Prosthetic ankle-foot mechanism capable of automatic adaptation to the walking surface

Journal of Biomechanical Engineering

Volumn 131, Issue 3, 2009, Pages

  Williams, Ryan J ^a   Hansen, Andrew H ^b   Gard, Steven A ^b  

^a Plexus Technology Group   (United States)

^b NORTHWESTERN UNIVERSITY   (United States)

Author keywords

Adaptable; Prosthetic ankle; Prosthetic foot; Slope walking; Smart prostheses

Indexed keywords

ACTIVE CONTROL; ADAPTABLE; ANGLE CURVES; ANKLE MOMENTS; AUTOMATIC ADAPTATION; BODYWEIGHT; COMMERCIAL PRODUCTS; DORSIFLEXIONS; EQUILIBRIUM POINT; GAIT CYCLES; KEYPOINTS; LOW IMPEDANCE; PROOF OF CONCEPT; SET-POINT; STANCE PHASE; WALKING SURFACES;

CONCEPTUAL DESIGN; CONTROL SYSTEM ANALYSIS; MACHINE DESIGN;

PROSTHETICS;

ADAPTATION; ADULT; AGED; ANKLE; ARTICLE; BIOMECHANICS; CASE REPORT; EQUIPMENT DESIGN; FOOT; GAIT; HUMAN; IMPEDANCE; JOINT FUNCTION; LEG PROSTHESIS; MALE; SIMULATION; WALKING; MIDDLE AGED; PHYSIOLOGY; PROSTHESIS;

ADAPTATION, PHYSIOLOGICAL; AGED; ANKLE; ANKLE JOINT; FOOT; HUMANS; MALE; MIDDLE AGED; PROSTHESIS DESIGN; WALKING;

EID: 65549134344     PISSN: 01480731     EISSN: 15288951     Source Type: Journal    
DOI: 10.1115/1.3005335     Document Type: Article

References (11)

1. Edelstein, J. E., 1988, "Prosthetic Feet: State of the Art," Phys. Ther., 68(12), pp. 1874-1881.
2. James, K. B., and Stein, R. B., 1986, "Improved Ankle-Foot System for Above-Knee Amputees," Am. J. Phys. Med., 65(6), pp.301-314.
3. Gailey, R. S. A. C. R. C., 2004, Atlas of Amputations and Limb Deficiencies: Surgical, Prosthetic, and Rehabilitation Principles, American Academy of Orthopaedic Surgeons, Rosemont, pp. 589-619.
4. Singer, E., Ishai, G., and Kimmel, E., 1995, "Parameter Estimation for a Prosthetic Ankle," Ann. Biomed. Eng., 23(5), pp. 691-696.
5. Hansen, A. H., 2002, "Roll-Over Characteristics of Human Walking with Applications for Artificial Limbs," Northwestern University, Evanston, IL.
6. Sowell, T. T., 1981, "A Preliminary Clinical Evaluation of the Mauch Hydraulic Foot-Ankle System," Prosthet. Orthot Int., 5(2), pp.87-91.
7. Hansen, A. H., Childress, D. S., Miff, S. C., Gard, S. A., and Mesplay, K. P., 2004, "The Human Ankle During Walking: Implications for Design of Biomimetic Ankle Prostheses," J. Biomech., 37(10), pp. 1467-1474.
8. Perry, J., 1992, Gait Analysis: Normal and Pathological Function, Slack, Thorofare, NJ, p. 524.
9. Earhart, G. M., and Bastian, A. J., 2000, "Form Switching During Human Locomotion: Traversing Wedges in a Single Step," J. Neurophysiol., 84(2), pp. 605-615.
10. Hansen, A. H., Childress, D. S., and Miff, S. C., 2004, "Roll-Over Characteristics of Human Walking on Inclined Surfaces," Hum. Mov. Sci., 23(6), pp. 807-821.
11. Hansen, A. H., Childress, D. S., and Meier, M. R., 2002, "A Simple Method for Determination of Gait Events," J. Biomech., 35(1), pp.135-138.