Portable Breath Analyzer With Humidity-Controlled Low-PPM Detection
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Solution Overview
Problem
Existing breath gas and volatile substance analyzers struggle with analyzing gases at low concentrations and high relative humidity, limiting their effectiveness and convenience.
Innovation Solution
A portable breath gas and volatile substance analyzer that controls breath flow patterns and humidity to efficiently analyze low-concentration gases and volatile substances, using a controlled breath flow system, sensors, and microcontroller for accurate analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If breath is collected in a reservoir for later analysis, then portability and patient comfort are improved, but bacterial growth and sample degradation occur
Solution Approach 1:
The patent extracts and eliminates the reservoir component from the system entirely. Instead of collecting breath samples in a separate storage chamber, the system processes breath analysis in real-time as the patient breathes through the device, thereby removing the source of bacterial growth and sample degradation while maintaining portability.
Solution Approach 2:
The patent introduces an intermediary mechanism (real-time processing system) between breath collection and analysis. Rather than storing breath samples and analyzing them later, the system immediately processes the breath as it is exhaled, using intermediate steps like filtration and real-time spectroscopic analysis to prevent degradation while enabling portable operation.
2Measurement precision
If complex separation and analysis systems are used to achieve high measurement precision, then detection accuracy improves, but device complexity and portability worsen
Solution Approach 1:
The patent combines multiple functions (filtration, separation, detection, and analysis) into a single integrated portable device. The mass spectrometer and other analytical components are miniaturized and merged into one unit that can be held and operated by a single patient, eliminating the need for complex laboratory-based systems while maintaining high measurement precision.
Solution Approach 2:
The patent replaces complex mechanical separation systems with advanced spectroscopic and mass spectrometric methods. Instead of using large mechanical chromatography columns and complex pumping systems, the device uses electromagnetic fields and spectral analysis to separate and identify breath components, significantly reducing mechanical complexity while improving measurement accuracy.
3Adaptability or versatility
If multiple breath components are analyzed simultaneously, then diagnostic capability improves, but device complexity and cost increase
Solution Approach 1:
The patent creates a universal breath analysis device that can detect and analyze multiple different breath components (acetone, ethanol, isoprene, nitric oxide, etc.) using a single integrated system. The mass spectrometer and spectroscopic sensors are designed to identify various volatile organic compounds and gases simultaneously, providing comprehensive diagnostic capability across multiple health conditions without requiring separate specialized devices for each analyte.
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
Enables convenient, rapid, and accurate analysis of illnesses or foreign substances without blood draw, with results comparable to traditional tests, and can detect gases as low as 0.5 ppm with high humidity tolerance.
Implementation Method 1
breath gas and volatile substance analyzer utilizing a mass spectrometer
Implementation Method 2
nuclear magnetic resonance (NMR) spectrometer
Implementation Method 3
infrared (IR) spectrometer
Implementation Method 4
ultraviolet (UV) spectrometer
Data Source
Figure 1~2
Figure 3~6
Figure 7(a)~7(b)
AI summary
The present invention relates to a portable breath gas and volatile substance analyzer comprising a breath input portion for inputting the breath into the analyzer by blowing breath, a breath delivery portion connected to the breath input portion, a breath storage portion connected to the breath delivery portion, a sensor provided in the breath storage portion for detecting the breath, and a microcontroller connected to the sensor for receiving the breath data from the sensor to analyze the gas and volatile substance data.