Wearable Asthma Monitor With Multi-Sensor Trigger Alerts

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Solution Overview

Problem

Current healthcare solutions for chronic respiratory diseases, such as asthma, focus primarily on drug delivery without effectively addressing environmental and bodily risk factors that trigger symptoms, and there is a need for a portable, wearable device that can monitor and alert patients in real-time to reduce and avoid these risk factors.

Innovation Solution

A healthcare device equipped with sensors to measure ambient temperature, body temperature, UV radiation, humidity, altitude, CO2 levels, and volatile organic compounds, coupled with a control unit to process readings and provide real-time alerts and instructions via LEDs, audio, and a connected interface for remote monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple sensors are integrated to measure various risk factors (temperature, UV radiation, CO2 levels, VOCs, etc.), then the device can provide comprehensive real-time monitoring and alert patients about asthma triggers, but the device complexity increases

Engineering Contradiction:
Improvecomprehensive risk factor monitoringVSAvoidsensor integration
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple sensors (infrared sensor for temperature, UV sensor for ultraviolet radiation, CO2 sensor for carbon dioxide levels, VOC sensor for volatile organic compounds, pulse oximeter for oxygen saturation) into a single integrated healthcare device. This merging approach allows the device to comprehensively monitor various asthma risk factors simultaneously while maintaining a compact form factor, directly resolving the contradiction between comprehensive monitoring capability and device complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated sensor system serves multiple functions: monitoring environmental factors (temperature, UV radiation, CO2, VOCs) and physiological parameters (heart rate, oxygen saturation) to identify asthma triggers. This multi-functionality allows one device to address various monitoring needs, improving reliability of comprehensive risk factor monitoring without proportionally increasing device complexity.

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

2Loss of time

If real-time processing of sensor readings is implemented to provide immediate alerts, then patient response time to asthma triggers is reduced, but energy consumption increases

Engineering Contradiction:
Improvealert response timeVSAvoidprocessing energy consumption
Core Design Contradiction:
Loss of timeVSUse of energy by moving object

Solution Approach 1:

The control unit is pre-programmed with asthma trigger thresholds and risk factor criteria. When sensor readings are taken, the control unit immediately compares the readings against these pre-established thresholds and triggers alerts only when abnormalities are detected. This preliminary action approach enables real-time monitoring and rapid patient response to asthma triggers while avoiding continuous high-energy processing, as the system only actively processes data when anomalies are detected.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements continuous feedback loops where sensor readings are processed, compared against threshold values, and used to trigger alerts or notifications to patients and healthcare providers. This feedback mechanism ensures immediate response to asthma triggers while optimizing energy consumption by maintaining active monitoring only when necessary, rather than continuous high-power processing.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If the device is designed to be portable and wearable for continuous monitoring, then patient convenience and compliance improve, but the device may lack the robustness needed for comprehensive medical monitoring

Engineering Contradiction:
Improveportability and wearabilityVSAvoidmonitoring robustness
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The device is segmented into modular functional components: portable sensor modules for environmental and physiological monitoring, a compact control unit for data processing, and wireless communication modules for remote data transmission. This segmentation allows the device to maintain portability and wearability while ensuring that each component is optimized for its specific function, thereby preserving monitoring robustness despite the compact form factor.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The control unit acts as an intermediary between the portable sensors and the patient/healthcare system. It processes sensor readings, validates data accuracy, triggers alerts, and communicates with external systems (smartphones, healthcare providers). This intermediary function ensures that the device maintains reliable medical-grade monitoring while remaining portable, as the control unit manages the complexity of data processing and validation without requiring a bulky system.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If remote monitoring capabilities are added to allow healthcare providers to track patient data, then healthcare quality and patient safety improve, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improvehealthcare qualityVSAvoidremote monitoring integration
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical data transmission systems with wireless communication technologies (Bluetooth, Wi-Fi, cellular modules) to enable remote monitoring. This substitution allows healthcare providers to access patient data from anywhere without requiring physical infrastructure changes or complex wired systems. The wireless communication modules integrate seamlessly with the existing sensor and control unit architecture, improving healthcare quality while minimizing the increase in device complexity and manufacturing cost.

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

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 patients to proactively manage and avoid asthma triggers, promotes medication adherence, and allows remote monitoring, thereby reducing symptom escalation and improving health management.

Implementation Method 1

an infrared sensor configured to measure the ambient temperature and the body temperature

Methodology Applied
Scientific EffectInfrared radiation detection: Infrared Radiation

Implementation Method 2

a pulse oximeter sensor configured to measure the blood oxygen saturation level and the heart rate

Methodology Applied
Scientific EffectLight absorption spectroscopy: Absorption Spectroscopy

Implementation Method 3

a UV sensor configured to measure the intensity of ultraviolet radiations

Methodology Applied
Scientific EffectUltraviolet radiation detection: Absorption (EM radiation)

Implementation Method 4

an atmospheric sensor configured to measure the humidity level and the altitude

Methodology Applied
Scientific EffectHumidity detection: Hygrometer

Implementation Method 5

an air quality sensor configured to measure the CO2 levels and the total volatile organic compounds (TVOCs)

Methodology Applied
Scientific EffectGas detection: Absorption Spectroscopy

Data Source

PatentUS12502084B2Healthcare device for persons suffering from chronic respiratory diseases
Publication Date: 2025.12.23 BHAT ANIKA
  • US12502084B2 patent drawing
  • US12502084B2 patent drawing

AI summary

A healthcare device for asthmatic patients that can help in reducing and avoiding risk factors that can trigger one or more symptoms of asthma. The healthcare device includes an infrared sensor, a pulse oximeter sensor, a UV sensor, an atmospheric sensor, and an air quality sensor for measuring values of different risk factors including ambient temperature, body temperature, blood oxygen saturation level, heart rate, intensity of ultraviolet radiations, humidity level, altitude, CO2 levels, and total volatile organic compounds (TVOCs).