Dialysis system having optical flowrate detection
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United States of America Patent
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Aug 16, 2011
Grant Date -
Aug 21, 2008
app pub date -
Feb 15, 2007
filing date -
Feb 15, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A medical fluid machine includes an enclosure; a disposable unit accepted by the enclosure, the disposable unit including a conduit through which a medical fluid can flow, the conduit including a viewing portion; a light source configured and arranged to emit light onto the viewing portion of the conduit; a camera focused on the viewing portion of the conduit; and a processor configured to determine a speed of a particle entrained in the medical fluid based on at least two images of the particle in the viewing area taken by the camera.
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