE REPORTED THAT THE INSTRUMENT HAD BEEN INSERTED INTO THE PIN ON AN ANGLE, THUS CAUSING THE THREADS TO CROSS AND THE INSTRUMENT TO BECOME DAMAGED. ADDITIONALLY, THIS INSTRUMENT IS REUSABLE, AND ITS LIFE SPAN DEPENDS ON THE METHOD IN WHICH IT IS USED, THE DURATION OF USE, AND ITS HANDLING BETWEEN USES. ULTIMATELY, BASED UPON THE DEVICE HISTORY RECORD AND INTERVIEW WITH THE SALES REPRESENTATIVE IT WAS CONCLUDED THAT THE INSTRUMENT FAILURE COULD NOT BE ATTRIBUTED TO THE MANUFACTURING OF THE ELEOS COMPONENT.

Description of Event or Problem

THE AXIAL PIN INSERTER/EXTRACTOR CROSS THREADED WITH AN AXIAL PIN AND BECAME DAMAGED.

Additional Manufacturer Narrative

THE DEVICE HISTORY RECORD WAS REVIEWED AND FOUND THAT THE COMPONENT INVOLVED MET SPECIFICATION. THE DAMAGED INSTRUMENT WAS REQUESTED TO BE RETURNED FOR FURTHER ANALYSIS. SHOULD ADDITIONAL INFORMATION BE OBTAINED THE REPORT WILL BE SUPPLEMENTED.

Description of Event or Problem

THE AXIAL PIN INSERTER/EXTRACTOR CROSS THREADED WITH AN AXIAL PIN AND BECAME DAMAGED.