Special Section Technical Briefs

Sensor Based Control of a Bimodal Ankle–Foot Prosthesis With a Smart Phone Interface1

[+] Author and Article Information
Stuart R. Fairhurst, Xiaobin Lin

Minneapolis VA Health Care System,
Minneapolis, MN 55417
Department of Electrical Engineering,
University of Minnesota,
Minneapolis, MN 55455

Eric A. Nickel

Minneapolis VA Health Care System,
Minneapolis, MN 55417

Andrew H. Hansen, John E. Ferguson

Minneapolis VA Health Care System,
Minneapolis, MN 55417
Department of Physical Medicine and Rehabilitation,
University of Minnesota,
Minneapolis, MN 55455

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13–16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 17, 2015; published online July 16, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(3), 030907 (Sep 01, 2015) (2 pages) Paper No: MED-15-1063; doi: 10.1115/1.4030545 History: Received March 03, 2015; Revised March 17, 2015; Online July 16, 2015

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Hansen, A. H., and Wang, C. C., 2010, “Effective Rocker Shapes Used by Able-Bodied Persons for Walking and Fore-Aft Swaying: Implications for Design of Ankle-Foot Prostheses,” Gait Posture, 32(2), pp. 181–184. [CrossRef] [PubMed]
Hansen, A. H., and Nickel, E. A., 2013, “Development of a Bimodal Ankle-Foot Prosthesis for Walking and Standing/Swaying,” ASME J. Med. Devices, 7(3), p. 035001. [CrossRef]


Grahic Jump Location
Fig. 1

The bimodal ankle, showing the sliding lock in both locked (top) and unlocked (bottom) modes

Grahic Jump Location
Fig. 2

Main screen of the smartphone application

Grahic Jump Location
Fig. 3

Flowchart showing the basic layout of the electronic components used in the design




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