Method and apparatus for monitoring blood components
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United States of America Patent
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-
Mar 7, 1989
Grant Date -
N/A
app pub date -
Aug 24, 1987
filing date -
Aug 24, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Monitoring concentration of components of blood flowing through a flowpath including flowing the components through a transparent channel, directing light to the channel along an axis intersecting the channel, detecting light passing through the channel along the axis, detecting light scattered off of the axis, and determining concentration of components based on the light passing along the axis and/or the light scattered off of the axis. Also disclosed is a movable cover to block ambient light from a photodetector after mounting of a removable transparent flow channel.
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