Cell analysis apparatus
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United States of America Patent
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Dec 14, 1993
Grant Date -
N/A
app pub date -
Feb 26, 1992
filing date -
Mar 20, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to an apparatus for analyzing cells in a biological liquid sample, such as blood, in which apparatus a flow passage in a sample pretreatment system can be shortened with a simple construction. A sample metering chamber, a mixing chamber and a measurement liquid extracting chamber are formed in a rotary sliding member of a pretreatment portion. The rotary sliding member is intermittently rotated so as to shift a sample from one chamber to another to perform a necessary treatment. Fluorescence or scattering light with respect to the sample, mixed with a reagent in the pretreatment portion, is detected by a flow cell.
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