Investigate the accuracy and feasibility of using a homemade distal femoral extramedullary positioning osteotomy template to position the distal femur for total knee replacement during initial total knee arthroplasty.

Self-made distal femoral extramedullary positioning osteotomy template in total knee arthroplasty.

Investigate the accuracy and feasibility of using a homemade distal femoral extramedullary positioning osteotomy template to position the distal femur for total knee replacement during initial total knee arthroplasty.