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Modular Prototype of a Canine Prosthesis through the Simulation of a Transradial Amputation Case

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Abstract:

The absence of customized prostheses for animals significantly limits the rehabilitation of amputated canines in Honduras. Due to the lack of local prosthetic solutions, full limb amputations are commonly performed, which eliminate the possibility of preserving functional joints. As a result, no clinical cases with partial limb preservation are available for study, this paper presents the design and validation of a modular canine exoprosthesis in a simulated transradial amputation scenario. Anatomical data were obtained through zoometry, plaster molding, and 3D scanning. The modular prosthesis was modeled in SolidWorks and Meshmixer, fabricated with FDM 3D printing. Materials used include carbon fiber-reinforced PETG for structural components and TPU with varying hardness for flexible sections. Structural validation was performed through finite element analysis (FEA), followed by experimental compression tests. Results show that the design and materials withstand peak gait forces within safe limits. The modular configuration proved effective for assembly and potential future adjustments. This study provides a technical foundation for the development of anatomically adapted canine prostheses in Honduras, offering an alternative that contributes to improving the quality of life of amputee dogs and supporting their rehabilitation within the local context.

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Journal of Biomimetics, Biomaterials and Biomedical Engineering Vol. 70 View Preview

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Periodical:

Journal of Biomimetics, Biomaterials and Biomedical Engineering (Volume 70)

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153-165

DOI:

https://doi.org/10.4028/p-ap8nId

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Online since:

January 2026

Authors:

Alvaro Rodriguez Palma, Josue Diaz Sanabria*, Fernanda Caceres Lagos

Keywords:

3D Printing, Biomechanics, Compression Testing, Finite Element Analysis

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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