Socket liner for artificial limb
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United States of America Patent
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Jan 21, 2003
Issued Date -
N/A
app pub date -
Jan 27, 2000
filing date -
Jun 3, 1999
priority date (Note) -
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Abstract
A hypobarically-controlled artificial limb for amputees includes a single socket with a volume and shape to receive a substantial portion of the residual limb. A sealed cavity is formed between the socket and the residual limb. Optionally, the wearer may use a liner over the residual limb for comfort. A vacuum source is connected to a vacuum valve connected to the cavity to suspend the artificial limb from the residual limb and to control and minimize volumetric and fluid changes within the residual limb. A liner for a hypobarically-controlled socket for an artificial limb, with: a) an inner layer contacting the residual limb; b) an outer fabric layer engaging the inner layer; and c) an annual seal extending outwardly from the outer fabric layer and sealingly engaging the suspension sleeve, thereby making a seal between the residual limb and the socket to minimize air leakage into the cavity.
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