Patent ID: 8221506

Claim:
A prosthetic walking foot comprising: (a) a connector ( 2 ) that is fixable to a tube ( 3 ) of an artificial limb of a subject; (b) at least one upper lamina ( 1 c , 1 d ) extending from the connector and having a concavity facing in a forward direction; (c) a lower lamina ( 1 a ) comprising an initial portion ( 9 ) defining an under-heel, an intermediate portion ( 10 ) comprising a hump and a final portion ( 12 ) defining a foot front, said lower lamina being joined to the at least one upper lamina solely in a region of the lower lamina disposed between said initial portion ( 9 ) and said final portion ( 12 ); and (d) a rear lamina ( 1 b ) extending from the connector and comprising a curved region ( 5 ) having a concavity facing in the forward direction and an end portion ( 8 ) that is disposed under the hump of the intermediate portion of the lower lamina ( 1 a ), wherein the connector, the at least one upper lamina, the lower lamina and the rear lamina are constructed and arranged such that, in use, with the subject walking with the connector fixed to the tube of the artificial limb, the walking foot enters into contact with the ground at each of the following three points: the initial portion ( 9 ) of the lower lamina, the final portion ( 12 ) of the lower lamina and the end portion ( 8 ) of the rear lamina.