Prosthetic leg can ‘change gears’ to make going up stairs simpler

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A robotic leg with an enormous toe and motors that may “change gear” like a bicycle can allow a wearer to stroll up stairs and slopes

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23 November 2022

The Utah Bionic Leg makes use of mechanical levers to allow folks to go up stairs

HGN Lab for Bionic Engineering on the College of Utah

A robotic leg with motors that work like bike gears might let a wearer stroll up stairs – which many individuals discover unattainable with unpowered prostheses.

Most prostheses don’t have any motors to actively help strolling, however as an alternative are both passive or assist solely by altering the resistance of a joint’s swing, managed by a low-power microchip. The few actively powered prostheses in the marketplace are comparatively heavy and ponderous, with quick battery lives, and have achieved restricted success. …

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