IDENTIFICATION OF SEPARATED COMPONENTS IN CENTRIFUGED BLOOD USING MEASURED PRESSURE

IDENTIFICATION OF SEPARATED COMPONENTS IN CENTRIFUGED BLOOD USING MEASURED PRESSURE

A method for determining a condition in a blood sample includes: providing a sample of blood; providing a metering probe having a pump for aspirating and dispensing; inserting the metering probe a selected distance into the blood sample; measuring the pressure between the sample and pump during samp...

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Hauptverfasser: MCDONALD, TRACY, PAROBEK, CHRISTOPHER M, HYDE, DAVID D, LACOURT, MICHAEL W
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator MCDONALD, TRACY
PAROBEK, CHRISTOPHER M
HYDE, DAVID D
LACOURT, MICHAEL W
description A method for determining a condition in a blood sample includes: providing a sample of blood; providing a metering probe having a pump for aspirating and dispensing; inserting the metering probe a selected distance into the blood sample; measuring the pressure between the sample and pump during sample aspiration or sample dispense; comparing the measured pressure with a reference value; and signaling the presence or absence of the condition. A method for confirming or detecting the presence of a selected layer of blood component in a centrifuged blood sample includes: measuring a pressure of a suspected selected layer in a metering probe during aspiration or dispense; comparing the measured pressure with a reference value, wherein if the measured pressure and the reference value are substantially identical then the selected layer of the blood component is confirmed. In a preferred embodiment the reference value is a pre-selected pressure range. Blood components include packed red blood cells (PRBC) or plasma.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title IDENTIFICATION OF SEPARATED COMPONENTS IN CENTRIFUGED BLOOD USING MEASURED PRESSURE
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