Adequacy of power wheelchair control interfaces for persons with severe disabilities: a clinical survey

Fehr, L.; Langbein, E.; Skaar, S. B.: Adequacy of power wheelchair control interfaces for persons with severe disabilities: a clinical survey. I: Journal of Rehabilitation Research and Development, 2000(37/3), s. 353-360.Language: Engelsk

Summary: The extreme difficulty with which persons with severe disabilities have been taught to maneuver a power wheelchair has been described in case studies, and anecdotal evidence suggests the existence of a patient population for whom mobility is severely limited if not impossible given currently available power wheelchair control interfaces . Since our review of the literature provided little evidence either in support or refutation of the adequacy of existing power wheelchair control interfaces, 200 practicing clinicians were surveyed. Results: Clinicians indicated that 9 to 10 percent of patients who receive power wheelchair training find it extremely difficult or impossible to use the wheelchair for activities of daily living. When asked specifically about steering and maneuvering tasks, the percentage of patients reported to find these difficult or impossible jumped to 40. Nearly half of patients unable to control a power wheelchair by conventional methods would benefit from an automated navigation system, according to the clinicians who treat them. These results indicate a need, not for more innovation in steering interfaces, but for entirely new technologies for supervised autonomous navigation.

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 Electrically powered wheelchairs with electronic steering