Patent ID: 9168158
Filing Date: 2015-10-27
Classification: A61F

Abstract:
1. A prosthetic foot, comprising: a foot member having an upper surface and a lower surface, the lower surface defining a concave contoured arch portion that faces a support surface that the prosthetic foot contacts during use, the foot member comprising an elongate plate extending in a posterior to anterior direction from a rear end to a front end; and a foot cover configured to receive and contact the foot member therein, the foot cover comprising an upper opening and an interior volume defining an upper interior surface, the foot member being insertable through said upper opening into said interior volume, wherein insertion of the foot member into the foot cover through the upper opening places the lower surface of the foot member into contact with the upper interior surface, the upper interior surface configured to contact the lower surface of the foot member over an entire length of the concave contoured arch portion when the lower surface of the foot member is placed into contact with the upper interior surface and during ambulation of the prosthetic foot, the upper interior surface having an upper convex surface, wherein the upper convex surface is curved over the entire length of the upper convex surface and corresponds in shape with the concave contoured arch portion of the foot member, the upper interior surface configured to facilitate a rollover of the prosthetic foot in at least one of a lateral-medial and medial-lateral direction during ambulation; wherein the concave contoured arch portion is defined between anterior and posterior inflection points beyond which the lower surface is no longer concave, the lower surface gradually transitioning from the concave contoured arch portion to a convex contoured heel section posterior to the concave contoured arch portion and the upper interior surface configured to contact the entire arch portion from the anterior inflection point to the posterior inflection point.