Fig. 3From: The use of augmented reality for limb and component alignment in total knee arthroplasty: systematic review of the literature and clinical pilot studyThe Knee + system enables the surgeon to view the tibia (A) and femur (B) mechanical axis (blue line) superimposed on the tibia and femur on surgical field. In yellow circles, it has been indicated the coronal and sagittal alignment of cutting guideBack to article page