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Prosthetic foot with tunable performance

  • US 7,374,578 B2
  • Filed: 09/26/2002
  • Issued: 05/20/2008
  • Est. Priority Date: 03/30/2001
  • Status: Expired due to Fees
First Claim
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1. A prosthetic foot comprising:

  • a longitudinally extending foot keel having forefoot, midfoot and hindfoot portions;

    a resilient calf shank secured to the foot keel at a lower end thereof and extending upwardly from the foot keel defining an integrated ankle joint area and the lower prosthetic part of a leg;

    wherein the lower end of the calf shank is in the form of a spiral above the hindfoot portion of the foot keel, the calf shank extending substantially vertically upward anteriorly from the spiral to an upstanding upper end thereof.

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