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[Development and validating of a three-dimensional finite element model of total human pelvis]
Li-Ming Cheng1, Yong-Wei Jia, Guang-Rong Yu
1Department of Tongji Hospital Affiliated to Tongji University, Shanghai 200065, China.
Objective:
To develop a three-dimensional finite element model of normal total adult human pelvis and to establish a platform for biomechanical research of human pelvis.
Methods:
186 series of traverse CT images of the pelvis, from the third lumbar vertebra (L3) to the upper third of femur, obtained with spiral CT scanning on a healthy man, aged 42, without diseases of lumbar vertebrae and pelvis, were processed. A three-dimensional finite element model of pelvis was constructed directly by producing the units and nodes with the pixels of the original CT films, using ANSYS finite analytical system.
Result:
A three-dimensional finite element model of normal human pelvis was constructed including lumbar and proximal femur, which could be divided into 207,248 nodes and 721,820 units.
Conclusion:
The established three-dimensional finite element model of normal adult is valid and reasonable, and can be used for biomechanical analysis.