Device and Method for Decreasing Energy Consumption of a Person by Use of a Lower Extremity Exoskeleton
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
Jan 26, 2015
filing date -
May 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A lower extremity exoskeleton, configurable to be coupled to a person, includes: leg supports configurable to be coupled to the person's lower limbs and designed to rest on the ground during stance phases, with each leg support having a thigh link and a shank link; two knee joints, each configured to allow flexion and extension between respective shank and thigh links; an exoskeleton trunk configurable to be coupled to the person's upper body, rotatably connectable to the thigh links of the leg supports, allowing for the flexion and extension between the leg supports and the exoskeleton trunk; two hip actuators configured to create torques between the exoskeleton trunk and the leg supports; and at least one power unit capable of providing power to the hip actuators. In use, power is supplied to the hip actuators in an amount to reduce the energy consumed by a user during a walking cycle.
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