Patent ID: 6514293
Filing Date: 2003-02-04
Classification: A61F

Abstract:
A prosthetic foot to be connected to a pylon that is utilized for the substitution of the shinbone of an amputee, comprising:an ankle portion to be secured to the pylon; a sole portion; a plurality of curved portions connecting said ankle portion with said sole portion, including: a first curved portion having a first predetermined radius of curvature and extending from a forward facing end of said ankle portion; a second curved portion having a second predetermined radius of curvature and extending from a rearward facing end of said sole portion; and a planar portion having a first predetermined length and connecting the other ends of said first curved portion and said second curved portion; a first connecting portion connecting the first curved portion with said planar portion; a second connecting portion connecting a heel portion with said sole portion; and a third connecting portion connecting said sole portion with said toe portion, wherein said first, second and third connecting portions respectively having predetermined fillet radii so as to reduce the concentration of stresses, and wherein said ankle portion, said sole portion, said plurality of curved portions and said planar portion have substantially the same constant thickness.