A microfluidic chip
A microfluidic chip and substrate technology, applied in laboratory utensils, laboratory containers, chemical instruments and methods, etc., can solve the problems of inability to intercept impurities, complex structure of the microfluidic chip, etc., and achieve a simple structure. Effect
Active Publication Date: 2018-09-25
锐志微创医疗科技(常州)有限公司
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Problems solved by technology
[0002] The microfluidic chip on the market includes a sample inlet, a sample detection unit and a sample outlet. The sample inlet of this microfluidic chip cannot intercept the impurities in the sample to be tested. Since the sample to be tested will contain impurities, special interception is required. unit to intercept impurities in the sample to be tested, so the structure of this microfluidic chip is complex
Method used
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[0026] Such as Figure 1~5 As shown, a microfluidic chip is composed of a substrate and a glass sheet bonded, including a sample inlet 1 and a sample outlet 3, the sample inlet 1 is connected to the sample outlet 3, and its innovations are:
[0027] The sample inlet 1 includes a first sample chamber 1-1, a first sample chamber inlet 1-4, a first sample chamber outlet 1-2 and a circle composed of a plurality of first columns 1-3 Ring array, the first sample chamber 1-1 is a cylindrical chamber, the first sample chamber inlet 1-4 is located on the top of the cylindrical chamber, the first sample chamber outlet 1-2 is located in the cylindrical On the annular cavity wall of the chamber;
[0028] In the annular array formed by the plurality of first columnar bodies 1-3 arranged in the first sample chamber 1-1, the first columnar bodies 1-3 are distributed at equal intervals, and the plurality of first columnar bodies 1-3 There is a gap between the edge line of the annular array ...
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The invention relates to a microfluidic chip. The microfluidic chip is formed by bonding of a base sheet and a glass sheet and comprises a sample inlet and a sample outlet, wherein the sample inlet is communicated with the sample outlet; the sample inlet comprises a first sample chamber, a first sample chamber inlet, a first sample chamber outlet and a circular array composed of multiple first column-like objects; the first sample chamber is a cylindrical chamber; the first sample chamber inlet is positioned at the top of the cylindrical chamber; the first sample chamber outlet is positioned on the annular chamber wall of the cylindrical chamber; and in the circular array composed of the multiple first column-like objects arranged in the first sample chamber, the first column-like objects are distributed at equal intervals, and a clearance is formed between the edge line of the circular array composed of the multiple first column-like objects and the inner chamber wall of the annular chamber wall of the first sample chamber. The sample outlet and the sample inlet are the same in structure. The sample inlet of the microfluidic chip is simple in structure, and the sample inlet can intercept impurities in a sample to be detected and enable other substances to pass, thus ensuring that the final detection result is not influenced.
Description
technical field [0001] The invention belongs to a microfluidic chip, in particular to a microfluidic chip with a sample inlet and a sample outlet. Background technique [0002] The microfluidic chip on the market includes a sample inlet, a sample detection unit and a sample outlet. The sample inlet of this microfluidic chip cannot intercept the impurities in the sample to be tested. Since the sample to be tested will contain impurities, special interception is required. The unit is used to intercept the impurities in the sample to be tested, so the structure of this microfluidic chip is complex. Contents of the invention [0003] The object of the present invention is to provide a microfluidic chip with a simple structure and a sample inlet capable of intercepting impurities in a sample to be tested. [0004] In order to achieve the above object, technical scheme of the present invention is: [0005] A microfluidic chip, which is composed of a substrate and a glass plate...
Claims
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IPC IPC(8): B01L3/00
CPCB01L3/502753B01L2200/10
Inventor 刘波翟晓峰
Owner 锐志微创医疗科技(常州)有限公司