Peristaltic pump adapted to operate simultaneously on two lines
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United States of America Patent
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-
Nov 12, 1991
Grant Date -
N/A
app pub date -
Jun 13, 1989
filing date -
Jun 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A peristaltic pump is described for operating simultaneously on two fluid lines having different wall thicknesses comprising a rotatable head having rollers and enclosed within a hollow body. The hollow body has a central axis with an internal first cylindrical surface portion at a first radius R from the axis, and a second cylindrical surface portion at a second radius r from the axis. The interspace between the periphery of the respective roller and the respective cylindrical surface portion is arranged to perfectly occlude the respective different sized fluid line.
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