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Trace sampling device

A sampling device and trace technology, applied in sampling devices, laboratory containers, fluid controllers, etc., can solve problems such as inability to apply a large number of sampling

Active Publication Date: 2019-07-09
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most physical control sampling devices can only perform a single sampling and sample delivery procedure at the same time, so it is not suitable for large-scale sampling

Method used

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Embodiment Construction

[0041] refer to Figure 1 to Figure 3 , a preferred embodiment of the present invention provides a micro-sampling device, which includes a frame 100 and an adapter plate 200 .

[0042] refer to Figure 4 to Figure 8 , in this embodiment, the frame 100 is preferably formed with a horizontal beam 110 arranged horizontally and two upright columns 120 a / 120 b respectively extending upward from both ends of the horizontal beam 110 . One of the columns 120a of the frame 100 is hollow to form a sample chamber 121a for injecting the sample liquid 10, and the liquid level of the sample liquid 10 contained therein is not higher than a predetermined liquid level 122a. The other column 120b of the frame 100 is hollow to form a recovery cavity 121b, and the recovery cavity 121b is preferably connected to a negative pressure source 20a.

[0043] The communication channel 111 is formed inside the horizontal beam 110 such that the communication channel 111 is disposed lower than the sample...

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Abstract

The invention provides a trace sampling device, which comprises a frame, wherein a sample cavity, a connection channel and a resistance conduit are formed in the frame; the connection channel forms asampling cavity; one end of the connection channel is connected with the sample cavity, the connection channel is configured to be lower than the sample cavity, one end of the resistance conduit is connected with the sampling cavity, the other end of the resistance conduit is connected with an output joint, and in addition, the resistance conduit forms discontinuous shape change.

Description

technical field [0001] The invention relates to a sampling device, in particular to a micro sampling device. Background technique [0002] Today's automated biological detection equipment can obtain a quantitative target reagent from a specific reagent storage tank and transfer it to another reaction tank. This sampling procedure is the most important procedure in the overall biochemical reaction. Traditional large-scale equipment usually uses a three-axis robotic arm with a precision sampler (pipettor) to perform the aforementioned sampling procedure. However, the volume of large-scale equipment is too large to be used in on-site testing (or bedside testing, POCT / Point of Care Testing), and the reagent tank and the moving liquid process are open, the sample may be contaminated, and the test results will be inaccurate. False positive or false negative. [0003] Existing microfluidic sampling devices can accurately obtain quantitative samples (sampling) for dispensing, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
CPCG01N1/10B01L3/50273B01L3/502746B01L2200/0605B01L2300/0809B01L2300/0864B01L2400/0457B01L2400/049B01L2400/086
Inventor 黄菘斌锺崴宇刘兴伦梁骞高于凯
Owner DELTA ELECTRONICS INC