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Quantitative biological sampling flocking swab

A biological sampling and swab technology, applied in the field of biological experimental equipment, can solve the problems of swabs that cannot be quantitatively sampled, the swab head is easy to fall off, and the sample adsorption capacity is low.

Active Publication Date: 2011-06-08
JIANGSU CITOTEST LABWARE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the traditional biological sampling swab cannot be quantitatively sampled, the sample adsorption capacity is low, and the swab head is easy to fall off and unsafe

Method used

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  • Quantitative biological sampling flocking swab
  • Quantitative biological sampling flocking swab
  • Quantitative biological sampling flocking swab

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example as figure 1 , figure 2 , image 3 As shown, the present embodiment provides a quantitative biological sampling flocking swab, including a swab rod 1 and a swab head, and the end of one end of the swab rod 1 is set as a ring-shaped support 4, or the swab The end portions at both ends of the rod 1 are respectively arranged as ring-shaped brackets 4, and the ring shape of the ring-shaped bracket 4 in this embodiment is set as a circular ring, or can also be set as an elliptical ring, a three-sided ring, or a polygonal ring with at least three sides. ; The cross-section of the 4 cylinders of the ring-shaped bracket is set to be circular, or it can also be set to be elliptical or polygonal.

[0030] The diameter of the inner ring of the annular stent 4 in this embodiment can be set within the range of 1.25-10 mm, and in this embodiment it is set at 3.91 mm; the diameter of the cross-section of the cylinder of the annular stent 4 can be set within the range of 0.2-...

Embodiment 2

[0033] Embodiment 2, the diameter of the inner ring of the annular support 4 is 5 mm, the diameter of the cross-section of the cylindrical body of the annular support 4 is 1.5 mm, and the effective flocking area of ​​the base material of the annular support 4 is 74 mm 2 , nylon fiber length 1.5 mm, fiber fineness 6.67 dtex, fiber density of flocking layer 2 328 μg / mm 2 , the volume of adsorbed liquid is 110 μl (H 2 O@25°C), and the rest are the same as in Example 1.

Embodiment 3

[0034] Embodiment 3, the diameter of the inner ring of the annular support 4 is 1.5 mm, the diameter of the cross-section of the cylindrical body of the annular support 4 is 0.5 mm, and the effective flocking area of ​​the base material of the annular support 4 is 7.39 mm 2 , nylon fiber length 1.0 mm, fiber fineness 1.5 dtex, fiber density of flocking layer 2 109 μg / mm 2 , the volume of adsorbed liquid is 20 μl (H 2 O@25°C), and the rest are the same as in Example 1.

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Abstract

The invention provides a quantitative biological sampling flocking swab. The swab comprises a swab rod and a swab head, wherein the swab head is a flocking layer covered on the end part of the swab rod; an annular support structure is arranged on end part of one end or two ends of the swab rod; and the flocking layer is covered on the surface of the annular support. The quantitative biological sampling flocking swab can be used for realizing large sampling amount, and controlling l the volume of quantitatively adsorbed liquid to be a set value in a range of between 10 and 200mu l; and the swab head has less possibility of falling off, is convenient to use, and has good safety.

Description

technical field [0001] The invention relates to a biological experiment equipment, in particular to a quantitative biological sampling flocking swab. Background technique [0002] In the field of biology, the collection and transfer of biological samples (including biological cells and biomolecules) is the primary condition for effective laboratory inspection. Among many biological sample collection and transfer technologies, swab sampling is the most commonly used and The most convenient sampling technology, among which the sampling swab is the most critical sampling equipment. Composing the sampling transfer system equipment around the sampling swab can complete the experimental process of reliably collecting biological samples from the sampling site and safely transferring them to the laboratory. [0003] At present, the structure of a commonly used biological sampling swab includes a swab shaft and a swab head. The swab rod is a rod-shaped cylinder made of a material w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/02
Inventor 李安生吴窈画谈书华何中华范超超
Owner JIANGSU CITOTEST LABWARE MFG
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