Pelvic ring fractures: External fixation comparative numerical structural analysis

External fixation (EF) is commonly practiced for pelvic ring fractures management. Many parameters influence mechanical performances of external fixators. Our virtual 3D model of the pelvic ring introduces the advantage of differentiating the mechanical properties of cortical and cancellous bone alo...

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Bibliographic Details
Main Authors: Ali, Shady, Giachino, Matteo, Bonani, Andrea, Aprato, Alessandro, Riyahi-Alam, S., Khattab, Aly, Bignardi, Cristina, Masse, Alessandro
Format: Conference Proceeding
Language:English
Subjects:
Biomechanics
Computational modeling
DICOM
External fixation
Finite elements analysis
Image segmentation
Materials
Mechanobiology
Pelvic fractures
Solid modeling
Three-dimensional displays
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Description
Summary:External fixation (EF) is commonly practiced for pelvic ring fractures management. Many parameters influence mechanical performances of external fixators. Our virtual 3D model of the pelvic ring introduces the advantage of differentiating the mechanical properties of cortical and cancellous bone along with the complex boundary conditions of major ligaments. We assessed stiffness variations by increasing fixator pins depth and we evaluated dislocation related to load intensity and sitting angle.
ISSN:2156-6097
2156-6100
DOI:10.1109/CIBEC.2014.7020934