Fig. 3From: Safe femoral condyle range for the reverse Rigidfix femoral fixation device in anterior cruciate ligament reconstructiona According to the quadrant method [4], the accuracy of the femoral tunnel positioning was determined. b The Rigidfix femoral guide was placed reversely on the medial side of the knee. c The cross-pin tunnels were created from the medial side of the knee. d The cross-pins were inserted through the sleevesBack to article page