×

Prosthetic foot with an adjustable ankle and method

  • US 7,462,201 B2
  • Filed: 10/20/2004
  • Issued: 12/09/2008
  • Est. Priority Date: 10/21/2003
  • Status: Active Grant
First Claim
Patent Images

1. A prosthetic foot device with an adjustable ankle, comprising:

  • a) an attachment member configured to be coupled to a socket of an amputee;

    b) a foot member, coupled to and adjustable with respect to the attachment member, the foot member having heel and toe sections, and being pivotal and displaceable in;

    i) a downward and forward direction in which the toe section pivots downward and the heel portion simultaneously displaces forward with respect to the attachment member; and

    ii) a rearward and upward direction in which the toe section pivots upward and the heel portion simultaneously displaces rearward with respect to the attachment member;

    c) an arcuate slot, associated with one of the attachment member or foot member;

    d) an arcuate projection, associated with the other of the foot member or attachment member, and slidably disposed in the arcuate slot;

    e) a tractor bolt, rotatably disposed between the attachment member and the foot member;

    f) a spool, carried by the attachment member or the foot member, and rotatably disposed on the tractor bolt and movable with respect to the tractor bolt as the tractor bolt rotates; and

    g) a motor, coupled to the tractor bolt and capable of rotating the tractor bolt.

View all claims
  • 9 Assignments
Timeline View
Assignment View
    ×
    ×