Fluidic device for medical diagnostics
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United States of America Patent
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Feb 18, 2003
Grant Date -
N/A
app pub date -
Jun 15, 1999
filing date -
Jul 20, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A fluidic medical diagnostic device permits measurement of analyte concentration or a property of a biological fluid, particularly the coagulation time of blood. The device has at one end a sample port for introducing a sample and at the other end a bladder for drawing the sample to a measurement area. A channel carries the sample from the sample port to the measurement area, and a stop junction, between the measurement area and bladder, halts the sample flow. The desired measurement can be made by placing the device into a meter which measures a physical property of the sample--typically, optical transmittance--after it has interacted with a reagent in the measurement area.
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