Precision fluid delivery systems
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United States of America Patent
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Aug 4, 2015
Grant Date -
Aug 23, 2012
app pub date -
Oct 6, 2010
filing date -
Oct 6, 2009
priority date (Note) -
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Abstract
A precision syringe (10) can comprise an annular fluid pathway (16) and annular plunger (12) sealing received within the annular fluid pathway. Various precision pumps (50, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700) are configured for discrete displacement of precise volumes of fluid. The precision pumps can operate by reciprocating movement to expand and contract a cavity (204, 304, 404, 504, 604, 704, 804, 904, 1040, 1104, 1204, 1304, 1404, 1504, 1604, 1704). Fluid can be introduced by movement along an axis or rotation about an axis of one or members forming, in whole or in part, the cavity. Associated methods are also disclosed.
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