Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis

Minimally invasive decompression is generally employed for treating lumbar spinal stenosis; however, it results in weakened spinal stability. To augment spinal stability, a new interspinous process device (NIPD) was developed in this study. The biomechanical features of the NIPD were evaluated in th...

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Autores principales:	Hung-Wen Wei, Shao-Ming Chuang, Chen-Sheng Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	interspinous process device lumbar spine finite-element model biomechanics Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/bf3dcc87b327408ab867b6d6b5fa9c21
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spelling	oai:doaj.org-article:bf3dcc87b327408ab867b6d6b5fa9c212021-11-11T15:25:26ZBiomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis10.3390/app1121104862076-3417https://doaj.org/article/bf3dcc87b327408ab867b6d6b5fa9c212021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10486https://doaj.org/toc/2076-3417Minimally invasive decompression is generally employed for treating lumbar spinal stenosis; however, it results in weakened spinal stability. To augment spinal stability, a new interspinous process device (NIPD) was developed in this study. The biomechanical features of the NIPD were evaluated in this study. Three finite-element (FE) models of the entire lumbar spine were implemented to perform biomechanical analysis: the intact, defect (DEF), and NIPD models. The DEF model was considered for lumbar spines with bilateral laminotomies and partial discectomy at L3–L4. Range of motion (ROM), disc stress, and facet joint contact force were evaluated in flexion, extension, torsion, and lateral bending in the three FE models. The results indicated that ROM in the extension increased by 23% in the DEF model but decreased by 23% in the NIPD model. In the NIPD model, the cephalic adjacent disc stress in flexion and extension was within 5%, and negligible changes were noted in the facet joint contact force for torsion and lateral bending. Thus, the NIPD offers superior spinal stability and causes only a minor change in cephalic adjacent disc stress in flexion and extension during the bilateral laminotomy and partial discectomy of the lumbar spine. However, the NIPD has a minor influence on the ROM and facet joint force for lateral bending and torsion.Hung-Wen WeiShao-Ming ChuangChen-Sheng ChenMDPI AGarticleinterspinous process devicelumbar spinefinite-element modelbiomechanicsTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10486, p 10486 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	interspinous process device lumbar spine finite-element model biomechanics Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	interspinous process device lumbar spine finite-element model biomechanics Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Hung-Wen Wei Shao-Ming Chuang Chen-Sheng Chen Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
description	Minimally invasive decompression is generally employed for treating lumbar spinal stenosis; however, it results in weakened spinal stability. To augment spinal stability, a new interspinous process device (NIPD) was developed in this study. The biomechanical features of the NIPD were evaluated in this study. Three finite-element (FE) models of the entire lumbar spine were implemented to perform biomechanical analysis: the intact, defect (DEF), and NIPD models. The DEF model was considered for lumbar spines with bilateral laminotomies and partial discectomy at L3–L4. Range of motion (ROM), disc stress, and facet joint contact force were evaluated in flexion, extension, torsion, and lateral bending in the three FE models. The results indicated that ROM in the extension increased by 23% in the DEF model but decreased by 23% in the NIPD model. In the NIPD model, the cephalic adjacent disc stress in flexion and extension was within 5%, and negligible changes were noted in the facet joint contact force for torsion and lateral bending. Thus, the NIPD offers superior spinal stability and causes only a minor change in cephalic adjacent disc stress in flexion and extension during the bilateral laminotomy and partial discectomy of the lumbar spine. However, the NIPD has a minor influence on the ROM and facet joint force for lateral bending and torsion.
format	article
author	Hung-Wen Wei Shao-Ming Chuang Chen-Sheng Chen
author_facet	Hung-Wen Wei Shao-Ming Chuang Chen-Sheng Chen
author_sort	Hung-Wen Wei
title	Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
title_short	Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
title_full	Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
title_fullStr	Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
title_full_unstemmed	Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis
title_sort	biomechanical evaluation of the lumbar spine by using a new interspinous process device: a finite element analysis
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bf3dcc87b327408ab867b6d6b5fa9c21
work_keys_str_mv	AT hungwenwei biomechanicalevaluationofthelumbarspinebyusinganewinterspinousprocessdeviceafiniteelementanalysis AT shaomingchuang biomechanicalevaluationofthelumbarspinebyusinganewinterspinousprocessdeviceafiniteelementanalysis AT chenshengchen biomechanicalevaluationofthelumbarspinebyusinganewinterspinousprocessdeviceafiniteelementanalysis
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Biomechanical Evaluation of the Lumbar Spine by Using a New Interspinous Process Device: A Finite Element Analysis

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