System for powered ankle-foot prosthesis with active control of dorsiflexion-plantarflexion and inversion-eversion
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Mar 19, 2015
filing date -
Mar 19, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for operating a prosthesis is provided. The system includes a socket configured to engage a residual limb of a subject and a shaft having a first end connected to the socket and an opposing second end. The system also includes a foot piece connected to the second end of the shaft. The foot piece includes an ankle plate and a sole piece configured to contact a surface. The system also includes at least one computer configured to detect a state of the foot piece and to transmit an indication of the state of the foot. The system further includes a motor assembly configured to receive the indication of the state of the foot and to control a position and impedance of the ankle plate based on the state of the foot.
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