Powered ankle-foot prothesis

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United States of America Patent

PATENT NO 8512415
SERIAL NO

12157727

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Abstract

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A powered ankle-foot prosthesis, capable of providing human-like power at terminal stance that increase amputees metabolic walking economy compared to a conventional passive-elastic prosthesis. The powered prosthesis comprises a unidirectional spring, configured in parallel with a force-controllable actuator with series elasticity. The prosthesis is controlled to deliver the high mechanical power and net positive work observed in normal human walking.

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Patent Owner(s)

  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aisen, Benjamin B New York, US 3 197
Au, Samuel K Sunnyvale, US 3 386
Deffenbaugh, Bruce Wayne Honolulu, US 3 197
Herr, Hugh M Somerville, US 85 5408
Hofmann, Andreas G Boston, US 11 721
Magnusson, Lee Harris Bremen, US 6 540
Weber, Jeff A San Francisco, US 8 488

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