Osmotic membrane and vacuum system for artificial limb
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United States of America Patent
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Dec 13, 2005
Grant Date -
Jun 16, 2005
app pub date -
Jan 27, 2005
filing date -
Jun 3, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for removing perspiration from a residual limb inserted in a prosthesis comprising an nonporous prosthesis socket, a porous thin sheath adjacent the socket, a nonporous liner adjacent the sheath, an osmotic membrane adjacent the liner allowing water vapor to pass from the limb but preventing liquid from passing to the limb, a nonporous seal that prevents air leakage between the residual limb and the socket; and, a vacuum source to reduce the pressure in a space between the limb and socket. A method of removing perspiration from a residual limb in a prosthesis.
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