Capillary flow control in a medical diagnostic device
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United States of America Patent
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Dec 3, 2002
Grant Date -
N/A
app pub date -
Mar 31, 2000
filing date -
Mar 31, 2000
priority date (Note) -
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Abstract
A medical diagnostic device for measuring an analyte concentration in a sample of a biological fluid includes a capillary flow channel in the device to convey the sample from an inlet to a second region. The flow channel has a capillary dimension in at least one direction. A stop junction in the flow channel has a boundary region that has a dimension that is greater in that direction and forms an angle that points toward the sample inlet.
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