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Liquid sampling device

A sampler and liquid technology, applied in the field of medical devices, can solve the problems of inaccurate control of blood collection volume, secondary infection, complexity, etc., and achieve the effect of delaying siphoning and reducing the cumbersome steps of sampling and pipetting

Active Publication Date: 2015-01-14
GUANGZHOU WONDFO BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this method, there are two steps from blood collection to blood collection. The tools required include blood collection device, liquid sampler, and pipette gun, which are relatively complicated.
Moreover, blood collection has a potential risk of secondary infection for medical staff. The more steps, the more tools that need to be used, the greater the chance of infection
In addition, if the blood collection volume cannot be accurately controlled by using the existing liquid sampler, it is easy to cause waste of samples

Method used

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  • Liquid sampling device
  • Liquid sampling device
  • Liquid sampling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] See figure 1 , figure 2 and image 3 , figure 1 It is a schematic structural diagram of a liquid sampler in an embodiment of the present invention; figure 2 It is a schematic diagram of the internal cross-sectional structure of the liquid sampler in the embodiment of the present invention; image 3 It is an enlarged structural diagram of the blocking channel in the liquid sampler of Embodiment 1.

[0028] The liquid sampler provided by the embodiment of the present invention includes a sampler main body 1, on which a siphon tube 2, a blocking channel 3, a liquid storage chamber 4 and a connecting sleeve 5 are arranged, wherein:

[0029] The siphon tube 2 communicates with the liquid storage chamber 4 through the blocking channel 3;

[0030] The siphon tube 2 is arranged at the bottom of the sampler main body 1, and the siphon tube 2 siphons the liquid sample;

[0031] The blocking channel 3 includes a front section tube 31 connected with the siphon tube 2 and a ...

Embodiment 2

[0043] Seefigure 1 , figure 2 and Figure 4 , figure 1 It is a schematic structural diagram of a liquid sampler in an embodiment of the present invention; figure 2 It is a schematic diagram of the internal cross-sectional structure of the liquid sampler in the embodiment of the present invention; Figure 4 It is an enlarged structural diagram of the blocking channel in the liquid sampler of Embodiment 2.

[0044] The liquid sampler provided by the embodiment of the present invention includes a sampler main body 1, on which a siphon tube 2, a blocking channel 3, a liquid storage chamber 4 and a connecting sleeve 5 are arranged, wherein:

[0045] The siphon tube 2 communicates with the liquid storage chamber 4 through the blocking channel 3;

[0046] The siphon tube 2 is arranged at the bottom of the sampler main body 1, and the siphon tube 2 siphons the liquid sample;

[0047] The blocking channel 3 includes a front section tube 31 connected with the siphon tube 2 and a ...

Embodiment 3

[0058] See Figure 5 , which is a schematic structural diagram of the liquid sampler in Embodiment 3 of the present invention.

[0059] The liquid sampler provided by the embodiment of the present invention includes a sampler body 1, on which a siphon tube 2, a blocking channel 3, a liquid storage chamber 4 and a straw bubble 7 are arranged, wherein:

[0060] The siphon tube 2 communicates with the liquid storage chamber 4 through the blocking channel 3;

[0061] The siphon tube 2 is arranged at the bottom of the sampler main body 1, and the siphon tube 2 siphons the liquid sample;

[0062] The top of the liquid storage chamber 4 communicates with the straw bulb 7 .

[0063] The structure of the blocking channel of the liquid sampler in this embodiment is the same as that in Embodiment 1 or Embodiment 2.

[0064] The liquid sampler can pipette the liquid siphoned up by pressing the air bubble on the straw bubble 7, and the amount of liquid extracted can be controlled by the...

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Abstract

The invention discloses a liquid sampling device. According to the liquid sampling device, a siphon is used for sucking a liquid sample by siphoning effect to carry out sampling; the liquid sample does not drop off even if a pipetting tool is not arranged, so that blood sampling and pipetting functions can be realized and can be finished by one step, and furthermore, troubles that sampling and pipetting are carried out in different steps in an experimentation process are reduced; when the whole siphon is filled with the liquid, the pipe diameter of a front-section pipe of a blocking channel is less than the pipe diameter of the siphon so as to delay the siphoning effect of the siphon; meanwhile, the pipe diameter of a rear-section pipe of the blocking channel is enlarged suddenly and is greater than the pipe diameter of the front-section pipe and the siphon, so as to stop the siphoning effect of the siphon; and the siphoning effect is stopped at the position of the rear-section pipe of the blocking channel so as to accurately control the sample amount of the sucked liquid.

Description

technical field [0001] The invention relates to the field of medical instruments, specifically a liquid sampler. Background technique [0002] At present, the existing liquid sampler can only realize the sampling of the sample liquid by connecting the pipette gun, and cannot independently sample the sample liquid or move the sample liquid to other places. If you use this liquid sampler for blood testing, you generally need to use the blood sampler to collect blood first, then connect the liquid sampler to a pipetting tool such as a pipette gun, and then insert the liquid sampler into the blood sampler Perform liquid pipetting. With this method, it needs to be divided into two steps from blood collection to blood collection, and the required tools include blood collection device, liquid sampler, and pipette gun, which are relatively complicated. Moreover, blood collection has a potential risk of secondary infection for medical staff. The more steps, the more tools that need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
Inventor 龙晖周楠罗宏王继华
Owner GUANGZHOU WONDFO BIOTECH