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3DCS fixation to the distal fragment

Preparation for correct positioning

Determine the correct position for the DCS with the help of guide wires around the joint. Under image intensifier control, pass one guide wire lateral to medial along the tibio-femoral joint line (red). Pass a second guide wire over the anterior surface of the knee to indicate the plane of the patello-femoral condyles (green).

The ideal position of the DCS is shown by the yellow wire. Note that it is inserted parallel to both the red wire in the frontal plane and is parallel to the green line on the end-on view on the femur. This latter orientation ensures that the plate comes to lie flush with the lateral cortex.