Method and apparatus for applying pressure to a body limb for treating edema
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United States of America Patent
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-
Nov 3, 1998
Issued Date -
N/A
app pub date -
Jan 6, 1997
filing date -
Jun 17, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for treating edema by applying pressure to a patient's limb includes a sleeve that is surroundingly engageable with the limb, and the sleeve includes a plurality of flexible open-ended cells for holding respective individually inflatable replaceable bladders. Also, a fluid pump is in fluid communication with each of the bladders. The apparatus also includes a plurality of electrically-operated bladder valves, and each valve is disposed between the pump and a respective one of the bladders for selectively establishing a respective pathway for fluid communication between the pump and the associated bladder. A computer individually controls each valve to variably pressurize the bladders in a variable sequence. The computer also includes means for determining the girth of the limb being treated, and to periodically monitor the apparatus for fluid leaks.
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