Hong, EK and Pearlman, J and Salatin, B and Wang, H and Liu, HY and Cooper, RA and Hargroder, T
(2011)
Design and development of a lightweight, durable, adjustable composite backrest mounting.
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Abstract
Rigid backrest systems for wheelchairs provide a stable and comfortable base of support to help users maintain good posture while propelling and sitting static. Unfortunately, these backrest systems lack the adjustability necessary to allow users to comfortably perform some tasks, such as dressing; consequently, many users retain their sling-style backrests. We developed a lightweight, durable, adjustable composite (LWDAC) backrest mounting system to address these shortcomings and performed engineering and human subjects testing to evaluate the feasibility of the device. The LWDAC prototype passed the static engineering evaluation, as well as nearly all of the fatigue testing prior to failure of the device. Clinicians (n = 9) and users (n = 8) who evaluated the device in a focus group forum had an overall positive response. The participants agreed the backrest mounting can be operated with one hand and felt comfortable when participants were seated. Wheelchair users were interested in purchasing the backrest, and clinicians indicated they would recommend the LDWAC. Copyright © 2011 RESNA.
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