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Optical detection system of dry-type blood cell analyzing device

A technology of blood cell analysis and optical detection, which is applied in the field of medical devices, can solve problems such as low work efficiency, improved anti-seismic performance, and extended detection and analysis time, achieving the effects of short time consumption, stable performance, and high efficiency

Active Publication Date: 2014-01-22
INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI
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Problems solved by technology

Currently, analytical instruments based on dry technology on the market mainly use progressive scanning with photodiode imaging, or segmental scanning with monochrome linear array CCD for signal acquisition. The additional mechanical drive devices, filters and switching devices are Bottleneck in Seismic Performance Improvement
At the same time, the mechanically driven scanning greatly prolongs the detection and analysis time, fully exposing the defect of its low work efficiency when analyzing a large number of blood samples

Method used

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  • Optical detection system of dry-type blood cell analyzing device

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0015] The overall structure of the dry blood cell analysis device applicable to the optical detection system of the present invention is as follows: figure 1 As shown, the device includes a mechanical sample feeding system, an optical detection system and a main control data processing system.

[0016] The optical detection system of the dry blood cell analysis device of the present invention includes a red light source 5 , a blue light source 7 , a lens 8 and a color linear array CCD image sensor 9 . Wherein, the blue light source 7, the red light source 5, the imaging lens 8 and the color line array CCD image sensor 9 are fixed on the base 11 by a fixing device, and the c...

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Abstract

The invention discloses an optical detection system of a dry-type blood cell analyzing device. The optical detection system of the dry-type blood cell analyzing device comprises a red light source 5, a blue light source 7, a lens 8 and a colored linear array CCD (Charged Coupled Device) imaging sensor 9, wherein the two light sources are used for sequentially irradiating a to-be-detected capillary tube, the lens 8 is used for imaging the capillary tube, the colored linear array CCD imaging sensor 9 is used for collecting images, and complete blood cell counting results are obtained through data processing. The optical detection system is suitable for the optical detection of a complete blood cell analyzing device, is fast in speed and has stable performances.

Description

technical field [0001] The invention relates to a medical device, in particular to an optical detection system of a dry blood cell analysis device. Background technique [0002] Whole blood analysis is an important link for doctors to diagnose and analyze patients' conditions, and directly guides the development of follow-up medical behaviors. Hematology analyzers are instruments that specifically analyze whole blood. Various types of blood cell analyzers currently used clinically are mainly based on two types of methods: wet analysis technology and dry analysis technology. The former is based on the differences in physical and biochemical properties of different types of blood cells, based on flow cytometry in different flow paths and light paths, cell staining, light scattering, electrical impedance and other methods are used to distinguish and count cell types. The analytical instrument based on this method has mature counting and accurate results, and is widely used in ...

Claims

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Application Information

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IPC IPC(8): G01N15/14
Inventor 李抄姚世平顾彪刘光中段浩谌云云杜耀华程智陈锋
Owner INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI
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