Ossur’s Proprio Foot includes many of the advanced features found in other foot/ankle systems. However, it uses an inter-step ankle accommodation strategy, which some view as inferior to the within-step strategies used by other bionic foot/ankle systems.
Fillauer’s Raize Foot is a lightweight, low-profile bionic foot/ankle that focuses on optimizing the Stance Phase of the user’s gait. With low water and dust resistance ratings, it is best suited for light duties in clean operating environments.
The Blatchford Elan IC has all of the attributes of its sister product, the Elan Microprocessor Foot. But its new induction charging technology allows it to be completely sealed from the elements, making it waterproof.