Apparatus for inducing venous-return flow from the leg
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United States of America Patent
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Jun 27, 1989
Issued Date -
N/A
app pub date -
Aug 20, 1987
filing date -
Oct 15, 1985
priority date (Note) -
Expired
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Abstract
Venous blood flow in a non-ambulating human leg is involuntarily promoted in a repeating cycle of successively actuated venous pumps, in imitation of the pump-actuating sequence which characterizes normal walking. Specifically, in the preferred embodiment, the proximal calf pump and the distal calf pump are operated, in that sequential order, following a given operation of the foot pump and prior to the next successive operation of the foot pump.
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