Controllable prosthetic joint system

Details Controllable prosthetic joint system Controllable prosthetic joint system

A - Human Necessities

61

F

A61F 2/70 (2006.01) A61F 2/68 (2006.01) A61F 2/64 (2006.01)

Patent

CA 2405356

The invention relates to an automated speed-adaptive and patient-adaptive control scheme and system for a knee prosthesis (110). The control scheme and system utilizes sensory information measured local to the prosthesis (110) to automatically adjust stance and swing phase knee resistances to a particular wearer under a wide variety of locomotory activities. Advantageously, no patient-specific information needs to be pre-programmed into the prosthetic knee (110) by a prosthetist or the patient. The system (110) is able to adapt to various types of disturbances once the patient leaves the prosthetist's facility because it is patient-adaptive and speed-adaptive.

L'invention concerne un système et une configuration de commande adaptable à la vitesse et adaptable à un patient pour une prothèse de genou (110). La configuration et le système de commande utilisent des informations sensorielles collectées à proximité de la prothèse (110) afin d'ajuster automatiquement les résistances du genou lors des phases d'appui et des phases d'oscillation à un utilisateur particulier pratiquant une large gamme d'activités locomotrices. De manière avantageuse, le prothésiste ou le patient lui-même n'a pas besoin de programmer à l'avance dans la prothèse de genou (110) des informations propres au patient. Une fois installé, le système (110) est conçu pour s'adapter à diverses formes de perturbations car il est adaptable au patient et adaptable à la vitesse.

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