A new method to reconstruct the spatial structure of human proximal femur and establishment of the finite element model.
- Author:
Xinlong MA
1
;
Xin FU
;
Jianxiong MA
;
Yongtao ZHAO
;
Tao WANG
;
Zhigang WANG
;
Yuan ZHANG
;
Baokang DONG
;
Yang YANG
Author Information
1. Department of Orthopedics, General Hospital of Tianjin Medical University, Tianjin 300052, China.
- Publication Type:Journal Article
- MeSH:
Biomechanical Phenomena;
Compressive Strength;
Computer Simulation;
Femur;
anatomy & histology;
diagnostic imaging;
physiology;
Finite Element Analysis;
Humans;
Image Processing, Computer-Assisted;
Imaging, Three-Dimensional;
methods;
Models, Anatomic;
Radiography
- From:
Journal of Biomedical Engineering
2011;28(1):71-75
- CountryChina
- Language:Chinese
-
Abstract:
In current study of femoral head necrosis and femoral neck fractures, more attentions has been paid to relationship between the femoral head trabecular bone within the spatial structure and its biomechanics. In this connection, PMMA (polymethyl methacrylate), special square iron, dental base acrylic resin liquid and powder were used to embed and fix human dry femur. Then, M618 Lie Axle Rectangle Desk Plane Grinding Machine was applied to grind the femur specimen, and then air blower clean, two-dimensional cross section image was obtained by using scanner. With Mimics software reconstruction, a three-dimensional model of spatial structure of trabecular bone was obtained, and the trabecular bone three-dimensional parameters were calculated. The authors obtained clear three-dimensional model of trabecular bone, reconstructed the real anatomic morphology of proximal femur. This is a good method to research into the interior structure of femur and to provide the foundation for the three-dimensional finite element analysis.
