Based on the unorganized data cloud obtained by optical tracking localizer in ACL naviagation, the surfaces of graft placement on the tibia and the femur as well as the impinging notch surface are reconstructed.

• 摘要针对ACL导航手术中以光学定位仪测量方式得到的三维散乱数据云为基础，即时重建植人物的胫骨和股骨附著面及可能产生碰撞的部分滑车面。