Keith L Longino

US Patent:

7819926, Oct 26, 2010

Filed:

Aug 29, 2008

Appl. No.:

12/231107

Inventors:

Keith Longino - Los Angeles CA, US

International Classification:

A61F 2/64
A61F 2/66

US Classification:

623 47, 623 53

Abstract:

The present invention discloses a prosthetic foot and ankle, comprising an ankle assembly coupled with a foot assembly by an arch suspension yoke, with the ankle assembly enabling primary articulations of the foot assembly and the pre-orientation thereof in relation to a vertical axis. Further, the foot assembly having a plantar surface and a dorsal surface includes a heel coupled with a fore foot by the arch suspension yoke, with the arch suspension yoke enabling secondary articulations of the foot assembly. Prosthetic foot and ankle further includes leaf springs and elastomer springs enabling tertiary articulations throughout the prosthetic foot and ankle.