New prosthetic foot uses actuator to mimic human ankle

10/31/2012 | Gizmag

Researchers at Vrije Universiteit Brussel in Belgium have created the Ankle Mimicking Prosthetic Foot, which uses an actuator to store energy in its spring, allowing it to mimic the movement of a human ankle. There are other prostheses that also use an actuated ankle, but the AMP-Foot 2.0 uses a motor that runs off of only 30 to 60W and weighs about the same as a healthy foot, while allowing amputees who weigh up to 165 pounds to replicate 100% push-off while walking on flat ground.

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