Prosthetic foot with tunable performance
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United States of America Patent
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N/A
Issued Date -
Feb 9, 2006
app pub date -
Sep 26, 2005
filing date -
Mar 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A prosthetic foot (190) incorporates a foot keel (192) and a resilient calf shank (193) with its lower end connected to the foot keel to form an ankle joint of the prosthetic foot. The calf shank extends upward from the foot keel by way of an anterior facing convexly curved portion (195) of the shank, and is secured to the foot keel by way of a coupling element (194). The lower end of the shank is reversely curved (196) and housed by a reversely curved portion of the coupling element. A posterior calf device (191) has a cable (204) which is untensioned in a normal gait cycle but tensioned by a force loading on the prosthesis greater than 120% of body weight of the user to limit, e.g. stop, further anterior motion of the upper end of the shank.
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