Dynamically Activated Variable Response Socket with Hydraulic Pump
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United States of America Patent
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app pub date -
Jan 9, 2012
filing date -
Jun 3, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hydraulically-driven vacuum pump is used for a prosthetic or orthotic artificial limb for amputees having a residual limb. The artificial limb has a pylon and a socket for receiving the residual limb. The vacuum pump is connected to the socket and mounted in-line on the pylon. An upper portion housing of the vacuum pump is connected to the vacuum pump by a port. A lower portion housing of the vacuum pump reciprocates within the upper housing portion and is connected to a piston of the hydraulic pump. The weight of the amputee bears on the pylon and drives the lower portion within the upper portion thereby driving the hydraulic pump.
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