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HUGH HERR’S NEW PROSTHETIC TECH USES MAGNETS — Amplitude Magazine

Friday, 13 January, 2023

HUGH HERR’S NEW PROSTHETIC TECH USES MAGNETS — Amplitude Magazine

Hugh Herr and his crew at the MIT Media Lab are making serious headway on a new interface to connect bodies to prosthetic devices. The technology’s label—magnetomicrometry—sounds unwieldy, but the solution itself is downright feathery. It’s based on small magnetic implants that measure muscle activity in the residual limb and can transmit the corresponding intent to the prosthesis.

That job is routinely performed by myoelectric sensors in present devices, but the magnets can read muscle movements with far greater precision. When a muscle contracts, the beads get closer together; when it relaxes, they slide further apart. An external sensing device continuously monitors these signals and translates them into action, creating an intuitive interface that closely mimics natural limb movement.

Read more at: https://livingwithamplitude.com/article/hugh-herr-mit-prosthetics-magnets-magnetomicrometry/

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