Automatic analyzer, and liquid suction control method and control system by sampling probe

Abstract

The invention relates to a liquid suction control method by a sampling probe. The method comprises the following steps: totally sucking needed reagents into the sampling probe according to a reagent suction sequence and the addition amount of each reagent when the capacity of the sampling probe is enough if the type of the reagents needing to be added into to-be-detected sample items is more than1; and controlling the sampling probe to suck a preset amount of air to isolate reagents sucked at two adjacent times between the two adjacent times of reagent suction. When multiple reagents need tobe added into the samples, the sampling probe only needs to move between the reagents and the samples once, and addition of the reagents in the samples can be completed. According to the liquid suction control method, the round-tripping frequency of the sampling probe can be effectively reduced, so that the time is greatly saved, and the sample analysis efficiency is improved. The invention further relates to a liquid suction control system by the sampling probe and an automatic analyzer.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to an automatic analyzer, a method for controlling liquid absorption by a liquid-taking needle and a control system used in the fields of medical treatment or chemical industry. Background technique [0002] Automatic analyzers are widely used in medical and chemical fields, and there are many types. Automatic analyzers can automatically perform qualitative or quantitative detection of various components of samples. [0003] The automatic analyzer adds reagents to the sample in the cuvette through the needle, and in most cases, it is not only one kind of reagent that needs to be added to the sample, but a variety of reagents. Take two reagents as an example. If R1 and R2 reagents need to be added to the sample to be tested, the dispensing needle will first add the R1 reagent and inject it into the cuvette, then clean the dispensing needle and then add the reagent. Draw the R2 rea...

AI Technical Summary

Problems solved by technology

Take two reagents as an example. If R1 and R2 reagents need to be added to the sample to be tested, the dispensing needle will first add the R1 reagent and inject it into the cuvette, then clean the dispensing needle and then add the reagent. Draw the R2 reagent in the box, and then add the R2 reagent to the reaction cup. It can be seen that if two reagents are added to the sample, the liquid collection needle needs to perform two back and forth between the reagent chamber and the reaction chamber. If the sample needs to add If there are more kinds of reagents, then the liquid needle needs more back and forth to complete the addition of reagents, which takes a long time, resulting in limited throughput of sample analysis reagents and low test efficiency, especially for only one needle Liquid needle automatic analyzer, the disadvantage of low test efficiency is more prominent

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