The results of the test showed that ZH transpedicular internal fixator was much better than the other two oneswith: load-responsive change was much less than that of Dick screw and Steffee plate by 7.2% and 14% at Point A andby 17% and 28% at Point B;
英
美
- 经生物力学测试；椎体应变:ZH内固定器组明显小于Dick钉组和Steffee钢板组；A点应变分别相差7.；2%25、14%25(P<0
