Ankle Foot Orthosis Using Shape Memory Alloys for Addressing Drop Foot
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Apr 9, 2015
filing date -
Apr 9, 2014
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Abstract
An ankle foot orthosis (AFO) is provided to address the drop foot irregularity. In two introduced embodiments of the device, a shape memory alloy (SMA) component is loaded during powered plantarflexion. The SMA would then enable the AFO to lift the foot during the dorsiflexion, when the foot drops. The AFO offers a compact and lightweight structure, however, while still providing the patient the desired lift in during dorsiflexion.
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