表 3. Overall pelvic displacement and fracture end evaluation displacement (× 10−2 mm).
骨盆整体位移和骨折端评价位移(× 10−2 mm)
| 参数 | 逆行拉力螺钉 固定模型(站/坐) |
常规后柱单钢板 固定模型(站/坐) |
常规后柱双钢板 固定模型(站/坐) |
Magic螺钉 固定模型(站/坐) |
完整骨盆模型 (站/坐) |
| 整体位移 | 20.09/68.77 | 24.73/64.59 | 23.57/63.83 | 22.92/71.00 | 22.60/84.59 |
| X方向位移 | 5.71/23.04 | 8.59/21.15 | 8.35/21.48 | 7.10/19.44 | 6.23/16.02 |
| Y方向位移 | 18.22/66.83 | 22.29/62.92 | 20.90/62.86 | 20.60/68.94 | 20.57/73.50 |
| Z方向位移 | 7.59/39.71 | 10.92/35.71 | 9.64/35.90 | 9.52/38.24 | 8.19/47.42 |
| 骨折端位移 | 4.97/7.97 | 3.33/7.39 | 2.95/7.34 | 2.40/7.72 |