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Electrical stimulation for orthopedic devices

  • US 9,775,662 B2
  • Filed: 12/06/2013
  • Issued: 10/03/2017
  • Est. Priority Date: 12/06/2012
  • Status: Active Grant
First Claim
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1. An orthopedic device comprising:

  • a brace support arranged for a knee and having at least one dynamic force strap for providing corrective orientation of a knee joint and unloading of the knee joint, the at least one dynamic force strap arranged to secure to upper and lower frame portions connected to one another by an upright including a hinge, a first end of the at least one dynamic force strap connected to the upper frame portion and a second end of the at least one dynamic force strap connected to the lower frame portion, the at least one dynamic force strap urging a force toward the upright during extension of the knee joint; and

    an electrical stimulation system including a control unit, at least one electrode, and a sensor module, the sensor module arranged to detect movement and orientation of a user'"'"'s leg, the control unit selectively operating the at least one electrode according to feedback from the sensor module, the feedback from the sensor module, the electrical stimulation system arranged to selectively generate, at certain stages of a user'"'"'s gait, an electrical impulse by the at least one electrode delivered to a user'"'"'s vastus medialis to provide stimulation to the vastus medialis depending on a load level going through an affected knee compartment in supplement to the corrective orientation of the knee joint resulting from the force applied by the at least one dynamic force strap.

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