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Multifunction control and evaluation of a 3D printed hand prosthesis with the Myo armband by hand amputees

M. Cognolato, M. Atzori, C. Marchesin, S. Marangon, D. Faccio, C. Tiengo, F. Bassetto, R. Gassert, N. Petrone, H. Müller
doi: https://doi.org/10.1101/445460
M. Cognolato
1Information Systems Institute, University of Applied Sciences Western Switzerland (HESSO Valais), Sierre, Switzerland.
2Rehabilitation Engineering Laboratory, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.
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  • For correspondence: matteo.cognolato@hevs.ch
M. Atzori
1Information Systems Institute, University of Applied Sciences Western Switzerland (HESSO Valais), Sierre, Switzerland.
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  • For correspondence: matteo.cognolato@hevs.ch
C. Marchesin
3Department of Industrial Engineering, University of Padova, Padova, Italy.
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S. Marangon
3Department of Industrial Engineering, University of Padova, Padova, Italy.
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D. Faccio
4Clinic of Plastic Surgery, Padova University Hospital, Padova, Italy.
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C. Tiengo
4Clinic of Plastic Surgery, Padova University Hospital, Padova, Italy.
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F. Bassetto
4Clinic of Plastic Surgery, Padova University Hospital, Padova, Italy.
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R. Gassert
2Rehabilitation Engineering Laboratory, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.
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N. Petrone
3Department of Industrial Engineering, University of Padova, Padova, Italy.
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H. Müller
1Information Systems Institute, University of Applied Sciences Western Switzerland (HESSO Valais), Sierre, Switzerland.
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  • For correspondence: matteo.cognolato@hevs.ch
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Abstract

Upper limb amputations are highly impairing injuries that can substantially limit the quality of life of a person. The most advanced dexterous prosthetic hands have remarkable mechanical features. However, in most cases, the control systems are a simple extension of basic control protocols, making the use of the prosthesis not intuitive and sometimes complex. Furthermore, the cost of dexterous prosthetic hands is often prohibitive, especially for the pediatric population and developing countries. 3D printed hand prostheses can represent an opportunity for the future. Open 3D models are increasingly being released, even for dexterous prostheses that are capable of moving each finger individually and actively rotating the thumb. However, the usage and test of such devices by hand amputees (using electromyography and classification methods) is not well explored. The aim of this article is to investigate the usage of a cost-effective system composed of a 3D printed hand prosthesis and a low-cost myoelectric armband. Two subjects with transradial amputation were asked to wear a custom-made socket supporting the HANDi Hand and the Thalmic Labs Myo armband. Afterwards, the subjects were asked to control and use the prosthetic hand to grasp several objects by attempting to perform a set of different hand gestures. Both the HANDi Hand and the Myo armband performed well during the test, which is encouraging considering that the HANDi Hand was developed as a research platform. The results are promising and show the feasibility of the multifunction control of dexterous 3D printed hand prostheses based on low-cost setups. Factors as the level of the amputation, neuromuscular fatigue and mechanical limitations of the 3D printed hand prosthesis can influence the performance of the setup. Practical aspects such as usability and robustness will need to be addressed for successful application in daily life. A video of the tests can be found at the following link: https://youtu.be/iPSCAbd17Qw

Footnotes

  • * This work was partially supported by the Swiss National Science Foundation Sinergia project # 410160837 MeganePro.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
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Posted October 17, 2018.
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Multifunction control and evaluation of a 3D printed hand prosthesis with the Myo armband by hand amputees
M. Cognolato, M. Atzori, C. Marchesin, S. Marangon, D. Faccio, C. Tiengo, F. Bassetto, R. Gassert, N. Petrone, H. Müller
bioRxiv 445460; doi: https://doi.org/10.1101/445460
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Multifunction control and evaluation of a 3D printed hand prosthesis with the Myo armband by hand amputees
M. Cognolato, M. Atzori, C. Marchesin, S. Marangon, D. Faccio, C. Tiengo, F. Bassetto, R. Gassert, N. Petrone, H. Müller
bioRxiv 445460; doi: https://doi.org/10.1101/445460

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