Fig. 3From: Robot-assisted anterior cruciate ligament reconstruction based on three-dimensional imagesTunnel location as shown in the arthroscopic field and 3D CT images. A After the robot arm completes the positioning step, the doctor drills the bone tunnel; B the location of the intra-articular opening of the femoral tunnel on 3D CT; C the location of the intra-articular opening of the tibial tunnel on 3D CTBack to article page