SELF-ADJUSTING PROSTHETIC ANKLE APPARATUS
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United States of America Patent
Stats
-
Sep 3, 2002
Grant Date -
Sep 26, 2002
app pub date -
Mar 23, 2001
filing date -
Mar 23, 2001
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
An auto-adjusting prosthetic ankle apparatus includes a base portion that is pivotally fixed to an attachment portion. The base portion is structured for being fixed to a foot blade, while the attachment portion is structured for fixing the prosthetic ankle apparatus to a lower leg portion of a prosthetic limb. The prosthetic ankle includes a computer controllable damping mechanism that is functionally and mechanically coupled between the base portion and the attachment portion. The damping mechanism enables a damping level to be selectively applied to lightly damp or heavily damp a relative motion between the base portion and the attachment portion as a user is walking to provide an auto-adjusting of the prosthetic ankle to changes in a ground surface being traversed and during various stages of a walking cycle.
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