Fluid sensing and control in a fluidic analyzer
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jun 28, 2007
app pub date -
Dec 27, 2005
filing date -
Dec 27, 2005
priority date (Note) -
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Abstract
Instrument-cartridge interfaces for fluidic analyzers that have an instrument and a removable cartridge are disclosed. For example, and in one illustrative embodiment, the instrument may include a needle that is adapted to penetrate a septum on a removable cartridge. In another illustrative embodiment, the instrument may include a plunger that is adapted to deform a deformable membrane on a removable cartridge. In yet another illustrative embodiment, the instrument may include a nozzle that is adapted to mate and seal with a flow channel on a removable cartridge. Techniques for detecting the flow rate in a flow channel on a removable cartridge, as well as the position of fluid in a flow channel of a removable cartridge, are also disclosed.
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