The development of a rapid prototyping prosthetic socket coated with a resin layer for transtibial amputees

Prosthetics and Orthotics International
L H HsuS H Liu

Abstract

This article proposes a type of transtibial socket composed of an inner layer fabricated by a rapid prototyping (RP) machine and an outer layer coated with unsaturated polyester resin. This work integrates contemporary technologies including a handheld scanner and CAD systems, to design a thin primary socket shape and then manufactures the socket using a fused deposition-modeling machine. To prevent breakage caused by the layer-based forming process and to reinforce flexural strength, the current research coats the preliminary RP socket with a layer of unsaturated polyester resin. After shaping the proximal brim of the resin-reinforced RP socket to match the specific stump, this study assembles and aligns a shank and a prosthetic foot to form a prosthesis set. After completing a trial safety walk wearing the prosthesis, which is satisfactory to the amputee and a registered prosthetist, this research measures interface pressures between the stump and the resin-reinforced RP socket. Experiment results demonstrate that the resin-reinforced RP socket is applicable for transtibial amputees. In addition to strengthening the FDM socket and producing consistent socket fit, this study also demonstrates a feasible procedure that employs ...Continue Reading

References

Dec 28, 2002·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·J C H GohP Ng
Feb 10, 2006·Prosthetics and Orthotics International·T McGarry, B McHugh
Mar 17, 2007·Prosthetics and Orthotics International·Bill RogersAndrew J Gitter

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Citations

Jun 19, 2013·Journal of Biomechanical Engineering·Elisa S SchrankSteven J Stanhope
Jul 19, 2016·PM & R : the Journal of Injury, Function, and Rehabilitation·Christopher LunsfordBrad E Dicianno
Nov 8, 2017·Journal of Neuroengineering and Rehabilitation·David J ReinkensmeyerThomas Corfman
Jun 8, 2017·Biofabrication·Chya-Yan Liaw, Murat Guvendiren
Mar 25, 2019·Der Unfallchirurg·C Krettek, N Bruns
Sep 5, 2020·Bioengineering·Erik StenvallLi Yang
Aug 17, 2019·Disability and Rehabilitation. Assistive Technology·Danielle RibeiroSander L Hitzig
Aug 19, 2017·Soft Matter·Jonathan E SeppalaKalman B Migler
Oct 14, 2021·Expert Review of Medical Devices·Isaac A CabreraAlbert Y Lin
Dec 3, 2021·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Merel van der SteltThomas Jj Maal

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Methods Mentioned

BETA
amputation

Software Mentioned

Pliance
m Expert

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