Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lee Harris Magnusson0
Kwok Wai Samuel Au0
Jeff A. Weber0
Hugh M. Herr0
Bruce Wayne Deffenbaugh0
Benjamin B. Aisen0
Andreas G. Hofmann0
Date of Patent
March 22, 2022
0Patent Application Number
161822980
Date Filed
November 6, 2018
0Patent Citations
Patent Citations Received
Patent Primary Examiner
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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