Cargando…
Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs
In the interests of more flexible and less stiff bridge constructs to stimulate bone healing, the technique of far cortical locking has been designed to improve locked plating constructs in terms of stress concentration, stress shielding, and inhibition of issues around fracture healing. However, fa...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Frontiers Media S.A.
2022
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9551571/ https://www.ncbi.nlm.nih.gov/pubmed/36237212 http://dx.doi.org/10.3389/fbioe.2022.967430 |
_version_ | 1784806133323530240 |
---|---|
author | Deng, Yuping Zhao, Dongliang Yang, Yang Ouyang, Hanbin Xu, Chujiang Xiong, Liang Li, Yanbin Tan, Wenchang Huang, Gang Huang, Wenhua |
author_facet | Deng, Yuping Zhao, Dongliang Yang, Yang Ouyang, Hanbin Xu, Chujiang Xiong, Liang Li, Yanbin Tan, Wenchang Huang, Gang Huang, Wenhua |
author_sort | Deng, Yuping |
collection | PubMed |
description | In the interests of more flexible and less stiff bridge constructs to stimulate bone healing, the technique of far cortical locking has been designed to improve locked plating constructs in terms of stress concentration, stress shielding, and inhibition of issues around fracture healing. However, far cortical locking screws currently lack objective designs and anti-fatigue designs. This study investigates an optimization algorithm to form a special locking screw composed of various metals, which can theoretically achieve the maintenance of the excellent mechanical properties of far cortical locking constructs in terms of fracture internal fixation, while maintaining the biomechanical safety and fatigue resistance of the structure. The numerical results of our study indicate that the maximum von Mises stress of the optimized construct is less than the allowable stress of the material under each working condition while still achieving sufficient parallel interfragmentary motion. Numerical analysis of high cycle fatigue indicates that the optimized construct increases the safety factor to five. A high cycle fatigue test and defect analysis indicates that the sandwich locking constructs have better fatigue resistance. We conclude that the sandwich locking construct theoretically maintains its biomechanical safety and fatigue resistance while also maintaining excellent mechanical properties for fracture internal fixation. |
format | Online Article Text |
id | pubmed-9551571 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Frontiers Media S.A. |
record_format | MEDLINE/PubMed |
spelling | pubmed-95515712022-10-12 Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs Deng, Yuping Zhao, Dongliang Yang, Yang Ouyang, Hanbin Xu, Chujiang Xiong, Liang Li, Yanbin Tan, Wenchang Huang, Gang Huang, Wenhua Front Bioeng Biotechnol Bioengineering and Biotechnology In the interests of more flexible and less stiff bridge constructs to stimulate bone healing, the technique of far cortical locking has been designed to improve locked plating constructs in terms of stress concentration, stress shielding, and inhibition of issues around fracture healing. However, far cortical locking screws currently lack objective designs and anti-fatigue designs. This study investigates an optimization algorithm to form a special locking screw composed of various metals, which can theoretically achieve the maintenance of the excellent mechanical properties of far cortical locking constructs in terms of fracture internal fixation, while maintaining the biomechanical safety and fatigue resistance of the structure. The numerical results of our study indicate that the maximum von Mises stress of the optimized construct is less than the allowable stress of the material under each working condition while still achieving sufficient parallel interfragmentary motion. Numerical analysis of high cycle fatigue indicates that the optimized construct increases the safety factor to five. A high cycle fatigue test and defect analysis indicates that the sandwich locking constructs have better fatigue resistance. We conclude that the sandwich locking construct theoretically maintains its biomechanical safety and fatigue resistance while also maintaining excellent mechanical properties for fracture internal fixation. Frontiers Media S.A. 2022-09-27 /pmc/articles/PMC9551571/ /pubmed/36237212 http://dx.doi.org/10.3389/fbioe.2022.967430 Text en Copyright © 2022 Deng, Zhao, Yang, Ouyang, Xu, Xiong, Li, Tan, Huang and Huang. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
spellingShingle | Bioengineering and Biotechnology Deng, Yuping Zhao, Dongliang Yang, Yang Ouyang, Hanbin Xu, Chujiang Xiong, Liang Li, Yanbin Tan, Wenchang Huang, Gang Huang, Wenhua Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title | Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title_full | Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title_fullStr | Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title_full_unstemmed | Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title_short | Optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
title_sort | optimal design and biomechanical analysis of sandwich composite metal locking screws for far cortical locking constructs |
topic | Bioengineering and Biotechnology |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9551571/ https://www.ncbi.nlm.nih.gov/pubmed/36237212 http://dx.doi.org/10.3389/fbioe.2022.967430 |
work_keys_str_mv | AT dengyuping optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT zhaodongliang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT yangyang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT ouyanghanbin optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT xuchujiang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT xiongliang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT liyanbin optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT tanwenchang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT huanggang optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs AT huangwenhua optimaldesignandbiomechanicalanalysisofsandwichcompositemetallockingscrewsforfarcorticallockingconstructs |