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Powered Orthotic Device and Method of Using Same

  • US 20160287422A1
  • Filed: 06/15/2016
  • Published: 10/06/2016
  • Est. Priority Date: 09/19/2006
  • Status: Active Grant
First Claim
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1. A powered orthotic device, for use with a limb having at least two joints, the device comprising:

  • a brace system including at least two brace sub-assemblies, wherein a first brace sub-assembly is operative with respect to a first one of the joints and a second brace sub-assembly is operative with respect to a second one of the joints;

    wherein the first brace sub-assembly includes;

    a first section and a second section, the first section and the second section configured for relative motion with respect to one another about the first one of the joints, the first brace sub-assembly configured to removably attach its first section and its second section to a corresponding limb segment, anda first powered actuator assembly (1) configured to receive a first sensor signal from an electromyographic sensor, and (2) mechanically coupled to the first brace sub-assembly so as to apply a first force for driving the first and second sections of the first brace sub-assembly to move relative to one another, the first force based on the first sensor signal;

    wherein the second brace sub-assembly includes;

    a first section and a second section, the first section and the second section configured for relative motion with respect to one another about the second one of the joints, the second brace sub-assembly configured to removably attach its first section and its second section to a corresponding limb segment; and

    a second powered actuator assembly (1) configured to receive a second sensor signal from a sensor selected from a group consisting of an electromyographic sensor, an inertial measurement unit, and combinations thereof, and (2) mechanically coupled to the second brace sub-assembly so as to apply a second force for driving the first and second sections of the second brace sub-assembly to move relative to one another, the second force based on the first sensor signal or the second sensor signal; and

    wherein the brace system and the first and second actuator assemblies form a wearable component.

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