Surgical cassette having an aspiration pressure sensor
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United States of America Patent
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Nov 8, 2005
Grant Date -
Oct 9, 2003
app pub date -
Apr 4, 2003
filing date -
Nov 10, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The flow channel projects outwardly from the exterior of the cassette so that a peristaltic pump having pump head rollers mounted radially from the axis of rotation of the pump motor compress the elastomeric flow channels against the rigid substrate during operation.
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