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Evaluation of Pushrim-Activated Power-Assisted Wheelchairs Using ANSI/RESNA Standards

Karmarkar, A and Cooper, RA and Liu, HY and Connor, S and Puhlman, J (2008) Evaluation of Pushrim-Activated Power-Assisted Wheelchairs Using ANSI/RESNA Standards. Archives of Physical Medicine and Rehabilitation, 89 (6). 1191 - 1198. ISSN 0003-9993

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Abstract

Karmarkar A, Cooper RA, Liu H, Connor S, Puhlman J. Evaluation of pushrim-activated power-assisted wheelchairs using ANSI/RESNA standards. Objective: To determine and compare performance of pushrim-activated power-assisted wheelchairs (PAPAW) (iGLIDE, e-motion, Xtender) on national standards. Design: Engineering performance and safety evaluation. Setting: A Veteran Affairs and university-based research center. Specimens: Nine PAPAWs. Interventions: Not applicable. Main Outcome Measures: Static, dynamic stability, brake effectiveness, maximum speed, acceleration, retardation, energy consumption, static, impact, and fatigue strength. Results: There was no significant difference among the 3 models in forward stability. The iGLIDE was the most stable, whereas the e-motion was the least stable model in the rearward stability tests. All PAPAWs performed equally on the slopes of 3° and 6° in the forward and rearward directions. Braking distance was the highest for e-motion (5.64±0.28m) and the lowest (1.13±0.03m) for the iGLIDE in forward direction. The average equivalent cycles of all PAPAWs were 318,292±112,776.6 cycles (n=8) on the fatigue tests. All PAPAWs passed the impact and static strength tests. Conclusions: The standards of the American National Standards Institute and the Rehabilitation Engineering and Assistive Technology Society of North America could act as quality assurance tool for wheelchairs. The standards for wheelchairs were first approved in 1990; after 17 years, exceeding the minimum values in the standards would be a reasonable expectation. © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Karmarkar, A
Cooper, RARCOOPER@pitt.eduRCOOPER
Liu, HY
Connor, S
Puhlman, J
Centers: Other Centers, Institutes, or Units > Human Engineering Research Laboratories
Date: 1 June 2008
Date Type: Publication
Journal or Publication Title: Archives of Physical Medicine and Rehabilitation
Volume: 89
Number: 6
Page Range: 1191 - 1198
DOI or Unique Handle: 10.1016/j.apmr.2007.10.029
Schools and Programs: School of Health and Rehabilitation Sciences > Rehabilitation Science and Technology
Refereed: Yes
ISSN: 0003-9993
MeSH Headings: Biomedical Engineering--standards; Electric Power Supplies; Equipment Design--standards; Humans; Wheelchairs
PubMed ID: 18503819
Date Deposited: 18 Oct 2012 16:24
Last Modified: 30 Oct 2018 14:04
URI: http://d-scholarship.pitt.edu/id/eprint/15788

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