System and methods for residual limbs of amputees

EP4531659A4Pending Publication Date: 2026-06-03JSG IP VENTURES LLC
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Patent Information

Application Number
EP2023816972
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-04-06
Filing Date
2023-06-02
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

Phantom limb syndrome in amputees remains inadequately treated by existing methods, with mirror therapy not demonstrating statistically significant pain reduction and a need for non-pharmacological interventions that effectively alleviate symptoms.

Method used

A system comprising a prosthetic cover with an array of sensors that transmit signals to an array of electrodes in a liner, providing sensory feedback through touch, vision, and electrical current to modulate neurons in the residual limb, inducing neuroplasticity and creating a new topographic map to associate specific symptoms with specific interactions.

Benefits of technology

The system effectively reduces symptoms of phantom limb syndrome by stimulating nerve fibers and promoting neuroplasticity, allowing amputees to manage specific symptoms through targeted interactions with the prosthetic, as demonstrated by reduced pain ratings and EEG changes indicating cortical remapping.

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Abstract

Various aspects of this disclosure relate to a prosthetic cover comprising an array of sensors, which transmit signals to an array of electrodes in a liner that fits over a residual limb of an amputee. Different interactions with the prosthetic cover cause different activation of the electrodes to transmit electrical current through different areas of the residual limb and modulate neurons differently within the residual limb.
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