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Holding needle comprising gripping cheeks

A flange and needle technology, applied in the direction of needles, guide needles, puncture needles, etc.

Active Publication Date: 2012-01-18
MILLIPORE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011]These needles have limited ergonomic quality as the user's hand must adapt to the shape of the cylinder and plug

Method used

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  • Holding needle comprising gripping cheeks
  • Holding needle comprising gripping cheeks
  • Holding needle comprising gripping cheeks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 and figure 2 Each shows a withdrawal needle according to an embodiment of the present invention.

[0043] figure 1 A double-barreled withdrawal needle is shown comprising a main hollow tube 1 adapted to be used as a fluid passage to withdraw the liquid, a vented hollow tube adapted to inject air into the container containing the liquid to be withdrawn 2. A holding body 3, which defines an inner tube part, which is divided into two sub-tube parts, and each sub-tube part is provided with a plug 4.

[0044] The extracted liquid flows into the main hollow tube 1 and is branched through the plug 4 .

[0045] For example, a tube can be connected to each plug 4 so that the extracted liquid is collected in two different containers.

[0046] As for the venting hollow tube 2 , it is connected via the interior of the holding body 3 to a venting filter 5 which, in the present embodiment, allows sterile air to be injected through the venting hollow tube 2 .

[0047]...

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PUM

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Abstract

A take-off needle comprises a hollow lance having a distal end adapted to perform a insertion operation, said hollow lance being connected to at least one pipe provided with a spigot for it to be connected to a tube, and comprising a body for holding the hollow lance and pipe relative to each other such that the spigot projects from the holding body, said needle further comprising two flanges held on respective sides of and spaced from the holding body by virtue of a spacer disposed between each flange and the holding body, said flanges extending in a longitudinal direction from the spigot tothe vicinity of the proximal end of the hollow lance, the width of each flange being greater than the width of the portion of the holding body facing the flanges.

Description

technical field [0001] The present invention relates to the general field of extraction needles adapted to be inserted or pierced into an elastic wall or partition to extract a liquid contained in a container closed by said wall or partition. [0002] In particular, the invention relates to an extraction needle comprising a hollow tube substantially formed of high-quality steel pipe, provided at the distal end with a sharp insertion end and connected by its proximal end to a tube part. [0003] Thus, the insertion end is adapted to pass through the elastic wall to allow the liquid to flow in the hollow tube towards the tube part, which comprises a plug, which can be connected, for example, to a tube with which the The extracted liquid is collected, for example the liquid is collected in a container. Background technique [0004] Such needles typically include a polymeric retainer molded over the proximal end of the hollow tube, said retainer forming an internal passageway f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/162
CPCA61M5/158A61M5/162Y10T29/49826Y10T29/49897Y10T29/49895Y10T29/49899Y10T29/49892Y10T29/49947A61M2005/1623A61M25/06A61M25/065A61B17/3417A61B17/3421B23P19/04
Inventor 斯特凡娜·奥利维耶热罗姆·热耶热拉尔·穆勒
Owner MILLIPORE CORP