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This article and any supplementary material should be cited as follows: Sensinger JW, Lipsey J, Thomas A, Turner K. Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device. J Rehabil Res Dev. 2015;52(1):63–76. http://dx.doi.org/10.1682/JRRD.2014.03.0087 Slideshow Project DOI:10.1682/JRRD.2014.03.0087JSP Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device Jon W. Sensinger, PhD, PEng; James Lipsey, MS, PE; Ashley Thomas; Kristi Turner, OTR/L
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This article and any supplementary material should be cited as follows: Sensinger JW, Lipsey J, Thomas A, Turner K. Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device. J Rehabil Res Dev. 2015;52(1):63–76. http://dx.doi.org/10.1682/JRRD.2014.03.0087 Slideshow Project DOI:10.1682/JRRD.2014.03.0087JSP Aim – Demonstrate simple design for terminal device that switches between voluntary opening (VO) and voluntary closing (VC) modes without readjusting harness after every mode shift. Relevance – Both VO and VC modes have advantages for certain tasks, and many end users desire terminal device that can switch between each mode.
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This article and any supplementary material should be cited as follows: Sensinger JW, Lipsey J, Thomas A, Turner K. Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device. J Rehabil Res Dev. 2015;52(1):63–76. http://dx.doi.org/10.1682/JRRD.2014.03.0087 Slideshow Project DOI:10.1682/JRRD.2014.03.0087JSP Method Describe: – Design concept. – Rugged split-hook prototype. – Specifications (size, weight, efficiency, etc.). Present pilot study: – 5 subjects with intact arms and 2 subjects with amputation used VO and VC split-hook prehensor to perform Southampton Hand Assessment Procedure.
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This article and any supplementary material should be cited as follows: Sensinger JW, Lipsey J, Thomas A, Turner K. Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device. J Rehabil Res Dev. 2015;52(1):63–76. http://dx.doi.org/10.1682/JRRD.2014.03.0087 Slideshow Project DOI:10.1682/JRRD.2014.03.0087JSP Results Subjects performed 4 to 7 points better when they could choose to switch between modes on task-by-task basis than when constrained to using only VO or VC modes.
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This article and any supplementary material should be cited as follows: Sensinger JW, Lipsey J, Thomas A, Turner K. Design and evaluation of voluntary opening and voluntary closing prosthetic terminal device. J Rehabil Res Dev. 2015;52(1):63–76. http://dx.doi.org/10.1682/JRRD.2014.03.0087 Slideshow Project DOI:10.1682/JRRD.2014.03.0087JSP Conclusion Initial results indicate that terminal device has potential to: – Improve functionality. – Reduce mental and physical effort required by body- powered prosthesis users during daily interactions with environment.
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