A new design is proposed for an energy storing orthosis (ESO) that restores walking to people with spinal cord injury by combining functional electrical stimulation of the quadriceps muscle with a mechanical brace that uses elastic elements to store and transfer energy between hip and knee joints. The new ESO is a variation of a previous design and uses constant force springs for energy storage. A study was completed investigating gait dynamics of the ESO. Preliminary assessment, using simulations and prototype testing indicates that the design has demonstrated technical feasibility and that constant force springs are a viable option for accomplishing gait in the ESO.
University of Minnesota M.S. thesis. May 2014. Major: Mechanical Engineering. Advisor: William K. Durfee. 1 computer file (PDF); v, 91 pages, appendices A-H.
Boughner, Kyle J..
Design of an energy storing orthosis for providing gait to people with spinal cord injury.
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