Blood flow
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United States of America Patent
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-
Dec 13, 1994
Grant Date -
N/A
app pub date -
Feb 20, 1992
filing date -
Jun 20, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A provision of improving the flow of blood through a region of increased impedance is disclosed. The provision comprises assisting blood flow is said region by means of a pump placed in or around a blood vessel supplying blood to said area, and acting to pump blood in the required direction. The pump (1) comprises, in one embodiment, a housing (2) annularly surrounding a compressible conduit (3), said housing (2) containing a plurality of flexible inflatable containers (4) mounted for contact with said conduit (3) (e.g. a blood vessel) and means for effecting sequential inflation and deflation of said containers (4) so as to create a peristaltic pumping effect.
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