Sample Analysis Interference Detection Using Image and Optical Data

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Solution Overview

Problem

Existing sample analysis systems face inaccuracies due to interferences from reaction processes and samples, which are often manually observed and subject to subjective factors, leading to inefficient interference removal and reduced detection accuracy.

Innovation Solution

A sample analysis system and method that utilizes an image acquisition device to capture sample images and an optical detection device to obtain photoelectric data, combined with a control device to determine interferent information based on both types of data, providing a comprehensive basis for interference removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual observation is used to identify interferences, then the system complexity is low, but the measurement precision and reliability of interference detection deteriorate due to subjective factors

Engineering Contradiction:
Improvesystem complexityVSAvoidinterference detection precision
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent replaces manual observation (mechanical/human system) with automated image acquisition and optical detection systems. The image acquisition device captures sample images, and the optical signal detector measures photoelectric data, substituting human subjective judgment with objective instrumental measurement to improve interference detection precision.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces intermediate devices (image acquisition device and optical signal detector) between the sample and the detection system. These intermediaries capture and quantify interference characteristics through image data and photoelectric data, providing objective measurements that improve detection precision while maintaining manageable system complexity through modular design.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If multiple detection methods (image acquisition and optical detection) are combined, then the measurement precision and reliability improve, but the device complexity increases

Engineering Contradiction:
Improvedetection result reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The control device serves multiple functions: it processes image data from the image acquisition device, processes photoelectric data from the optical signal detector, integrates both data types, and determines interference information. This multi-functionality consolidates complexity into a single processing unit while improving detection reliability through comprehensive data analysis.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges image data and photoelectric data into a unified interference determination process. The control device combines information from both detection methods to identify interferent information, achieving improved reliability by cross-validating results from multiple detection approaches while managing complexity through integrated processing.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If comprehensive state information from multiple sources is analyzed, then the reliability of interference identification improves, but the loss of time for data processing increases

Engineering Contradiction:
Improveinterference identification reliabilityVSAvoiddata processing time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary data acquisition by capturing sample images and obtaining photoelectric data simultaneously during the detection process. This preliminary action prepares both data sources in advance, allowing the control device to efficiently integrate and analyze them without significant additional processing time, thus maintaining high reliability while minimizing time loss.

Inventive Principle:
Principle #10Preliminary action

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 eliminates subjective factors and provides a more accurate detection result by identifying and addressing interferences through combined state information, improving the reliability and precision of sample analysis.

Implementation Method 1

The light source component is configured to generate an irradiation light, the irradiation light forms a first emission light after irradiating the reaction solution, and the optical signal detector acquires the first emission light to obtain photoelectric data

Methodology Applied
Scientific EffectPhotoelectric Effect: Photoelectric Effect

Data Source

PatentEP4579222A1Sample analysis system and sample analysis method
Publication Date: 2025.07.02 SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
  • EP4579222A1 patent drawingFigure 1~2A
  • EP4579222A1 patent drawingFigure 2B~3A
  • EP4579222A1 patent drawingFigure 3B~4

AI summary

In the sample analysis system and the sample analysis method provided in embodiments of the invention, an image acquisition device may obtain a sample image of a to-be-detected sample, an optical detection device may obtain photoelectric data of a reaction solution prepared from the to-be-detected sample, a control device may obtain state information of the to-be-detected sample by analyzing the sample image, obtain state information of the reaction solution by analyzing the photoelectric data of the reaction solution, and determine a specific interferent information based on a combination of the two types of state information, thereby providing a basis for removing interferences and further improving accuracy of a detection result of the sample.