Sample analyzer and extraction piece

By incorporating elastic elements and mating parts on the support of the sample analyzer, the shaking of the extraction component is prevented, thus solving the problems of liquid splashing and aerosol contamination during the operation of the extraction component and achieving stable positioning and clean detection of the extraction component.

CN122302998APending Publication Date: 2026-06-30SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
Filing Date
2024-12-27
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The extractor is prone to shaking during the sample analyzer's handling process, which can cause liquid splashing or generate aerosols, contaminating the instrument's interior.

Method used

A first elastic element is installed on the support of the sample analyzer. The first mating part cooperates with the second mating part on the extraction part to generate resistance to prevent the extraction part from moving upward. Combined with the second elastic element, a thrust is generated in different directions to ensure the stable positioning of the extraction part in the X, Y and Z axis directions.

Benefits of technology

It effectively avoids liquid splashing and aerosol generation within the extraction unit, protecting the internal cleanliness of the sample analyzer and improving detection efficiency and equipment reliability.

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Abstract

A sample analyzer and an extraction piece, the sample analyzer comprises a reagent dispensing mechanism, a sample dispensing mechanism, an extraction mechanism, a pipetting mechanism, an amplification mechanism, a detection mechanism and a scheduling mechanism. The scheduling mechanism comprises a bearing assembly, the bearing assembly comprises a bearing seat and a first elastic piece, the bearing seat comprises a first seat body and a second seat body arranged at intervals, a clamping groove is formed between the first seat body and the second seat body, and the extraction piece of the scheduling mechanism is at least partially embedded in the clamping groove. The first elastic piece is connected with the bearing seat and is provided with a first matching part, the first matching part is used for matching with a second matching part on the extraction piece to generate resistance to prevent the extraction piece from moving upward. The proposed sample analyzer has the advantages that the scheduling mechanism can schedule the extraction piece, the extraction piece will not shake in the vertical direction, and the liquid in the extraction piece can be prevented from splashing or generating aerosol to pollute the inside of the sample analyzer.
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