Evaluation of the Safety and Durability of Low-Cost Nonprogrammable Electric Powered Wheelchairs Jonathan L. Pearlman, MSc, Rory A. Cooper, PhD, Jaideep Karnawat, Rosemarie Cooper, MPT, ATP, Michael L. Boninger, MD Archives of Physical Medicine and Rehabilitation Volume 86, Issue 12, Pages 2361-2370 (December 2005) DOI: 10.1016/j.apmr.2005.07.294 Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 1 EPWs tested. (A) Electric Mobility, (B) Invacare, (C) Golden, and (D) Pride. Archives of Physical Medicine and Rehabilitation 2005 86, 2361-2370DOI: (10.1016/j.apmr.2005.07.294) Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 2 Static stability testing (rearward direction). Archives of Physical Medicine and Rehabilitation 2005 86, 2361-2370DOI: (10.1016/j.apmr.2005.07.294) Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 3 An Invacare being loaded onto the triple-drum fatigue testing machine. Archives of Physical Medicine and Rehabilitation 2005 86, 2361-2370DOI: (10.1016/j.apmr.2005.07.294) Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 4 Close-up of bent seat failure on the Golden during curb-drop testing. Archives of Physical Medicine and Rehabilitation 2005 86, 2361-2370DOI: (10.1016/j.apmr.2005.07.294) Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 5 Survival curve comparing rates of K10 with those of the higher classified EPWs. Survival of the low-cost EPWs we tested at the 400,000 equivalent cycle mark (vertical gray line) is 25 versus the 0.8 survival of the other EPWs. Archives of Physical Medicine and Rehabilitation 2005 86, 2361-2370DOI: (10.1016/j.apmr.2005.07.294) Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions