Loss of mobility due to lower limb paralysis is a common result of thoracic level spinal cord injury (SCI). Functional electrical stimulation (FES) can restore primitive gait in the vicinity of a wheelchair by using electrical stimulation to generate muscle contractions. A new concept for FES-assisted gait is presented that combines electrical stimulation with an orthosis that contains a fluid power system to store and transfer energy during the gait cycle. The Energy Storage Orthosis (ESO) can be driven through a complete gait cycle using only stimulation of the quadriceps muscles. The conceptual design of the ESO was completed and implemented in a dynamic simulation model and in a benchtop prototype for engineering measurements. No studies were conducted with human subjects. The results demonstrate the potential of the ESO concept and the validity of the simulation model as a means for designing the system.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Fluid Power Systems and Technology Division
ISBN:
0-7918-4710-1
PROCEEDINGS PAPER
Preliminary Design and Simulation of a Pneumatic, Stored-Energy, Hybrid Orthosis for Gait Restoration
William K. Durfee,
William K. Durfee
University of Minnesota
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Adam Rivard
Adam Rivard
University of Minnesota
Search for other works by this author on:
William K. Durfee
University of Minnesota
Adam Rivard
University of Minnesota
Paper No:
IMECE2004-60075, pp. 235-241; 7 pages
Published Online:
March 24, 2008
Citation
Durfee, WK, & Rivard, A. "Preliminary Design and Simulation of a Pneumatic, Stored-Energy, Hybrid Orthosis for Gait Restoration." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Fluid Power Systems and Technology. Anaheim, California, USA. November 13–19, 2004. pp. 235-241. ASME. https://doi.org/10.1115/IMECE2004-60075
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