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Shielding protective sleeve of micro sample injection needle

A micro-injection, shielding and protection technology, applied in sampling, measuring devices, sampling devices, etc., can solve the problems of radioactive medium operator injury, inability to use micro-injection needles, etc., to achieve convenient operation, avoid rolling, and cooperate closely. Effect

Pending Publication Date: 2021-06-29
SHANGHAI ATOM KEXING PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a shielding protective cover for micro-injection needles, which can solve the problem that the existing micro-injection needles cannot be used in the operation of radioactive media and cause harm to operators

Method used

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  • Shielding protective sleeve of micro sample injection needle
  • Shielding protective sleeve of micro sample injection needle
  • Shielding protective sleeve of micro sample injection needle

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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0038] A shielding protective cover for a micro-injection needle, used in conjunction with the micro-injection needle, such as figure 1 shown, including:

[0039] The main body 1 is in the shape of a hollow cylinder, made of anti-radiation material, the inner diameter matches the outer diameter of the cylinder of the micro-injection needle, and is set on the outside of the cylinder of the micro-injection needle;

[0040] The fixing part 2 is made of anti-radiation material, connected to the end of the main body 1, and is used for clamping the support part at the end of the barrel of ...

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Abstract

The invention relates to a shielding protective sleeve of a micro sample injection needle. The shielding protective sleeve comprises a main body which is in the shape of a hollow cylinder and is made of an anti-radiation material, wherein the inner diameter of the main body is matched with the outer diameter of a cylinder body of the micro sample injection needle, and the main body sleeves the cylinder body of the micro sample injection needle; and a fixing part which is made of an anti-radiation material, is connected to the tail end of the main body, and is used for clamping a supporting part positioned at the tail end of the cylinder body of the micro sample injection needle so as to limit the relative displacement of the cylinder body of the micro sample injection needle in the main body. Compared with the prior art, the anti-radiation sleeve for the micro sample injection needle is designed, and the problem that an operator is hurt when an existing micro-injection needle micro sample injection needle cannot be applied to radioactive medium operation is solved.

Description

technical field [0001] The invention relates to a small-dose test tool for radiation medicine, in particular to a shielding protective cover for a micro-injection needle. Background technique [0002] A micro-sampling needle is a device that can precisely control sampling and injection. It is widely used in experiments in the field of medicine and chemical engineering, especially in small-dose experiments. [0003] The structure of the micro-sampling needle is similar to that of a syringe, which includes a cylinder, a feeding needle at the head end of the cylinder, and a piston rod. The end of the piston rod is provided with a pressure plate, and the end of the cylinder is provided with a sealing plug. , the sealing plug is provided with a supporting part for installation, and the feeding needle is inserted into the feeding port of the manual injection valve. The cross-sectional area of ​​the barrel of the micro-sampling needle is generally smaller than that of the ordinary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/15G01N1/14
CPCG01N1/14G01N33/15G01N2001/1427
Inventor 段丽艳
Owner SHANGHAI ATOM KEXING PHARMA
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