Expandable intramedullary nail: review of biomechanical studies

This article reviews studies of Fixion expandable nail biomechanical properties in case of long bones fractures osteosynthesis. The purpose of this study was to systematize biomechanical researches dedicated to the expandable nail. There were found seven biomechanical studies published between 2005...

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Main Authors: Dmitry Ivanov, Anatoly Barabash, Yuri Barabash
Format: Article
Language:English
Published: Limited liability company «Science and Innovations» (Saratov) 2016-06-01
Series:Russian Open Medical Journal
Subjects:
Online Access:http://www.romj.org/node/150
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author Dmitry Ivanov
Anatoly Barabash
Yuri Barabash
author_facet Dmitry Ivanov
Anatoly Barabash
Yuri Barabash
author_sort Dmitry Ivanov
collection DOAJ
description This article reviews studies of Fixion expandable nail biomechanical properties in case of long bones fractures osteosynthesis. The purpose of this study was to systematize biomechanical researches dedicated to the expandable nail. There were found seven biomechanical studies published between 2005 and 2008. Among them, six studies are devoted to mechanical experiments, and one is a comment to the published study. In four papers, the authors compared biomechanical properties of expandable and locked nails. Expandable nail proved to be a highly effective device for fixation of long bone fractures. However, in case of mid-shaft fractures Fixion nail was significantly less stable than standard locked nails. This conclusion was obtained for humeri, tibia and femur. Stiffness of bone-implant system for expandable nail in case of torsional loads was significantly lower than the similar parameter of standard implant in case of transverse fracture models. Expandable Fixion nail rod should be used with great caution for osteosynthesis of long bones transverse shaft fractures. In contrast, in the case of oblique and spiral fractures, when contact area between fragments is sufficiently high and can share loads between nail and bone fragments, the expandable nail should be used.
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spelling doaj.art-8103f8a91ebf4ee8810668d94106449a2022-12-21T20:03:23ZengLimited liability company «Science and Innovations» (Saratov)Russian Open Medical Journal2304-34152016-06-0152e020610.15275/rusomj.2016.0206Expandable intramedullary nail: review of biomechanical studiesDmitry IvanovAnatoly BarabashYuri BarabashThis article reviews studies of Fixion expandable nail biomechanical properties in case of long bones fractures osteosynthesis. The purpose of this study was to systematize biomechanical researches dedicated to the expandable nail. There were found seven biomechanical studies published between 2005 and 2008. Among them, six studies are devoted to mechanical experiments, and one is a comment to the published study. In four papers, the authors compared biomechanical properties of expandable and locked nails. Expandable nail proved to be a highly effective device for fixation of long bone fractures. However, in case of mid-shaft fractures Fixion nail was significantly less stable than standard locked nails. This conclusion was obtained for humeri, tibia and femur. Stiffness of bone-implant system for expandable nail in case of torsional loads was significantly lower than the similar parameter of standard implant in case of transverse fracture models. Expandable Fixion nail rod should be used with great caution for osteosynthesis of long bones transverse shaft fractures. In contrast, in the case of oblique and spiral fractures, when contact area between fragments is sufficiently high and can share loads between nail and bone fragments, the expandable nail should be used.http://www.romj.org/node/150intramedullary nailFixion nailexpandable naillocked nailbiomechanics
spellingShingle Dmitry Ivanov
Anatoly Barabash
Yuri Barabash
Expandable intramedullary nail: review of biomechanical studies
Russian Open Medical Journal
intramedullary nail
Fixion nail
expandable nail
locked nail
biomechanics
title Expandable intramedullary nail: review of biomechanical studies
title_full Expandable intramedullary nail: review of biomechanical studies
title_fullStr Expandable intramedullary nail: review of biomechanical studies
title_full_unstemmed Expandable intramedullary nail: review of biomechanical studies
title_short Expandable intramedullary nail: review of biomechanical studies
title_sort expandable intramedullary nail review of biomechanical studies
topic intramedullary nail
Fixion nail
expandable nail
locked nail
biomechanics
url http://www.romj.org/node/150
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AT anatolybarabash expandableintramedullarynailreviewofbiomechanicalstudies
AT yuribarabash expandableintramedullarynailreviewofbiomechanicalstudies