Automatic Blank Calibration with Reaction Chamber Stability Checks
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Solution Overview
Problem
Existing automatic analyzers do not confirm the device condition before implementing automatic blank calibration, which can lead to unsuitable conditions for absorbance measurement, compromising the accuracy of analysis results.
Innovation Solution
The automatic analyzer performs analysis preparation operations including reaction chamber temperature detection and other checks before executing automatic blank calibration to ensure a stable device condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automatic blank calibration is implemented without confirming device condition, then automation extent and productivity are improved, but measurement precision and reliability deteriorate
Solution Approach 1:
The control unit executes analysis preparation operations including reaction chamber temperature detection before implementing automatic blank calibration. This preliminary check ensures the device is in a suitable condition for accurate absorbance measurement, resolving the contradiction by adding a preparatory step that maintains automation while ensuring measurement precision
2Measurement precision
If analysis preparation operations are added before automatic blank calibration, then measurement precision and reliability are improved, but device complexity and time consumption increase
Solution Approach 1:
The patent integrates temperature detection and other preparation operations into the automatic blank calibration sequence, ensuring measurements are performed under suitable conditions without requiring separate manual preparation steps, thus improving precision without significantly increasing operational complexity
3Measurement precision
If analysis preparation operations are added before automatic blank calibration, then measurement precision is improved, but time consumption increases
Solution Approach 1:
The control unit automatically executes analysis preparation operations including temperature detection before blank calibration without requiring manual intervention or waiting periods, ensuring measurement precision is maintained while minimizing additional time consumption through automated sequential execution
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures that automatic blank calibration is performed only when the device is in a suitable condition, guaranteeing accurate analysis results and preventing calibration failures.
Implementation Method 1
a reaction chamber configured to control a temperature of the reaction vessel
Implementation Method 2
an automatic analyzer measures a change over time in absorbance for a solution obtained by mixing a certain amount of a sample and a reagent
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
The present disclosure proposes (see FIG. 3) an automatic analyzer that executes automatic blank calibration to ensure device performance when automatic blank calibration is implemented, and measures change over time in a mixture liquid obtained by mixing a specimen and a reagent, said automatic analyzer comprising a reaction vessel capable of accommodating the specimen and the reagent, an analysis unit that measures the mixture liquid accommodated in the reaction vessel, and a control unit, wherein the control unit executes analysis preparation operations including a reaction chamber temperature detection operation for performing temperature control of the reaction vessel, and other operations, and confirms that the condition of the automatic analyzer is stable, before executing the automatic blank calibration.