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February 10, 2022

Össur introduces new motor-powered prosthetic knee

Power Knee provides active assistance and creates motion while the user walks.

Össur has introduced a new motor-powered microprocessor prosthetic knee for people with limb differences or above-knee amputations.

Using advanced algorithms, the Power Knee detects the movement patterns of a human, learns and regulates itself to the cadence and speed of the user in real-time.

It is claimed to be the first actively powered microprocessor prosthetic knee in the world.

The Power Knee provides active assistance and creates motion while the user walks on level-ground, climbs and descends ramps or stairs, as well as when sitting or standing.

The users can perform a natural ‘step-over-step’ pattern while ascending stairs and will also experience controlled resistance at the time of descending ramps or stairs.

The Power Knee offers active flexion and extension while walking, as well as energy-returning stance flexion.

It also facilitates equal weight distribution and natural gait

Össur president and CEO Jon Sigurdsson said: “No other knee thinks, acts or behaves remotely like the new, next-generation Power Knee.

“While other microprocessor knees are ‘passive’ in nature, we have always considered the restoration of power – which is fundamental to the biomechanical systems that move all human bodies – to be a critical function that was lacking in other prosthetic solutions for amputees.

“The Power Knee delivers on that promise and represents an extraordinary milestone in mobility for people with limb loss and limb difference.”

The motor-powered energy of the knee creates more symmetrical motion and helps users conserve their own energy.

Sigurdsson added: “The new Power Knee is a truly transformative solution that allows its users to accomplish things that were unimaginable before.”

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