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Prosthetic foot with an adjustable ankle and method

  • US 20060041321A1
  • Filed: 10/19/2005
  • Published: 02/23/2006
  • Est. Priority Date: 10/21/2003
  • Status: Active Grant
First Claim
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1. An adjustable ankle device for a prosthetic foot, comprising:

  • a) an upper portion configured to be coupled to a socket of an amputee;

    b) a lower portion, adjustably coupled to the upper portion, configured to be attached to a foot member; and

    c) a movable coupling, disposed between the upper and lower portions, having a projection slidable in an arcuate slot oriented fore and aft, and defining an arcuate displacement path, such that the projection is constrained to slide fore and aft along the arcuate movement path, to restrict movement to;

    i) simultaneously in a downward and forward direction in which the lower portion simultaneously pivots downward and displaces forward relative to the upper portion; and

    ii) simultaneously in a rearward and upward direction in which the lower portion simultaneously pivots upward and displaces rearward relative to the upper portion.

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