Optimization of a Cemented Femoral Prosthesis Considering Bone Remodeling-Reference-Cited by-同舟云学术

Optimization of a Cemented Femoral Prosthesis Considering Bone Remodeling

Published:2015-11-18 Issue:1 Volume:138 Page:
ISSN:0148-0731
Container-title:Journal of Biomechanical Engineering
language:en
Short-container-title:

Author:

Luis Corso Leandro¹,de Freitas Spinelli Leandro²³,Schnaid Fernando⁴,Dossin Zanrosso Crisley⁵,José Marczak Rogério⁶

Affiliation:

1. Department of Mechanical Engineering, University of Caxias do Sul, Rua Francisco Getúlio Vargas, 1130, Bairro Petrópolis, Caxias do Sul CEP 95070-560, Brazil e-mail:

2. Department of Orthopedics and Traumatology/Hip Surgery, Irmandade da Santa Casa de Misericóridia, Porto Alegre, Rio Grande do Sul, Brazil;

3. Department of Engineering, Federal University of Rio Grande do Sul, Rua Ramiro Barcelos, 1323/701, Porto Alegre CEP 90.035-006, Rio Grande do Sul, Brazil e-mail:

4. Department of Civil Engineering, Federal University of Rio Grande do Sul, Av. Osvaldo Aranha, 99, 3o andar, Porto Alegre CEP 90050-170, Rio Grande do Sul, Brazil e-mail:

5. Medical Department, Lutheran University of Brazil/ULBRA, Av. Farroupilha, 8001, Bairro São José, Canoas CEP 92425-900, Rio Grande do Sul, Brazil e-mail:

6. Department of Mechanical Engineering, Federal University of Rio Grande do Sul, Sarmento Leite, 425, Porto Alegre CEP 90050-170, Rio Grande do Sul, Brazil e-mail:

Abstract

The study presents a numerical methodology for minimizing the bone loss in human femur submitted to total hip replacement (THR) procedure with focus on cemented femoral stem. Three-dimensional computational models were used to describe the femoral bone behavior. An optimization procedure using the genetic algorithm (GA) method was applied in order to minimize the bone loss, considering the geometry and the material of the prosthesis as well as the design of the stem. Internal and external bone remodeling were analyzed numerically. The numerical method proposed here showed that the bone mass loss could be reduced by 24%, changing the design parameters.

Publisher

ASME International

Subject

Physiology (medical),Biomedical Engineering

Link

http://asmedigitalcollection.asme.org/biomechanical/article-pdf/doi/10.1115/1.4031938/6093163/bio_138_01_011002.pdf

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