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Optical device for immunochromatography analyzer

A technology of optical device and immunochromatography, applied in measurement device, analytical material, material excitation analysis, etc., can solve the problem of high cost of mold opening

Inactive Publication Date: 2018-12-25
北京乐普诊断科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Generally, the precision of mold forming is high, and it is often used as one of the preferred ways to install and fix optical elements in the optical path, but the cost of mold opening is relatively high

Method used

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  • Optical device for immunochromatography analyzer
  • Optical device for immunochromatography analyzer
  • Optical device for immunochromatography analyzer

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing, this patent is described further:

[0019] Such as figure 1 , is a schematic diagram of an optical device for an immunochromatography analyzer. It includes three parts: the first fluorescent optical path module 1 , the second fluorescent optical path module 2 and the casing 3 .

[0020] Such as figure 2 Said, the first channel fluorescence optical path module 1 includes: a first excitation light source 11, a first aperture 12, a first excitation lens 13, a first excitation dichroic mirror 14, a third lens 15; a first filter 16 , a first emitting dichroic mirror 17 , a first emitting lens 18 , a first photodetector 19 and a first feedback detector 110 .

[0021] Such as image 3 , the second channel fluorescence optical path module 2 includes: a second excitation light source 21, a second diaphragm 22, a second excitation lens 23, a second excitation dichroic mirror 24; a second filter 25, a mirror 26, The second emit...

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Abstract

The invention discloses an optical device for performing a rapid immunoassay using a fluorescent label or colloidal gold labeling method, belongs to the field of in vitro diagnostic equipment. The detecting device comprises three parts of a first channel fluorescent light path module, a second channel fluorescent light path module and a housing, and the housing can be compatible with the colloidalgold light path. The first channel fluorescent light path module and the second channel fluorescent light path module can work simultaneously without interference, thereby greatly improving the detection range and throughput of the instrument; the housing is divided into an upper housing and a lower housing , and a groove for placing an optical component is arranged on the lower housing, which reduces the requirements for the adjustment operation of the optical component and ensures the stability of the optical path. Both the upper and lower housings are made of black material and are snappedthrough the groove to avoid interference from external stray light. Further, considering the interference caused by a light source passing through a spectroscope in the colloidal gold light path, a matting groove is arranged on the housing to absorb the interference as much as possible, and improve the signal-to-noise ratio and sensitivity of the detection.

Description

technical field [0001] The invention discloses an instrument optical device for rapid immunoassay using fluorescent labeling or colloidal gold labeling. It belongs to the field of in vitro diagnostic devices. Background technique [0002] Immunochromatography Immunochromatography (immunochromatography) is a rapid diagnostic technique that has emerged in recent years. The principle is to immobilize the specific antibody on a certain zone of the nitrocellulose membrane, and when one end of the dry nitrocellulose is immersed in the sample (urine or serum), the sample will move forward along the membrane due to capillary action. , when moving to the area where the antibody is immobilized, the corresponding antigen in the sample will specifically bind to the antibody, thereby realizing specific immunodiagnosis. According to the markers used, it can be divided into fluorescence method and colloidal gold method. The colloidal gold method utilizes that colloidal gold has an absor...

Claims

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Application Information

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IPC IPC(8): G01N33/558G01N21/64G01N21/01
CPCG01N21/01G01N21/64G01N21/6486G01N33/558G01N2021/0112G01N2021/6463
Inventor 詹良杨波陈上峰
Owner 北京乐普诊断科技股份有限公司
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