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HomeTechnologyProsthetic leg can 'change gears' to make going up stairs easier

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

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


23 November 2022

Photos of an amputee subject using the powered leg

The Utah Bionic Leg makes use of mechanical levers to allow individuals 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 inconceivable with unpowered prostheses.

Most prostheses don’t have any motors to actively help strolling, however as a substitute 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 available on the market are comparatively heavy and ponderous, with quick battery lives, and have achieved restricted success. …

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