Patent ID: 7794506
Filing Date: 2010-09-14
Classification: A61F

Abstract:
1. A prosthetic foot, comprising: a) an elongated foot member, extending between a toe section positioned at a toe location of a natural foot and an ankle section positioned at an ankle location of a natural foot; b) a connector coupled to the foot member at the ankle section and configured to attach to the stump of an amputee; c) a rod having a shank extending from the connector through the foot member at the ankle section to an opposite side of the foot member opposite the connector; d) a spring disposed on the shank of the rod on the opposite side of the foot member opposite the connector, the spring being compressible by the rod when an axial load is applied to the rod; and e) a wear plate disposed between the connector and the foot member, the connector having a lower surface that contacts and rubs against the upper surface of the wear plate, wherein the wear plate has a smaller lateral width than the lower surface of the connector with a front edge being substantially flush with a front edge of the connector.