Current Options for Bionic Legs

Ottobock Genium X3 Feature Image

For your convenience, we have created this master page to show you all the main bionic leg components currently on the market, with links to detailed articles on each.

This includes articles on microprocessor ankles, microprocessor knees, and fully integrated bionic legs.

Best of all, we constantly update this list and all its supporting articles, so just bookmarking this page should keep you up-to-date.

Microprocessor Ankles

Ottobock Meridium Foot

With its 36.5 degrees range of motion, 4-axis kinematics, and automatically adjusted hydraulic resistance, the Meridium Foot is Ottobock’s most lifelike bionic foot/ankle.

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Ottobock Empower Ankle

Ottobock’s Empower Ankle is a unique bionic ankle/foot that provides electric propulsion in addition to automatically adjusting foot position and resistance.

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Ossur Proprio Foot/Ankle

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.

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Freedom Kinnex Foot / Ankle

Proteor USA’s Freedom Kinnex is one of the most advanced bionic foot/ankle devices on the market. Rated as an IP67 device, it is both dust resistant and fully submersible in water.

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Fillauer Raize Foot

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.

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Blatchford Elan IC Foot/Ankle

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.

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Blatchford Elan Foot / Ankle

The Blatchford Elan Foot is another worthy competitor in the bionic foot/ankle market, allowing users to achieve a smooth gait on many different types of terrain. However, it is not waterproof and lacks the type of user software offered by some of its competitors.

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Microprocessor Knees

Ottobock Kenevo Knee

Ottobock’s Kenevo knee is the first bionic knee designed for users with lower mobility grades, meaning persons who walk at no more than half-speed.

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Ottobock Genium Knee

The Ottobock Genium Knee uses microprocessor technology to help users walk with a more natural gait, improved safety, and reduced energy consumption.

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Ottobock C-Leg Bionic Knee

Introduced in 1997, with more than 75,000 fittings worldwide, the C-Leg is a proven bionic knee with excellent stability and dependability. At between $40,000 and $50,000 US for a complete solution, it is in the middle tier of pricing for bionic knees.

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Ossur Rheo Knee XC

Ossur’s Rheo Knee XC is the premium version of its sister product, the Rheo Knee. Added features include increased support for higher-level activities.

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Ossur Rheo Knee

Ossur’s Rheo Knee is the only bionic knee to use a magnetorheological fluid (MRF) to manage its level of resistance. This makes the Rheo Knee more reactive to movements of the residual limb than its hydraulic competitors.

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Ossur Power Knee

Ossur’s Power Knee is the only bionic knee that augments the user’s residual limb with electric power. This significantly reduces the user’s energy expenditure while also assisting in tasks like standing and ascending stairs. It also helps ensure greater ground clearance during the Swing Phase.

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Nabtesco/Proteor Allux Knee

The latest version of Nabtesco’s Allux Knee (Allux 2) was launched in the U.S. in June 2017. Now distributed by Proteor USA, the Allux has some interesting features, especially its use of a 4-bar linkage system.

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Freedom Innovations Plie Knee

The Plie Knee has some unique features that draw both supporters and detractors. While it still sells at an attractive price, its recent acquisition by Proteor USA, scheduled to close by the end of 2020, justifies a wait-and-see approach by prospective purchasers.

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Blatchford Orion Knee

Blatchford’s latest version of the Orion Knee (Orion 3) has closed the technology gap with other leading bionic knees in the same price range. The one remaining question is: do prosthetists trust it as much they do its competitors, especially regarding service and support?

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Fully Integrated Bionic Legs

Blatchford Linx Bionic Leg

Blatchford’s Linx is currently the only true integrated bionic leg on the market. This means it has both a bionic knee and a bionic ankle integrated into a single control system.

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Related Information

For a complete description of all current lower-limb technologies, devices, and research, see our comprehensive guide.

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