Université Paris Est Creteil Val De Marne

Assistance Publique-hopitaux De Paris

Jean-Michel Gracies

Samer Mohammed

Yacine Amirat

A portable device () for quantifying movements of pronation and/or supination of a person, and intended to be used when the person has the elbow on a horizontal support, comprising: a solid armature () with: means for attaching (), configured to secure one hand of the person in the device (); a central pivot element () intended to be in contact with the horizontal support, during the angular oscillations of the hand, between two opposed identical 'first block angles' relative to a vertical position called “neutral position”, the “first block angles” defining a “small amplitude”, first means for blocking () the movement of pronation and the movement of supination of the elbow, at the two “first block angles”; second means for blocking () the movement of pronation and the movement of supination, at two identical opposed “second block angles” relative to the neutral position, between the solid armature () relative to the horizontal support, the “second block angles” defining a “large amplitude” greater than the “small amplitude”; an IMU () able to measure movement data.

Analysis system with a portable connected device

A stimulation device for activating at least one muscle involved in raising the foot while an individual is walking, comprising sensors which are to be placed on a lower limb of the individual, permitting calculation of a flexion angle of the knee; electrodes which are to be placed on the one or more muscles to be activated and able to electrically stimulate the one or more muscles, and a processing unit with computing means for calculating the value of the flexion angle of the knee on the basis of the measurement signals and for determining the oscillation phase in a walking cycle of the individual, and control means for the electrodes, the control means being designed to activate the electrodes only in the oscillation phase of a walking cycle of the individual, such that the electrodes generate an electrical stimulation with an intensity depending on the flexion angle of the knee, the intensity increasing as the flexion angle of the knee decreases, during the re-extension of the knee during the oscillation phase.

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Paris, France

Jean-Michel Gracies