Prosthetic foot with tunable performance
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United States of America Patent
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-
Aug 7, 2012
Grant Date -
Nov 13, 2008
app pub date -
Apr 1, 2005
filing date -
Mar 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A prosthetic foot and lower part of leg has a semi-rigid, resilient foot keel extending in a longitudinal direction and a semi-rigid, resilient leg portion attached at a lower end to the foot keel. The leg portion includes a plurality of resilient leaf spring type members which are spaced apart in the sagittal plane intermediate their upper and lower ends and which are coupled together at their upper and lower end portions. The members are anterior facing convexly curved at their lower ends forming an ankle joint area and extend upwardly above in a substantially anterior facing convexly curve to a substantially vertically oriented upper end which is displaced substantially in the longitudinal direction in amputee gait for improved dynamic response.
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