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Chemiluminescence immunity analyzer sample addition needle hole plugging alarm circuit

A technology of chemiluminescence immunity and alarm circuit, applied in the field of medical devices, can solve the problems such as blockage of the sampling needle pipeline, inaccurate sampling amount, affecting the accuracy and validity of experimental data, etc., and achieve the effect of effective detection.

Inactive Publication Date: 2015-07-15
SUZHOU HYBIOME BIOMEDICAL ENG CO LTD
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Problems solved by technology

[0002] During the use of the chemiluminescence immunoassay analyzer, impurities such as flocs or clots occasionally appear in the sample drawn by the sample needle, which affects the flow of liquid in the pipeline, and because the inner diameter of the sample needle is small, it is easy to cause problems in the pipeline of the sample needle. Blockage, resulting in inaccurate sample volume, affecting the accuracy and validity of experimental data

Method used

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  • Chemiluminescence immunity analyzer sample addition needle hole plugging alarm circuit

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Embodiment Construction

[0014] The design will be further described below in conjunction with the accompanying drawings of the description.

[0015] The chemiluminescence immunoassay analyzer sample needle plugging alarm circuit includes a sample needle, which is characterized in that it includes a pressure sensor P1 and an A / D conversion chip U1, the pressure sensor P1 is connected to the needle path of the sample needle, and the The pressure sensor P1 collects the pressure value in the needle path, and converts the pressure value from analog to digital through the A / D conversion chip U1, and then transmits it to the subsequent processor for processing the data.

[0016] further:

[0017] The described chemiluminescence immunoassay analyzer sample needle plugging alarm circuit is characterized in that: the positive and negative pressure output ports of the pressure sensor P1 are respectively connected to the analog signal of the A / D conversion chip U1 through a low-pass filter circuit The input ter...

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Abstract

A chemiluminescence immunity analyzer sample addition needle hole plugging alarm circuit comprises a sample addition needle, a pressure sensor and an A / D conversion chip, the pressure sensor is connected with the needle line of the sample addition needle, the pressure sensor acquires the pressure value in the needle line, and the A / D conversion chip converts the pressure value from an analog quantity to a digital quantity, and transmits a subsequent processor for processing data. The circuit can rapidly and effectively detect the state of the sample addition needle to effectively discriminate whether the sample addition needle is blocked or not.

Description

technical field [0001] The design relates to a chemiluminescence immunoassay analyzer plugging hole alarm circuit for a sample needle, which belongs to the technical field of medical equipment. Background technique [0002] During the use of the chemiluminescence immunoassay analyzer, impurities such as flocs or clots occasionally appear in the sample drawn by the sample needle, which affects the flow of liquid in the pipeline, and because the inner diameter of the sample needle is small, it is easy to cause problems in the pipeline of the sample needle. Blockage, resulting in inaccurate sample volume, affecting the accuracy and validity of experimental data. Therefore, it is of great significance to monitor the state of the injection needle in real time and to report immediately if the needle is blocked. For this reason, a device that can quickly and effectively detect the state of the sample needle is designed, and can effectively determine whether the sample needle is bl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10
Inventor 崔静闫晓磊胥法伟奚鸿吴东郭金龙
Owner SUZHOU HYBIOME BIOMEDICAL ENG CO LTD
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