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Sucker for pipettor

A pipette and suction port technology, applied in the field of pipettes, can solve problems such as operation influence and suction port blockage, and achieve the effect of improving efficiency and saving experimental time.

Pending Publication Date: 2018-05-01
浙江懿康医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When absorbing liquid, it is necessary to extend the suction head into the liquid. If clots and other phenomena appear in the liquid, the suction port of the suction head will be blocked, which will affect the operation of the experiment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] combine Figure 1 to Figure 5 , to describe this embodiment in detail. In this embodiment, the diameter of the liquid suction port is 0.5 mm, and the distance between the two intersection lines is 0.2-0.4 mm, which is 0.35 mm in this embodiment. The range of the included angle between the first cut plane and the second cut plane is 18-20°, and 19° is selected in this embodiment. The distance between the apex of the opening and the liquid-absorbing end surface is 0.4-1.0 mm, and in this embodiment, it is 0.6 mm. The distance between the vertices of the first cut plane and the second cut plane and the liquid-absorbing end face is 3-6 mm, which is 3.5 mm in this embodiment.

Embodiment 2

[0026] In this embodiment, the diameter of the liquid suction port is 0.5 mm, and the distance between the two intersection lines is 0.2-0.4 mm, which is 0.2 mm in this embodiment. The range of the included angle between the first cut plane and the second cut plane is 18-20°, and 18° is selected in this embodiment. The distance between the apex of the opening and the liquid-absorbing end surface is 0.4 mm, and in this embodiment, it is 0.6 mm. The distance between the vertices of the first cut plane and the second cut plane and the liquid-absorbing end face is 3-6 mm, which is 3 mm in this embodiment.

Embodiment 3

[0028] In this embodiment, the diameter of the liquid suction port is 0.5 mm, and the distance between the two intersection lines is 0.2-0.4 mm, which is 0.4 mm in this embodiment. The range of the included angle between the first cut plane and the second cut plane is 18-20°, and 20° is selected in this embodiment. The distance between the apex of the opening and the liquid-absorbing end surface is 1.0 mm, which is 0.6 mm in this embodiment. The distance between the vertices of the first cut plane and the second cut plane and the liquid-absorbing end face is 3-6 mm, which is 6 mm in this embodiment.

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Abstract

The invention discloses a sucker for a pipettor. The sucker comprises a sucker end part, wherein a liquid suction end surface is arranged on the sucker end part; a liquid suction opening is formed inthe liquid suction end surface; a first opening is formed in the sucker end part and is communicated with the liquid suction opening. The first opening is formed by cutting the sucker end part througha first section. The sucker has the advantages that the liquid suction opening is formed in a liquid suction end and comprises an end surface opening and a side surface opening, so that the phenomenon of blocking of the liquid suction opening cannot occur when curds exist in liquid, experiments can be normally conducted, experimental time is saved, and the efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of pipettes, in particular to a suction head for pipettes. Background technique [0002] In medical treatment, medicine, gene and protein research or blood analysis, it is often necessary to use a pipette to manipulate experimental samples in various devices, which uses a pipette to suck a certain volume of liquid into the pipette. When aspirating liquid, it is necessary to extend the suction head into the liquid. If clots and other phenomena appear in the liquid, the liquid suction port of the suction head will be blocked, which will affect the operation of the experiment. Contents of the invention [0003] The purpose of the present invention is to provide a suction head for a pipette, which can still absorb liquid normally when the liquid to be sucked has clots, so that the experiment can be carried out normally. [0004] For solving the problems of the technologies described above, the purpose of the ...

Claims

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Application Information

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IPC IPC(8): B01L3/02
CPCB01L3/021B01L3/0275B01L2200/14
Inventor 陈宁
Owner 浙江懿康医疗科技有限公司
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