A hypobarically-controlled artificial limb (10) for amputees includes a single socket with a volume and shape to receive a substantial portion of the residual limb. A seal (140) between the socket and the residual limb. A sealed cavity (62) 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 (92) for a hypobarically-controlled socket for an artificial limb, with: a) an inner layer (92) contacting the residual limb; b) an outer fabric layer (130) engaging the inner layer; and c) an annular seal (140) 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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