The experiments were performed on the 8 human cadaveric antiseptic spinal specimens. The biomechanics of modified Harrington rod (MHR),Harrington rod(HR)and Dick device fixing the tho-racolumbar spinal fractures was measured by electric and motive test.

• 本实验应用电测法和运动测定技术,在8具防腐脊柱标本上进行改良哈氏棒、哈氏棒和狄克钉三种器材对胸腰段脊柱骨折固定的力学测试。