Triton smart ankle

A versatile ankle-foot solution for below-knee and above-knee amputees

Reclaim your choice.

Taking the sidewalk or the trail? The elevator or the stairs? Wearing sneakers, dress shoes, or boots?

With Triton smart ankle, the choice is yours. With a higher range of motion than any other microprocessor-controlled ankle available, the ability to change heel height with a smartphone app, and up to three days of battery life, you're able to go where you want, the way you want, at your own pace.

The ankle-foot adjusts to changes in walking speed and terrain on the fly and, with a built-in relief function, even makes standing and sitting more natural and comfortable.

Walking up slopes, stairs, and ramps is noticeably easier.

See the Advantages for you tab below to learn more ways Triton smart ankle adjusts to you.


The hydraulics control the ankle movement. The opening of the valve enables plantar flexion or dorsiflexion of the ankle (lifting and lowering of the foot).

Force and moment sensor

The data required for ankle adjustment is provided by integrated technology called Europa which measures the forces and moments affecting the prosthesis.

Angle and acceleration sensors

These sensors make it possible to determine the angle of the ankle and its acceleration in space and provide important information to the microprocessor.


Integrated Bluetooth® technology enables straightforward communication with an iOS or Android-based smartphone.

Charging unit and operation

The prosthetic foot can be charged via a USB connection. Two buttons for manual operation as well as an optical LED status display are located directly above this.

Battery and electronics

The battery and electronics are protected inside the ankle joint. The integrated microprocessor coordinates all measurement and control processes, thus calculating the correct adaptation of the ankle joint to the respective type of ground and your individual gait pattern.

Triton prosthetic foot module

The interaction of the three carbon fibre spring elements ensures a very smooth transition between the individual gait phases. The split forefoot section provides the safety and control needed to deal with uneven ground and quick changes in direction.

What you need to know

Advantages for you

Wide range of motion

Thanks to the moving ankle joint, the Triton smart ankle facilitates walking on ramps, slopes and stairs as well as at different walking speeds. With a range of motion of up 34°, it adapts to the respective type of ground with every step.

Relief when sitting and standing

When sitting or when standing on slopes, the Triton smart ankle can lower towards the ground. This not only creates a natural appearance, but also above all provides relief for your residual limb.

Heel height adaptation

No matter whether barefoot, flat soles or heels – thanks to the heel height adaptation, you can stand and walk in a balanced, stable way in any shoes. And at the touch of a button, too.

Easy operation via smartphone app

Besides the battery status and the heel height adaptation, the toe stiffness can be varied – to alter to a more relaxed or more dynamic walking style – or the free ankle motion enabled for a short time.

Technical info

Technical Information

Suitable for: K3

Max. body weight: 220 lbs / 100 kg

Foot sizes: 22 – 29 cm

Product weight: 1263 g / 44.5 ounces without footshell 1470 g / 51.9 ounces with footshell

Clearance: 132 mm / 5.2 inches (system height) 150 mm / 5.9 inches

User tips

Tips for using and adjusting the Triton Smart Ankle

Go to our online playlist for step-by-step video tips on adjusting the Triton Smart Ankle, both manually and using the smartphone app. You'll also get to see features such as the ankle's relief function and ankle lock.

Go to the Triton Smart Ankle Quick Start playlist


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Triton smart ankle brochure