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Method and apparatus for transferring a portion of a liquid contained in a container

A part, container technology, applied in the field of transfer and containment in the general sense of the container

Active Publication Date: 2018-07-27
BIOMERIEUX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the device described in this patent enables the buffer contained in the cartridge to be added to the medium contained in the kapoor, this device does not allow easy and rapid extraction of a portion of the liquid contained in the container

Method used

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  • Method and apparatus for transferring a portion of a liquid contained in a container
  • Method and apparatus for transferring a portion of a liquid contained in a container
  • Method and apparatus for transferring a portion of a liquid contained in a container

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Embodiment Construction

[0037] if available at figure 1 and figure 2 As more clearly seen in , the invention relates to a device 1 for transferring a portion of a liquid 2 contained in a container 3 conventionally in the form of a tube closed by a stopper 4 . In a preferred application, the container 3 is a tube for taking a blood sample under vacuum, but it is clear that the device of the invention is suitable for extracting a part of the contents of a container other than in the form of a sample tube.

[0038] According to a characteristic of the invention, the container 3 is adapted to have a hollow needle 5 penetrating it, so that a part of the liquid contained in the container is transferred or extracted through the needle. In a preferred application of a blood sample tube, a stopper 4 such as a septum can be pierced by a hollow needle 5 . as in figure 2 and Figure 5 As can be seen more clearly in , the hollow needle 5 has a distal end 6 for penetrating the stopper 4 of the container and ...

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PUM

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Abstract

A device for transferring a portion of a liquid contained in a container, the device having a hollow needle for penetrating through the plug of the container; a pressure chamber for pressurizing a fluid, the chamber having the needle passing therethrough and being provided with a septum; and an approach system for causing the hollow needle and the septum to approach each other so as to increase the pressure of the fluid as a result of the approach.

Description

technical field [0001] The invention relates to the technical field of transferring a portion of a liquid in general contained in a container in general and in particular provided with a stopper penetrable by a hollow needle. [0002] The invention finds application particularly but not exclusively preferably in the biological field and in particular in the extraction of plasma from blood contained in a container provided with a stopper. Background technique [0003] In a preferred field of application of the present invention, it is common practice to recover the blood sample in a container in the form of a tube closed by a stopper, such as a septum, which can be pierced by a hollow needle. Various solutions have been proposed for obtaining plasma from such blood samples. Among other techniques, those solutions rely on two specific techniques for extracting plasma from whole blood, namely filtration and centrifugation. [0004] Separation of plasma by centrifugation requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/00
CPCB01L3/502B01L3/50825B01L2200/0631B01L2300/042B01L2300/044B01L2300/0672B01L2300/0681B01L2300/0832B01L2300/0861B01L2400/0478B01L2400/0487B01L2400/0683G01N1/34G01N33/491
Inventor 佛德立克·富考尔特
Owner BIOMERIEUX SA