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The Power Knee

March 31st, 2005 Medgadget Editors etc.

The Power KneeThe Power Knee prosthesis, designed for transfemoral amputees, is based on advanced artificial intelligence and nifty mechanics. Ossur, the Icelandic manufacturer of this device, explains:

The Power Knee combines an electromechanical power source with a ‘Sound-Side Sensory-Control’ (SSSC), taking another step towards the mimicking of kinetic and kinematic trajectories and the replication of physiological processes.
The SSSC is a unique way to restore proprioception. The human body requires this indispensable physiological process in order to cope with the broad range of human locomotory functions. This technology exceeds previously established knee systems by gathering sensory information one step ahead of the prosthesis. Whereas other prosthetic solutions fulfill the role of a reactive device, the Power Knee is proactive.
Guided by an advanced type of artificial intelligence the electromechanical power source has the ability to replace muscle function around the knee-joint. Whereas previously established knee systems have been limited to the imitation of excentric muscle work, the Power Knee also replaces concentric muscle activity. The result is outstanding function, unmatched by any other product, allowing the user to ascend stairs and cover longer distances, foe example, with significantly reduced effort.
The Power Knee system monitors an individual’s gait pattern by sampling force and angular measurements at a rate of 1350 times per second. This level of precision is required to achieve an accurate user-system symbiosis.
The combination of the unequalled torque and power generation, the Sound-Side Sensory-Control and the advanced artificial intelligence, rightfully position the Power Knee as a pioneering product on Ossur’s Bionic platform.

More info at Ossur… (don’t forget to watch those videos!)
(hat tip: Gizmodo)

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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