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Biomimetic Prosthetic Knee Using Antagonistic Muscle-Like Activation

[+] Author Affiliations
Ernesto C. Martinez-Villalpando, Jeff Weber, Grant Elliott, Hugh Herr

Massachusetts Institute of Technology, Cambridge, MA

Paper No. IMECE2008-67705, pp. 141-143; 3 pages
doi:10.1115/IMECE2008-67705
From:
  • ASME 2008 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering
  • Boston, Massachusetts, USA, October 31–November 6, 2008
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4863-0 | eISBN: 978-0-7918-3840-2
  • Copyright © 2008 by ASME

abstract

The majority of commercial prosthetic knees are passive in nature and therefore cannot replicate the positive mechanical work exhibited by the natural human knee in early and late stance. In contrast to traditional purely dissipative prosthetic knees, we propose a biomimetic active agonist-antagonist structure designed to reproduce both positive and negative work phases of the natural joint while using series elasticity to minimize net energy consumption. We present the design and implementation of the active knee prosthesis prototype.

Copyright © 2008 by ASME

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