Figure 2

(A) Schematic drawing of the custom-made guiding device fixed with 1 mm K-wires to the distal femur allowing exact axial alignment of the screw. (B) Drawing showing pull-out of the 40 mm deep inserted screw in the custom-made jig.

(A) Schematic drawing of the custom-made guiding device fixed with 1 mm K-wires to the distal femur allowing exact axial alignment of the screw. (B) Drawing showing pull-out of the 40 mm deep inserted screw in the custom-made jig.