A Post-Market, Retrospective Study on 3D Metal Tibial and Femoral Cones

"* To collect retrospective clinical outcomes and data on revision TKAs using Medacta GMK Revision with 3D metal tibial and femoral cones~* Evaluate the patient reported functionality of the operated knee~* Evaluate the clinical and radiological performance~* Evaluate safety of the cones~* Evaluate survivorship of revisions using tibial and femoral cones"