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Defining the design requirements for an assistive powered hand exoskeleton

Quinn A. Boser, Michael R. Dawson, Jonathon S. Schofield, Gwen Dziwenko, Jacqueline S. Hebert
doi: https://doi.org/10.1101/492124
Quinn A. Boser
1Department of Biomedical Engineering, University of Alberta.
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Michael R. Dawson
2Division of Physical Medicine and Rehabilitation, Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta.
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Jonathon S. Schofield
3Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic.
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Gwen Dziwenko
4Research and Technology, Glenrose Rehabilitation Hospital, Alberta Health Services.
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Jacqueline S. Hebert
1Department of Biomedical Engineering, University of Alberta.
2Division of Physical Medicine and Rehabilitation, Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta.
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Abstract

The goal of this study was to identify design criteria for the development of an assistive powered hand exoskeleton by consulting with potential end users. Structured interviews with clinicians and patients with hand impairment were carried out and the results were tabulated. Three participants with impaired hand function also underwent a quantitative measurement session regarding hand function. The objective of the measurement sessions was to understand the characteristics, abilities and limitations of the upper limb of individuals who could benefit from a hand exoskeleton device, in order to better define design criteria and control options for such a device. For the most part, clinicians and participants with hand impairment agreed on expectations for a hand exoskeleton device on topics including important grasp patterns, wear time, and grip strength. However, their expectation seemed to diverge on the topic of control, where clinicians felt simple reliable control strategies would be preferred, but patients desired intuitive control. This research has identified key features of hand exoskeleton design requirements that will need to be met in order to have acceptable clinical translation to patient populations. Including endusers in the design of such a device is essential for successful patient-oriented technology development.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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Posted December 10, 2018.
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Defining the design requirements for an assistive powered hand exoskeleton
Quinn A. Boser, Michael R. Dawson, Jonathon S. Schofield, Gwen Dziwenko, Jacqueline S. Hebert
bioRxiv 492124; doi: https://doi.org/10.1101/492124
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Defining the design requirements for an assistive powered hand exoskeleton
Quinn A. Boser, Michael R. Dawson, Jonathon S. Schofield, Gwen Dziwenko, Jacqueline S. Hebert
bioRxiv 492124; doi: https://doi.org/10.1101/492124

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