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Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method

Interbody fusion devices are gaining acceptance as a treatment method of mainly for disc degeneration diseases and other medical conditions. Posterior lumbar interbody fusion (PLIF) cage is used in the procedure to maintain stability and promote fusion between vertebrae. Poly lactic acid (PLA) is as...

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Main Authors: Muhammad Hilmi, Jalil, Muhammad Hazli, Mazlan, Todo, Mitsugu
Format: Article
Language:English
Published: International Academy Publishing (IAP) 2017
Subjects:
Q Science (General)
Online Access:http://umpir.ump.edu.my/id/eprint/14534/7/fkksa-2017-hilmi-Biomechanical%20Comparison%20of%20Polymeric%20Spinal%20Cages.pdf
http://umpir.ump.edu.my/id/eprint/14534/
http://www.ijbbb.org/show-69-816-1.html
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spelling my.ump.umpir.145342017-04-05T03:52:41Z http://umpir.ump.edu.my/id/eprint/14534/ Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method Muhammad Hilmi, Jalil Muhammad Hazli, Mazlan Todo, Mitsugu Q Science (General) Interbody fusion devices are gaining acceptance as a treatment method of mainly for disc degeneration diseases and other medical conditions. Posterior lumbar interbody fusion (PLIF) cage is used in the procedure to maintain stability and promote fusion between vertebrae. Poly lactic acid (PLA) is assumed to be the alternative material which could provide cheaper material and lower production cost. However, these implants often cause subsidence failure at the endplate, resulting in injury risk and mechanical instability during fusion. In this study, the stress behavior of PLIF cage made by two different materials, Polyether ether ketone (PEEK) and PLA; was studied using finite element method (FEM). By implementing bilateral cages between vertebral bone L4 and L5, and conducting 6 different motion activities onto the model, the stress distribution of L4-L5, and cage bodies was predicted. Simulation results predicted that the cage subsidence occurred at both materials, with an overall of higher cage-endplate stresses for PEEK, in comparison to PLA and controlled configurations. In addition, the stress distribution in PLA cage was better and the maximum von Mises stress was approximately 3 times lower than PEEK cage. Further investigation of PLA cage’s mechanical properties should be done experimentally to determine the accuracy and reliability of the simulation. International Academy Publishing (IAP) 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/14534/7/fkksa-2017-hilmi-Biomechanical%20Comparison%20of%20Polymeric%20Spinal%20Cages.pdf Muhammad Hilmi, Jalil and Muhammad Hazli, Mazlan and Todo, Mitsugu (2017) Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method. International Journal of Bioscience, Biochemistry and Bioinformatics, 7 (2). pp. 110-117. ISSN 2010-3638 http://www.ijbbb.org/show-69-816-1.html doi: 10.17706/ijbbb.2017.7.2.110-117
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic Q Science (General)
spellingShingle Q Science (General)
Muhammad Hilmi, Jalil
Muhammad Hazli, Mazlan
Todo, Mitsugu
Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
description Interbody fusion devices are gaining acceptance as a treatment method of mainly for disc degeneration diseases and other medical conditions. Posterior lumbar interbody fusion (PLIF) cage is used in the procedure to maintain stability and promote fusion between vertebrae. Poly lactic acid (PLA) is assumed to be the alternative material which could provide cheaper material and lower production cost. However, these implants often cause subsidence failure at the endplate, resulting in injury risk and mechanical instability during fusion. In this study, the stress behavior of PLIF cage made by two different materials, Polyether ether ketone (PEEK) and PLA; was studied using finite element method (FEM). By implementing bilateral cages between vertebral bone L4 and L5, and conducting 6 different motion activities onto the model, the stress distribution of L4-L5, and cage bodies was predicted. Simulation results predicted that the cage subsidence occurred at both materials, with an overall of higher cage-endplate stresses for PEEK, in comparison to PLA and controlled configurations. In addition, the stress distribution in PLA cage was better and the maximum von Mises stress was approximately 3 times lower than PEEK cage. Further investigation of PLA cage’s mechanical properties should be done experimentally to determine the accuracy and reliability of the simulation.
format Article
author Muhammad Hilmi, Jalil
Muhammad Hazli, Mazlan
Todo, Mitsugu
author_facet Muhammad Hilmi, Jalil
Muhammad Hazli, Mazlan
Todo, Mitsugu
author_sort Muhammad Hilmi, Jalil
title Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
title_short Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
title_full Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
title_fullStr Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
title_full_unstemmed Biomechanical Comparison of Polymeric Spinal Cages Using Ct Based Finite Element Method
title_sort biomechanical comparison of polymeric spinal cages using ct based finite element method
publisher International Academy Publishing (IAP)
publishDate 2017
url http://umpir.ump.edu.my/id/eprint/14534/7/fkksa-2017-hilmi-Biomechanical%20Comparison%20of%20Polymeric%20Spinal%20Cages.pdf
http://umpir.ump.edu.my/id/eprint/14534/
http://www.ijbbb.org/show-69-816-1.html
_version_ 1643667458087714816
score 13.211869

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