Lower leg prosthesis

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/66 (2006.01) A61F 2/50 (2006.01)

Patent

CA 2437752

An improved lower leg prosthesis is disclosed for providing an improved performance, including improved stability and improved multi-axial compliance. The prosthesis includes a two-part lower foot plate (10a, 10b), incorporating a forefoot plate and a heel plate, and an upper foot plate (12) that is attached to the forefoot and heel plates by a two-part intermediate elastomeric layer (14). Forming the lower foot plate and the elastomeric layer each in two parts ensures that the forefoot plate and heel plate function substantially independently of each other, which leads to substantially improved cushioning at heel strike and to improved stability throughout the gait cycle.

La présente invention concerne une prothèse améliorée de partie inférieure de jambe qui offre de meilleures performances, notamment une meilleure stabilité et une meilleure adaptation multi-axiale. Cette prothèse comprend une plaque pied inférieure en deux parties (10a, 10b), qui incorpore une plaque partie antérieure de pied, une plaque talon et une plaque (12) coup de pied attachée aux plaques partie antérieure de pied et talon par une couche (14) élastomère intermédiaire en deux parties. La mise en forme de cette plaque pied inférieure et de cette couche élastomère, chacune en deux parties, permet de faire en sorte que la plaque partie antérieure de pied et que la plaque talon fonctionnent sensiblement indépendamment l'une de l'autre, ce qui améliore sensiblement l'amortissement de l'attaque du talon et la stabilité de la démarche.

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