Device and method for in-line blood testing using biochips
First Claim
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1. An in-line screening capture device for in-line screening of blood collected from a donor using a collection needle connected by a collection duct to a collection bag, comprising:
- an inlet for blood collected from the collection needle;
a biochip unit that captures target agents or molecules from the blood; and
an outlet that drains the blood from the in-line screening capture device to the collection duct,wherein chambers of the in-line screening capture device through which the blood flows have a cross-sectional area that is no smaller than that of the collection duct, andwherein the flow rate of the blood flowing through the in-line screening device is equal to the flow rate of blood collected in the absence of the device.
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Abstract
A device for in-line blood screening and testing using biochips is disclosed. The screening methods include nucleic acid amplification techniques and antibody/antigen assays to detect target molecules and agents indicative of infectious diseases or metabolic diseases.
81 Citations
54 Claims
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1. An in-line screening capture device for in-line screening of blood collected from a donor using a collection needle connected by a collection duct to a collection bag, comprising:
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an inlet for blood collected from the collection needle; a biochip unit that captures target agents or molecules from the blood; and an outlet that drains the blood from the in-line screening capture device to the collection duct, wherein chambers of the in-line screening capture device through which the blood flows have a cross-sectional area that is no smaller than that of the collection duct, and wherein the flow rate of the blood flowing through the in-line screening device is equal to the flow rate of blood collected in the absence of the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An in-line screening capture device for in-line screening of blood collected from a donor using a collection needle connected by a collection duct to a collection bag, comprising:
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an inlet for blood collected from the collection needle; a biochip unit that captures target agents or molecules from the blood; and an outlet that drains the blood from the in-line screening capture device to the collection duct, wherein chambers of the in-line screening capture device through which the blood flows have a cross-sectional area that is no smaller than that of the collection duct, wherein the flow rate of the blood flowing through the in-line screening device is roughly equal to the flow rate of blood collected in the absence of the device, wherein the biochip unit comprises a first biochip and a second biochip that are sequentially arranged between the inlet and the outlet, and wherein the first and second biochips comprise microarrays in which the analytes that bind to the target agent or molecule, if present in the blood, are arranged along the length of the biochips in the direction of blood flow over the first and second biochips, respectively.
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23. An in-line screening system for in-line screening of blood collected from a donor using a collection needle connected by a collection duct to a collection bag, comprising:
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an in-line screening capture device comprising; an inlet for blood collected from the collection needle; a biochip unit that captures target agents or molecules from the blood; and an outlet that drains the blood from the in-line screening capture device to the collection duct, wherein chambers of the in-line screening capture device through which the blood flows have a cross-sectional area that is no smaller than that of the collection duct; wherein the flow rate of the blood flowing through the in-line screening device is roughly equal to the flow rate of blood collected in the absence of the device, and at least one biochip processor for detecting at least one captured target agent or molecule. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A method of in-line screening of blood collected from a donor using a collection needle connected by a collection duct to a collection bag, comprising:
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providing a screening capture device comprising;
an inlet for blood collected from the collection needle, a biochip unit that captures a target agent or molecule from the blood, and an outlet that drains the blood from the screening capture device to the collection duct;inserting the screening capture device between the collection needle and the collection duct proximate to the collection needle so that blood flowing through the screening capture device is approximately at a human body temperature; and allowing blood to flow through said screening capture device wherein the flow rate of the blood flowing through the screening capture device is equal to the flow rate of blood collected in the absence of the device. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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Specification