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Specimen container and method for separating serum or plasma from whole blood

A technology for sample containers, blood samples, applied in separation methods, laboratory containers, chemical instruments and methods, etc., can solve problems such as sample confusion

Active Publication Date: 2018-09-28
巴布森诊断公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is also a risk of sample confusion if new sample tubes are improperly labeled

Method used

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  • Specimen container and method for separating serum or plasma from whole blood
  • Specimen container and method for separating serum or plasma from whole blood
  • Specimen container and method for separating serum or plasma from whole blood

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Embodiment Construction

[0016] Throughout the description and claims, various terms referring to aspects of the specification are used. Unless otherwise indicated, such terms are given their ordinary meanings in the art. Other specifically defined terms are to be interpreted in a manner consistent with the definitions provided herein.

[0017] As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural references unless the content clearly dictates otherwise.

[0018] As used herein, the term "about" when referring to a measurable value such as an amount is intended to encompass a variation of up to ±30% from the stated value as such variations are suitable for performing the disclosed methods. Unless otherwise indicated, all numerical expressions of properties such as volume etc. used in the specification and claims are to be understood as being modified in all instances by the term "about". Accordingly, unless indicated to the contrary, the numeri...

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Abstract

A device and method for separating serum or plasma from blood cells in a whole blood specimen. The present invention uses a cap with a reservoir, such that blood cells are packed into the cap when thespecimen container is centrifuged. When the cap is removed, the blood cells are also removed, and the serum or plasma is left in the specimen tube where it can be readily extracted by a pipette whichis able to reach all the way to the bottom of the specimen tube, thereby minimizing the dead volume.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 62 / 266,433, filed December 11, 2015, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to devices and methods for separating serum or plasma from whole blood. Background technique [0004] Many in vitro diagnostic testing systems and protocols require the use of blood samples devoid of blood cells in order to perform diagnostic tests. These diagnostic tests use serum or plasma, which is separated from whole blood using techniques such as centrifugation or filtration. [0005] Serum can be separated from whole blood by first allowing the blood to clot and then centrifuging the sample to move all blood cells to the bottom of the sample tube. Plasma can be separated from whole blood by first mixing the whole blood with an anticoagulant such as lithium heparin or potassium EDTA, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/15A61B10/00B01L3/14B65D39/04
CPCB01L3/5021B01D17/0217G01N33/491B01L2300/042B01L2300/044B01L2300/047A61B5/15003A61B5/154B01L3/50215G01N21/07B01D21/26B01L2300/0832
Inventor E.奥尔森
Owner 巴布森诊断公司