中国组织工程研究2012，Vol.16Issue(30)：5516-5519,4.DOI:10.3969/j.issn.2095-4344.2012.30.002
桥接组合式内固定系统与锁定接骨板钉系统在股骨骨折应用中的有限元分析
Finite element analysis of bridge combined fixation system and the locking plate-screw system on the application for femoral fractures
熊鹰 1李群辉 1柳百炼 1赵烽 1王大兴 1张仲子1
作者信息
- 1. 昆明市延安医院骨科,云南省昆明市,650051
- 折叠
摘要
Abstract
BACKGROUND: The effect of the bridge combined fixation system for the fixation of bone fracture compared with locking plate system needs to be confirmed by experiment.
OBJECTIVE: To compare the biomechanical properties of bridge combined fixation system and locking plate-screw system for the fixation of femoral fractures.
METHODS: We used the finite element analysis method to analyze biomechanical characters of the femoral fractures fixed with the locking plate-screw system and bridge combined fixation system, such as the stress distribution and the strain characteristics of bone and fixation.
RESULTS AND CONCLUSION: The stress on the locking plate screw when climbing stairs was increased for 48.6% compared with walking, the stress was 480 MPa and the maximum stress was on the middle of the locking plate-screw screws. The maximum stress on the middle of the bridge system when climbing was 34.1% larger than that when walking, the maximum stress was 373.9 MPa and occurred near the distal connection rod. The stress on the fracture area of bridge combined fixation system was smaller than that of locking plate system. In summary, as a new kind of bone fracture internal fixation, the biomechanical property of the bridge combined fixation system is significantly higher than that of the locking plate system with the advantages of better fixation stability and beneficial to bone growth.
关键词
股骨骨折/桥接组合式内固定系统/金属锁定接骨板钉系统/生物力学/有限元分析分类
医药卫生引用本文复制引用
熊鹰,李群辉,柳百炼,赵烽,王大兴,张仲子..桥接组合式内固定系统与锁定接骨板钉系统在股骨骨折应用中的有限元分析[J].中国组织工程研究,2012,16(30):5516-5519,4.
