Disposable Detection Apparatus for Reliable Analyte Testing
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Solution Overview
Problem
Current drug testing methods face challenges such as complexity, contamination, and inefficiency in sample collection and analysis, particularly in field settings like roadside or public places, leading to unreliable results and user difficulties.
Innovation Solution
A detection apparatus comprising a base layer with grooves for testing elements and a covering layer that forms a partially sealed channel to collect and analyze fluid samples, minimizing capillary flow and ensuring sufficient sample volume for accurate testing, allowing for quick and user-friendly operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional urine sample collection cups are used for drug testing, then sample collection is possible, but the devices are complex, difficult to operate, and prone to sample adulteration
Solution Approach 1:
The patent employs a disposable testing device with a pre-formed testing element and sample chamber that is discarded after single use. This eliminates the need for complex cleaning and preparation procedures, making the device extremely easy to operate while ensuring sample integrity through its sealed, disposable nature that prevents adulteration.
Solution Approach 2:
The device is segmented into distinct functional components: a sample chamber for collecting the fluid sample, a testing element with sample applying area and testing area, and a base layer with groove. This segmentation allows each component to be optimized for its specific function while simplifying the overall operation and preventing sample contamination through isolated, purpose-built sections.
2Productivity
If conventional testing devices are used, then testing can be performed, but sample extraction is inefficient and causes environmental contamination through leakage
Solution Approach 1:
The disposable nature of the device ensures that the sample is contained within a sealed system from collection through testing. The sample chamber with its opening and the covered groove prevent leakage at all stages, eliminating environmental contamination while enabling efficient sample extraction through the designed fluid flow path from the sample chamber to the testing element.
Solution Approach 2:
The base layer with groove acts as an intermediary structure that guides the fluid sample from the sample chamber to the testing element. This intermediary design ensures controlled sample extraction and prevents uncontrolled leakage, improving both extraction efficiency and environmental safety.
3Reliability
If conventional devices are used, then testing can be conducted, but the design and manufacturing are complex requiring expensive materials
Solution Approach 1:
The device is divided into simple, discrete components: a base layer with a molded groove, a separate testing element, and a covering layer. This segmentation allows each part to be manufactured using simple, cost-effective processes while maintaining reliable test results through the precise arrangement of functional areas (sample applying area, testing area) in each segment.
Solution Approach 2:
The base layer serves multiple functions: it provides structural support, contains the groove for the testing element, and forms part of the sample chamber structure. This multi-functionality reduces the number of separate components needed, simplifying manufacturing while ensuring reliable test results through integrated design.
4Quantity of substance
If more sample is collected to ensure sufficient volume, then accurate testing is possible, but the device complexity increases and operating steps become more complicated
Solution Approach 1:
The sample chamber and testing element are merged into a compact, integrated structure where the testing element sits within the base layer's groove and extends into the sample chamber. This merging allows the device to collect and process the required sample volume in a single, simplified structure without increasing complexity or requiring multiple operating steps.
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
The apparatus provides reliable and efficient analyte detection with reduced contamination risks and simplified operation, ensuring accurate results even in limited sample volumes and field conditions.
Implementation Method 1
The fluid sample entering the sample chamber comes into contact with a portion of the sample applying area on the testing element, thereby allowing the fluid sample to flow from the testing area to the testing area
Data Source
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AI summary
The present invention discloses a detection apparatus, comprising a base layer, wherein the base layer comprises a groove for containing a testing element and a sample chamber for collecting a fluid sample. The detection apparatus can achieve fast, efficient and accurate detection of analytes in liquid samples; make operators to perform testing conveniently and freely, without causing incorrect results. In some preferred modes, the sample chamber comprises a liquid channel.