Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application

Abstract Patient-specific surgical guides are increasingly demanded. Material Extrusion (ME) is a popular 3D printing technique to fabricate personalized surgical guides. However, the ME process usually generates deleterious surface topography which is not suitable for orthopaedic emergencies. We de...

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Main Authors: Yuan Chai, Xiao-Bo Chen, Donghai Zhang, Joseph Lynch, Nick Birbilis, Qing-Hua Qin, Paul N. Smith, Rachel W. Li
Format: Article
Language:English
Published: Springer 2020-10-01
Series:SN Applied Sciences
Subjects:
Online Access:https://doi.org/10.1007/s42452-020-03637-7
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author Yuan Chai
Xiao-Bo Chen
Donghai Zhang
Joseph Lynch
Nick Birbilis
Qing-Hua Qin
Paul N. Smith
Rachel W. Li
author_facet Yuan Chai
Xiao-Bo Chen
Donghai Zhang
Joseph Lynch
Nick Birbilis
Qing-Hua Qin
Paul N. Smith
Rachel W. Li
author_sort Yuan Chai
collection DOAJ
description Abstract Patient-specific surgical guides are increasingly demanded. Material Extrusion (ME) is a popular 3D printing technique to fabricate personalized surgical guides. However, the ME process usually generates deleterious surface topography which is not suitable for orthopaedic emergencies. We designed and optimized parametric combinations of a laser polishing approach as post process to improve the surface quality of ME-made poly-lactic acid (PLA) objects. In this study, we investigated the contribution of processing variables to the mechanical properties and the biocompatibilities in vitro of the ME-made PLA objects. Conventional surface grinding was conducted as comparison. The results demonstrate that the ME-made PLA samples exhibit good mechanical properties and favourable biocompatibility after being post processed using laser polishing. The post laser polishing, as a powerful tool in manufacture of ME-made PLA objects, will open a new approach with a great promise in its applications in personalized and timely management of medical emergencies.
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spelling doaj.art-e468044a712447569721d32b6d11b0982022-12-21T18:23:43ZengSpringerSN Applied Sciences2523-39632523-39712020-10-0121111010.1007/s42452-020-03637-7Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic applicationYuan Chai0Xiao-Bo Chen1Donghai Zhang2Joseph Lynch3Nick Birbilis4Qing-Hua Qin5Paul N. Smith6Rachel W. Li7Trauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National UniversitySchool of Engineering, RMIT UniversityTrauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National UniversityTrauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National UniversityResearch School of Engineering, College of Engineering and Computer Science, Australian National UniversityResearch School of Engineering, College of Engineering and Computer Science, Australian National UniversityTrauma and Orthopaedic Research Unit, The Canberra HospitalTrauma and Orthopaedic Research Laboratory, Department of Surgery, The Medical School, The Australian National UniversityAbstract Patient-specific surgical guides are increasingly demanded. Material Extrusion (ME) is a popular 3D printing technique to fabricate personalized surgical guides. However, the ME process usually generates deleterious surface topography which is not suitable for orthopaedic emergencies. We designed and optimized parametric combinations of a laser polishing approach as post process to improve the surface quality of ME-made poly-lactic acid (PLA) objects. In this study, we investigated the contribution of processing variables to the mechanical properties and the biocompatibilities in vitro of the ME-made PLA objects. Conventional surface grinding was conducted as comparison. The results demonstrate that the ME-made PLA samples exhibit good mechanical properties and favourable biocompatibility after being post processed using laser polishing. The post laser polishing, as a powerful tool in manufacture of ME-made PLA objects, will open a new approach with a great promise in its applications in personalized and timely management of medical emergencies.https://doi.org/10.1007/s42452-020-03637-7BiocompatibilityFused deposition modellingMechanical strengthOrthopaedicsSurgical guideThree dimensional printing
spellingShingle Yuan Chai
Xiao-Bo Chen
Donghai Zhang
Joseph Lynch
Nick Birbilis
Qing-Hua Qin
Paul N. Smith
Rachel W. Li
Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
SN Applied Sciences
Biocompatibility
Fused deposition modelling
Mechanical strength
Orthopaedics
Surgical guide
Three dimensional printing
title Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
title_full Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
title_fullStr Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
title_full_unstemmed Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
title_short Laser polished fused deposition poly-lactic acid objects for personalized orthopaedic application
title_sort laser polished fused deposition poly lactic acid objects for personalized orthopaedic application
topic Biocompatibility
Fused deposition modelling
Mechanical strength
Orthopaedics
Surgical guide
Three dimensional printing
url https://doi.org/10.1007/s42452-020-03637-7
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