Calibration Device for Analyte Detector Accuracy
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional analyte detection systems face challenges in calibration, particularly in portable devices, due to issues like analyte reporter saturation and depletion, leading to potential false readings and the need for manual calibration methods that are inconvenient and prone to human error.
Innovation Solution
A calibration system comprising a detection device and a calibration device that can be attached or integrated, featuring a chamber for sample examination, a calibrant reservoir, and components like heaters, pumps, and fans to vaporize samples and provide them to analyte detectors, allowing for automatic calibration and reducing user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual calibration methods are used with preset factory calibrations, then device portability is maintained, but calibration accuracy deteriorates due to analyte reporter saturation and depletion
Solution Approach 1:
The calibration device automatically performs calibration operations without requiring manual user intervention. The system self-calibrates by introducing known calibrant materials, automatically analyzing responses, and adjusting detector parameters, thereby eliminating the need for users to manually handle calibration materials and equipment while maintaining high calibration accuracy
Solution Approach 2:
The system performs preliminary calibration actions by pre-storing known calibrant materials in the calibration device and preparing them for automatic introduction to the analyte detector before actual detection operations begin, ensuring the detector is properly calibrated and ready for accurate measurements
2Reliability
If manual calibration operations are performed with separate calibration supplies, then calibration can be conducted, but device complexity increases and portability is compromised
Solution Approach 1:
The calibration device is merged with the detection device into an integrated system. The calibration device includes a chamber, calibrant reservoir, and sample introduction mechanisms that are combined with the analyte detector in a single portable unit, eliminating the need for separate calibration equipment and materials while maintaining full calibration capability
Solution Approach 2:
The integrated calibration device serves multiple functions: it stores calibrant materials, introduces them to the detector, monitors detector responses, and performs calibration adjustments. This multi-functional design eliminates the need for multiple separate devices and supplies, reducing overall system complexity while maintaining calibration reliability
3Measurement precision
If analyte detectors are exposed to large amounts of analytes, then detection sensitivity is improved, but analyte reporter saturation occurs leading to false readings
Solution Approach 1:
The system uses feedback from known calibrant responses to monitor and adjust detector performance. By continuously comparing actual detector responses to expected responses from known calibrant materials, the system can detect saturation conditions and adjust calibration parameters to maintain accurate readings across varying analyte concentrations
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 system enables efficient, accurate calibration of analyte detectors, minimizing errors and user interaction, while maintaining portability and cost-effectiveness, thereby improving the reliability of analyte detection in field operations.
Implementation Method 1
A heater of the calibration device may heat the sample, which may include analytes, disposed in the chamber to at least partially vaporize the sample to provide vaporized portions of the sample, which may include analytes
Implementation Method 2
A pump(s) and/or a fan(s) of the calibration device and/or detection device may be used to pull air or push air, respectively, through or over the sample to provide at least a portion of the sample to the analyte detector
Implementation Method 3
The calibrant reservoir may include mesh features, such as a gas permeable membrane, disposed over a calibrant (e.g., solid, gel, liquid), in which at least partially vaporized calibrant (e.g., obtained from heating and/or blowing air through the calibrant) can pass
Implementation Method 4
The calibrant reservoir may include a flushing agent (e.g., acetone, toluene, water, mixture thereof) to clean out the calibrant reservoir and/or detection device
Data Source
AI summary
Techniques are disclosed for calibration systems and methods for analyte detectors. In one example, a system may include a calibration device configured to operate with an analyte detector. The calibration device may include a chamber configured to receive a sample and pass at least a portion of the sample including analytes to the analyte detector for examination. The calibration device may further include a reservoir including a calibrant and configured to be selectively positioned in the chamber as the sample to provide the portion of the sample including the analytes to calibrate the analyte detector. Additional systems and related methods are provided.