Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier
In the total hip prosthesis, according to different positions of the patient, there are a variety of loads acting on femoral head which generate stress concentration in the cement called polymethylmethacrylat (PMMA) and consequently in the interfaces stem/cement/bone. This load transfer can provoke...
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Gruppo Italiano Frattura
2021
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oai:doaj.org-article:eced6ec6428e4d3cb3697b1d59e15f3c2021-11-26T10:56:03ZFinite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier1971-8993https://doaj.org/article/eced6ec6428e4d3cb3697b1d59e15f3c2021-06-01T00:00:00Zhttps://www.fracturae.com/index.php/fis/article/view/3099https://doaj.org/toc/1971-8993 In the total hip prosthesis, according to different positions of the patient, there are a variety of loads acting on femoral head which generate stress concentration in the cement called polymethylmethacrylat (PMMA) and consequently in the interfaces stem/cement/bone. This load transfer can provoke loosening of the implant from the femoral bone. This paper focused on optimal stress distribution in the total hip prosthesis and devoted to the development of a redesigned prosthesis type in order to minimize stress concentration in the cement. This study investigated the effect of elastomeric stress barrier incorporated between the stem and femoral head using 3D-finite element analysis. This proposed implant provoked lower load transfer in the cement due to the elastomeric effect as stress absorber. However, the proposed model provided an acceptable solution for load transfer reduction to the cement. This investigation permitted to increase the service life of the total hip prosthesis avoiding the loosening. Allaoua Fadela Lebbal HabibBelarbi Abderrahmane Gruppo Italiano FratturaarticleHip prosthesisCementStress concentrationStress barrierFinite element method (FEM)Mechanical engineering and machineryTJ1-1570Structural engineering (General)TA630-695ENFrattura ed Integrità Strutturale, Vol 15, Iss 57 (2021) |
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DOAJ |
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Hip prosthesis Cement Stress concentration Stress barrier Finite element method (FEM) Mechanical engineering and machinery TJ1-1570 Structural engineering (General) TA630-695 |
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Hip prosthesis Cement Stress concentration Stress barrier Finite element method (FEM) Mechanical engineering and machinery TJ1-1570 Structural engineering (General) TA630-695 Allaoua Fadela Lebbal Habib Belarbi Abderrahmane Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
description |
In the total hip prosthesis, according to different positions of the patient, there are a variety of loads acting on femoral head which generate stress concentration in the cement called polymethylmethacrylat (PMMA) and consequently in the interfaces stem/cement/bone. This load transfer can provoke loosening of the implant from the femoral bone. This paper focused on optimal stress distribution in the total hip prosthesis and devoted to the development of a redesigned prosthesis type in order to minimize stress concentration in the cement. This study investigated the effect of elastomeric stress barrier incorporated between the stem and femoral head using 3D-finite element analysis. This proposed implant provoked lower load transfer in the cement due to the elastomeric effect as stress absorber. However, the proposed model provided an acceptable solution for load transfer reduction to the cement. This investigation permitted to increase the service life of the total hip prosthesis avoiding the loosening.
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format |
article |
author |
Allaoua Fadela Lebbal Habib Belarbi Abderrahmane |
author_facet |
Allaoua Fadela Lebbal Habib Belarbi Abderrahmane |
author_sort |
Allaoua Fadela |
title |
Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
title_short |
Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
title_full |
Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
title_fullStr |
Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
title_full_unstemmed |
Finite Element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
title_sort |
finite element analysis of stress state in the cement of total hip prosthesis with elastomeric stress barrier |
publisher |
Gruppo Italiano Frattura |
publishDate |
2021 |
url |
https://doaj.org/article/eced6ec6428e4d3cb3697b1d59e15f3c |
work_keys_str_mv |
AT allaouafadela finiteelementanalysisofstressstateinthecementoftotalhipprosthesiswithelastomericstressbarrier AT lebbalhabib finiteelementanalysisofstressstateinthecementoftotalhipprosthesiswithelastomericstressbarrier AT belarbiabderrahmane finiteelementanalysisofstressstateinthecementoftotalhipprosthesiswithelastomericstressbarrier |
_version_ |
1718409631293767680 |