Finite element analysis of wing-like memory alloy intrasegmental fixator for lumbar spondylolysis
- VernacularTitle:腰椎峡部裂翼状记忆合金节段内固定器的有限元分析
- Author:
Chusong ZHOU
;
Wende XIAO
;
Lei WAN
- Publication Type:Journal Article
- Keywords:
lumbar spondylolysis;
internal fixator;
element method analysis;
binmechanism
- From:
Orthopedic Journal of China
2006;0(19):-
- CountryChina
- Language:Chinese
-
Abstract:
[Objective]To analyze the mechanism of shape memory alloy imrasegmental fixator for lumbar spondylolysis(WMAIF)with finite element method.[Method]The three-dimensional model of WMAIF was established by using ANSYS 8.0 software for large finite element analysis.The model was extended with restriction in different parts,and to undertake corresponding mechanics calculation.[Result]The finite element model of WMAIF was set up,which could predict the strength and displacement of every node and element of its own structure in the course of deforming.[Conclusion]WMAIF is strong enough against tensile stress,which is a new and reliable intrasegmental instrument for direct repairing of lumbar spondylolysis.
