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Nucleic acid extraction device, nucleic acid extraction method, and nucleic acid extraction kit

A nucleic acid extraction device and nucleic acid technology, applied in the field of medical equipment, can solve problems such as reduced temperature loss and increased work complexity, and achieve the effect of ensuring stable operation

Inactive Publication Date: 2021-07-23
深圳市微流诊断生物技术有限公司
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Problems solved by technology

[0004] However, in this solution: firstly, the cleaning of the dropper is not complicated, and there is no need to omit the step of cleaning the dropper; secondly, the frequent replacement of the transparent thin tube increases the complexity of the operation; in addition, the temperature loss of the liquid inside the dropper body reduce faster; for this reason, we propose a nucleic acid extraction device and nucleic acid extraction method

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  • Nucleic acid extraction device, nucleic acid extraction method, and nucleic acid extraction kit
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  • Nucleic acid extraction device, nucleic acid extraction method, and nucleic acid extraction kit

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] see Figure 1-Figure 7 , the present invention provides a technical solution: a nucleic acid extraction device, comprising a primary dropper 1, a secondary dropper 2 and an adjustment limiting tube 3, the primary dropper 1 is arranged above the secondary dropper 2, and the secondary dropper 2 The primary dropper 2 is used to discharge and absorb the solution, the primary dropper 1 is used to control the secondary dropper 2 to absorb and discharge the so...

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Abstract

The invention discloses a nucleic acid extraction device, a nucleic acid extraction method and a nucleic acid extraction kit, and relates to the technical field of medical instruments. The nucleic acid extraction device adopting the nucleic acid extraction method comprises a first-stage dropper, a second-stage dropper and an adjusting limiting pipe, wherein the second-stage dropper is used for discharging and adsorbing a solution, and the first-stage dropper is used for controlling the second-stage dropper to adsorb and discharge the solution. According to the nucleic acid extraction device and the nucleic acid extraction method, through the two-stage arrangement of the first-stage dropper and the second-stage dropper and the movable limitation of a second-stage rubber head and a movable groove, when the operation position, namely the first-stage dropper is inclined at any angle, and the second-stage dropper is always kept in a state of being vertical to the horizontal plane under the action of gravity, so that the negative pressure generated by the second-stage rubber head is in a vertical state relative to the discharge port of the second-stage dropper body, a solution in the second-stage dropper body can be subjected to relatively uniform pressure from top to bottom, and the situation that residual liquid is left due to uneven pressure caused by inclination during liquid drainage is avoided.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a nucleic acid extraction device, a nucleic acid extraction method, and a nucleic acid extraction kit. Background technique [0002] In the nucleic acid extraction operation, it is necessary to repeatedly interact with the non-stop solution to perform different operations to complete the nucleic acid extraction. When performing interactive operations on the solution, it is usually necessary to use a dropper or similar device to absorb and transport the solution; [0003] Chinese patent (application number CN201921420226.1) is a nucleic acid extraction device for a nucleic acid extraction instrument. In this application, the above-mentioned similar problems are proposed. The method adopted in this scheme is mainly: using a disposable transparent thin tube, In the solution interactive operation, the transparent thin tube is replaced, and the step of cleaning the dropper is ...

Claims

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Application Information

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IPC IPC(8): C12M1/00C12M1/26C12N15/10
CPCC12N15/101
Inventor 罗秋强丘亿明
Owner 深圳市微流诊断生物技术有限公司
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