Fluidic device for medical diagnostics
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United States of America Patent
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-
Apr 4, 2006
Grant Date -
Aug 21, 2003
app pub date -
Dec 26, 2002
filing date -
Jul 20, 1998
priority date (Note) -
In Force
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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