Mechanism for manipulating and measuring legs during stepping

A - Human Necessities – 63 – B

Patent

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Details

A63B 23/00 (2006.01) A61B 5/103 (2006.01) A61H 1/02 (2006.01) A61H 3/00 (2006.01)

Patent

CA 2458154

A backdriveable device for manipulating and measuring limb movement, and a method of use thereof. The device comprises a plurality of forcers, at least one linear guide for constraining the forcers to reciprocate along respective linear trajectories, and a linkage for attachment to a limb of a user, the linkage rotatably connected between the forcers and including two bars rotatably connected together at a vertex. Movement of the forcers along their linear trajectories results in movement of the vertex along a spatial trajectory. In specific embodiments, the forcers are moving coils of a linear motor. The movement and forces applied by the coils can be controlled through a computer interface, providing robotic control of limb movement.

L'invention concerne un dispositif d'assistance de mobilité permettant de manipuler des membres et de mesurer le mouvement des membres, et son procédé d'utilisation. Ledit dispositif comprend une pluralité de pistons (14), au moins un guide linéaire permettant de contraindre les pistons (14) à effectuer un mouvement de va-et-vient le long de trajectoires linéaires respectives, et une tringlerie destinée à être fixée à un membre de l'utilisateur, ladite tringlerie étant reliée rotative entre les pistons (14) et comprenant deux barres (20, 22) reliées rotatives l'une à l'autre au niveau d'un sommet (24). Le mouvement des pistons (14) le long de leurs trajectoires linéaires entraîne un mouvement du sommet le long d'une trajectoire spatiale. Dans des modes de réalisation spécifiques, les pistons (14) impriment un mouvement à des bobines d'un moteur linéaire. Le mouvement et les forces appliquées par les bobines peuvent être commandés par l'intermédiaire d'une interface informatique, permettant d'obtenir une commande robotique du mouvement d'un membre.

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