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MIT patents schematics for mechanical foot/ankle

April 4th, 2007 Justin Barad Rehab

MIT has patented a nifty looking mechanical foot prosthesis for foot amputees. The device attempts to provide a more natural gait by storing energy in a spring as the person steps down, and then releasing it to propel the person forward. It also contains motors that orient the foot when not in contact with a surface, as well as sensors to determine what kind of surfaces the foot is dealing with.
The motor elements of the device use MITs “Biomimetic Hybrid Actuators,” which attempt to mimic human musculoskeletal architecture by storing and releasing energy and having dynamic stiffness.
The boys at MIT definitely need a better name for the device since “Artificial ankle-foot system with spring, variable-damping, and series-elastic actuator components ” is a little rough on the ears.
Story @ NewScientist
Patent Application
(Hat Tip: Engadget)

Justin Barad

Justin Barad is a board eligible pediatric orthopaedic surgeon. He did his fellowship at Boston Children's Hospital in the Harvard Combined Orthopaedic Surgery program and his residency at UCLA. He is also the Founder and CEO of Osso VR, a clinically validated surgical simulation platform. His interests include Virtual/Augmented Reality, robotics, surgical navigation and 3D Printing/Scanning, He is always looking to discuss the latest and greatest in medtech. He has been writing for Medgadget about medical technology since 2006 and also has several research publications and presentations.

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