On (b)(6) 2019, the patient received total knee arthroplasty.Subsequently, the patient reported pain.An x-ray confirmed that the tibial insert had migrated from its original position.On (b)(6) 2019, the surgeon revised the knee and replaced the 18mm insert with a 20mm insert.
Additional Manufacturer Narrative
Failure most likely due to posterior locking tabs not being engaged fully upon implantation.