An aequilate baffle plate is welded on the front part of the arc-shaped steel plate to prevent transplanted bone blocks from outward sliding.
弧形钢板的前部焊接一等宽挡板，可防止移植的骨块向外滑动。
The feet of the marking device are two aequilate and isopachous straight stripe feet, and the evenly divided scale and the ruler scale are engraved on the feet.