A magnetic cleaning and separating device for an immunoanalyzer
A technology for immune analyzers and separation devices, which is applied in the field of magnetic cleaning and separation devices for immune analyzers, which can solve the problems of easy absorption of magnetic beads and low cleaning efficiency of magnetic beads, and achieve saving of substrate solution, short time, and enhanced washing effect Effect
Active Publication Date: 2020-10-30
SUZHOU HYBIOME BIOMEDICAL ENG CO LTD
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: in order to solve the problem of low cleaning efficiency of magnetic beads in the existing magnetic cleaning and separation device and the lack of magnetic beads that are easily sucked into the cuvette by the cleaning needle, thereby providing a magnetic cleaning and separation device for an immune analyzer
Method used
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Embodiment
[0031] This embodiment provides a magnetic cleaning and separation device for an immune analyzer, such as figure 1 As shown, it includes a cuvette transport assembly 1, a cleaning needle assembly 2, a magnet assembly 3 and a cleaning position 4;
[0032] The cuvette conveying assembly 1 is used to convey the cuvettes 5 to different cleaning positions 4. Specifically, the cuvette conveying assembly 1 includes a fixed part and a moving part. An accommodating part for accommodating the cuvette 5 is arranged on the part, and the moving part can carry the cuvette 5 to move in the cuvette running groove;
[0033] The cleaning needle assembly 2 is used to inject the cleaning liquid into the cuvette 5 in the cleaning position 4 and draw the cleaning liquid from the cuvette 5. It is preferable to set a corresponding cleaning needle assembly 2 corresponding to each cleaning station 4, so that The cleaning needle assemblies 2 can work at the same time, improving the cleaning efficiency;...
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Abstract
Disclosed is a magnetic cleaning and separating device of an immunity analyzer. The device comprises a reaction cup conveying assembly (1), a cleaning needle assembly (2), a magnet assembly (3) and several cleaning stations (4). The magnet assembly comprises two magnet pairs arranged opposite each other on two sides of a running path of a reaction cup, and individual magnets arranged on one side of the running path of the reaction cup (5); the magnet pairs correspond to the cleaning stations; the individual magnets are located between the cleaning stations or located in front of the first cleaning station in the direction of the running path of the reaction cup; at least one magnet is arranged on each side of the running path of the reaction cup, and between the cleaning stations or in front of the first cleaning station in the direction of the running path of the reaction cup; and the magnets, between the cleaning stations or located in front of the first cleaning station in the direction of the running path of the reaction cup, are alternately arranged on the two sides of the running path of the reaction cup, and the directions of magnetic poles of two adjacent magnets are opposite. The magnetic separation time of the magnetic cleaning and separating device is extremely short, such that the aim of fully cleaning magnetic beads is achieved, and cleaning needles can be effectively prevented from attracting the magnetic beads.
Description
technical field [0001] The application belongs to the technical field of medical devices, and in particular relates to a magnetic cleaning and separation device for an immune analyzer. Background technique [0002] In the automatic immunoassay system, the effective separation of immune complexes is the key link of immunoassay, and the separation effect directly affects the results of immunoassay. At present, in the immunoanalyzer using magnetic beads as the reaction carrier, the separation of immune complexes mainly adopts the magnetic separation method. After specific binding, the reactants (immune complexes) bound to the magnetic beads are retained by means of an external magnetic field, and the excess reactants and reagents are separated. The time in the whole magnetic separation process of the magnetic separation method can be very short, but the existing magnetic cleaning separation device of the immune analyzer has a poor washing effect on the immune complex. [0003...
Claims
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IPC IPC(8): B08B3/04B08B3/08G01N35/00
CPCB08B3/04B08B3/08G01N33/53G01N35/00
Inventor 吴国银郭金龙
Owner SUZHOU HYBIOME BIOMEDICAL ENG CO LTD