Blood cell centrifugal layering detection system and method
A technology of centrifugal stratification and detection system, applied in the field of whole blood separation, can solve the problems of optical power attenuation of the transmitter, interference, unsatisfactory measurement accuracy, etc., and achieve the effects of simple structure, improved accuracy, and scientific and reasonable design.
Inactive Publication Date: 2020-08-07
四川天府亨特生命科技有限公司
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Problems solved by technology
Solve the technical problem that the measurement accuracy is not ideal due to the interference of external light sources, the influence of transmitter optical power attenuation, and the influence of consumable processing accuracy when the reflective photoelectric sensor is used to measure the blood centrifuge layered interface in the prior art
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.
[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying...
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The invention discloses a blood cell centrifugal layering detection system and method, and solves the technical problem of non-ideal measurement precision caused by external light source interference,transmitter optical power attenuation influence and consumable processing precision influence when a reflective photoelectric sensor is used for measuring a blood centrifugal layering interface in the prior art. The detection system comprises a centrifugal cup, a light source, a reflector, a visual identification sensor and an image data processing module. According to the method, a reflector ismainly used for projecting a light source to the shoulder of the centrifugal cup, and meanwhile, the reflector is used for reflecting reflected light to a video camera sensor for imaging, so that thethickness and interface position information of each layer of the blood cup type centrifugal stratification can be accurately obtained. According to the invention, the influence of ambient light interference, light source emitter attenuation, installation position precision, centrifugal cup processing precision and the like on the thickness measurement and interface position measurement of each layer of the blood cup type centrifugal layer can be solved, so that the detection precision of the layer thickness and the interface position is greatly improved.
Description
technical field [0001] The invention relates to the technical field of whole blood separation, in particular to a blood cell centrifugal layered detection system and method. Background technique [0002] During the cup centrifugation process of whole blood, it is necessary to accurately measure the blood centrifuge layer interface in order to accurately control the collection of single components (plasma, platelets, white blood cells, red blood cells, etc.), and the measurement accuracy directly determines the collection quality of single components. [0003] The traditional detection method is to use a reflective photoelectric sensor to measure the centrifugal layered interface of blood, which is easily affected by the external light source during the measurement process. Therefore, the installation accuracy of the reflective photoelectric sensor is very high. The impact of power attenuation is large, resulting in unsatisfactory accuracy in detection and measurement, and th...
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IPC IPC(8): G01B11/06G01B11/00G06T7/00G06T7/13
CPCG01B11/00G01B11/028G01B11/06G06T7/0012G06T7/13
Inventor 王鹏李川陈石
Owner 四川天府亨特生命科技有限公司