Prosthetic foot

Details Prosthetic foot Prosthetic foot

A - Human Necessities

61

F

3/140

A61F 2/66 (2006.01)

Patent

CA 1328150

PROSTHETIC FOOT Abstract of the Disclosure The present invention provides a prosthetic foot (10) comprising an integrally formed, flexible keel (12) preferably in a cosmetic covering (14). The keel has a forefoot portion (16) and a heel portion (18) joined by an ankle portion (20). The inferior aspect of the ankle portion defines an arch (22) which expands in response to a load, and the superior aspect of the ankle portion forms a platform (44) which engages a conventional leg assembly (36). The forefoot portion is contoured, thicker on the medial side (24) than on the lateral side (26), which shifts the midline of weight distribution in the forefoot portion medially. This provides a more natural alignment of the foot during the gait cycle. The toe end (28) of the forefoot portion is biased along the natural toe break line. The posterior aspect of the ankle portion defines a concavity (56) under the platform which is continuous with the superior aspect of the heel portion. This increases the- length of the heel and thereby increases its flexibility and shock absorbing ability. The cosmetic covering is solid except for a cavity (64) under the arch.

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