Sensors Improve Gait and Reduce Phantom Pain

Sensors Improve Gait and Reduce Phantom Pain
An innovative prosthetic leg that adds a sense of touch both improves the wearer’s gait and helps reduce phantom pain.

Developed by teams from the startup SensArs, the University of Freiburg and ETH Zurich, the system relies on tactile sensors that were added to the sole of the foot and around the knee of an existing prosthetic. Signals from the sensors were transmitted to electrodes implanted in volunteers, which stimulated the nerves in the leg to provide sensory feedback that allowed for a more confident gait while also reducing phantom pain.

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