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Design of a patient specific, 3D printed arm cast

Version 2 2024-06-03, 21:30
Version 1 2017-02-27, 22:02
conference contribution
posted on 2024-06-03, 21:30 authored by AP Fitzpatrick, MI Mohammed, PK Collins, Ian GibsonIan Gibson
3D printing is a manufacturing technique by which the material is added layer by layer to create a physical three-dimensional object. This manufacturing technique had primarily found uses in academic and commercial sectors for prototyping and product realization purposes. However, more recently the home consumer market has seen a surge in low cost printers bringing this capability to the masses. More recently 3D printing has seen considerable interest from the clinical sector, where alongside the synergistic use with medical imaging data, a whole generation of patient specific implantable technologies, splints/casts and resection guides can be created. Predominantly, clinical applications have focused on the use of 3D printing for bone replacement, however with the advent of more sophisticated multi-material printers, interest has now begun to move to applications in orthotics and orthopedic casting. This study is to review and evaluate the feasibility of designing and realizing a more patient specific orthopedic cast to surpass current limitation with traditional fiberglass/plaster casts, through the use of advanced 3D modelling and printing techniques. To directly compare the efficacy of the traditional and 3D printed casts, we shall investigate critical parameters such as the time for manufacture, the overall weight of the final product, the accuracy off the cast relative to the patient’s unique anatomy and additional user-centric metrics (comfort, aesthetics, etc.). The design examined made use of advanced mesh structures throughout the bulk of the cast, such that the device would require less material (by weight) during fabrication, could allow for tunable weight and mechanical properties and allow for air penetration to the person skin, thereby reducing discomfort due to prolonged moisture exposure (chaffing, bad smells, etc.). As the primary focus of this study is the design and product realization phases and we shall not assess metrics relating to patient recover time or experience.

History

Pagination

135-142

Location

Geelong, Victoria

Start date

2017-12-05

End date

2017-12-08

ISSN

2518-6841

Language

eng

Publication classification

E Conference publication, E1 Full written paper - refereed

Copyright notice

2017, Angus P Fitzpatrick et al.

Editor/Contributor(s)

Collins P, Gibson I

Title of proceedings

DesTech 2016: Proceedings of the International Conference on Design and Technology

Event

Design and Technology. Conference (2016 : Geelong, Victoria)

Publisher

Knowledge E

Place of publication

Dubai, United Arab Emirates

Series

School of Engineering, Deakin University Conference

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