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Active ankle foot orthosis

  • US 8,808,214 B2
  • Filed: 11/18/2011
  • Issued: 08/19/2014
  • Est. Priority Date: 09/25/2003
  • Status: Active Grant
First Claim
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1. A variable-impedance active ankle foot orthosis comprising:

  • an actuator comprising a motor operatively coupled to a spring; and

    a controller for modulating an impedance of an orthotic joint during a walking cycle for treating an ankle foot gait pathology by modulating deflection of the spring with the motor.

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