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Tytuł pozycji:

Three-dimensional finite element analysis of several internal and external pelvis fixations.

Tytuł:
Three-dimensional finite element analysis of several internal and external pelvis fixations.
Autorzy:
García JM; Department of Mechanical Engineering, University of Zaragoza, Spain.
Doblaré M
Seral B
Seral F
Palanca D
Gracia L
Źródło:
Journal of biomechanical engineering [J Biomech Eng] 2000 Oct; Vol. 122 (5), pp. 516-22.
Typ publikacji:
Journal Article; Research Support, Non-U.S. Gov't
Język:
English
Imprint Name(s):
Publication: New York Ny : American Society Of Mechanical Engineers
Original Publication: [New York] American Society of Mechanical Engineers.
MeSH Terms:
External Fixators*
Internal Fixators*
Pelvic Bones/*anatomy & histology
Pelvic Bones/*surgery
Aged ; Biomechanical Phenomena ; Female ; Fractures, Bone/physiopathology ; Fractures, Bone/surgery ; Humans ; Image Processing, Computer-Assisted ; Models, Anatomic ; Pelvic Bones/physiology ; Sacrum/anatomy & histology ; Tomography, X-Ray Computed
Entry Date(s):
Date Created: 20001125 Date Completed: 20010531 Latest Revision: 20220331
Update Code:
20240104
DOI:
10.1115/1.1289995
PMID:
11091954
Czasopismo naukowe
The Finite Element Method (FEM) can be used to analyze very complex geometries, such as the pelvis, and complicated constitutive behaviors, such as the heterogeneous, nonlinear, and anisotropic behavior of bone tissue or the noncompression, nonbending character of ligaments. Here, FEM was used to simulate the mechanical ability of several external and internal fixations that stabilize pelvic ring disruptions. A customized pelvic fracture analysis was performed by computer simulation to determine the best fixation method for each individual treatment. The stability of open-book fractures with external fixations at either the iliac crests or the pelvic equator was similar, and increased greatly when they were used in combination. However, external fixations did not effectively stabilize rotationally and vertically unstable fractures. Adequate stabilization was only achieved using an internal pubis fixation with two sacroiliac screws.

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