Oximeter System Concurrent Body Motion and Oxygen Saturation Detection
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Solution Overview
Problem
Current oximeter systems require manual recording of behavior logs to correlate body motion with respiratory disease presentation, making it labor-intensive and subjective to determine the optimal oxygen flow rate for patients with chronic or quasi-chronic respiratory failure.
Innovation Solution
A pulse oximeter system that concurrently detects blood oxygen saturation and body motion at a predetermined sampling frequency, expressing both along a common time axis to objectively analyze the correlation between changes in oxygen saturation and body motion, eliminating the need for manual log recording.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual recording of behavior logs is used to correlate body motion with respiratory disease presentation, then the system can capture patient activity data, but the process becomes labor-intensive and subjective in determining optimal oxygen flow rate
Solution Approach 1:
The patent replaces the mechanical manual recording system with an automated sensor-based detection system. Motion sensors and oximeters automatically capture body motion data and oxygen saturation levels, eliminating the need for manual behavior log recording while providing more precise and objective measurements of the correlation between patient activity and respiratory function.
Solution Approach 2:
The system enables self-service by automatically monitoring and recording patient data without requiring nurse or patient intervention for logging. The automated system continuously captures motion data and oxygen saturation levels, processes the information, and generates therapeutic recommendations independently, significantly reducing operational labor while maintaining measurement precision.
2Loss of information
If manual behavior logging is implemented, then patient activity can be recorded, but it takes time and labor to combine measurement results with behavior logs
Solution Approach 1:
The patent merges multiple data collection functions into a single integrated system. Motion sensors, oximeters, and processing units are combined to simultaneously capture body motion data, oxygen saturation levels, and therapeutic recommendations in one unified automated system, eliminating the separate manual processes of logging and combining data that previously consumed time and labor.
Solution Approach 2:
The manual process of combining measurement results with behavior logs is replaced by an automated data processing system that continuously integrates sensor data, analyzes correlations between motion and respiratory function, and generates therapeutic recommendations without requiring manual intervention, thereby eliminating time loss while maintaining complete patient information.
3Measurement precision
If manual behavior logs are used, then some patient data can be captured, but it is difficult to objectively judge exercise amount for prescribing optimal oxygen flow rate
Solution Approach 1:
The patent replaces subjective manual assessment of exercise amount with objective sensor-based measurement systems. Motion sensors and accelerometers automatically detect and quantify patient activity levels, providing precise numerical data on exercise intensity and duration that can be directly used to prescribe optimal oxygen flow rates, eliminating the subjectivity and imprecision of manual logging.
Solution Approach 2:
The system performs self-service by automatically monitoring motion parameters, calculating exercise amounts, and generating therapeutic recommendations without requiring complex manual analysis. The automated processing unit continuously analyzes sensor data and provides objective exercise measurements that directly inform oxygen therapy prescriptions, reducing the need for complex manual evaluation procedures.
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 allows for accurate and efficient acquisition of analysis data, enabling objective judgment of respiratory disease presentation and optimal oxygen flow rate determination without manual labor, thereby improving diagnostic efficiency and therapeutic decision-making.
Implementation Method 1
measuring a variation in oxygen saturation in an arterial blood
Implementation Method 2
an actigraph for judging whether a subject is in sleep or awake
Data Source
AI summary
An oximeter system includes a blood oxygen saturation detector for detecting blood oxygen saturation information of a subject, a body motion detector for detecting body motion information of the subject, a controller for causing the blood oxygen saturation detector to acquire the blood oxygen saturation information, and causing the body motion detector to acquire the body motion information at a predetermined sampling frequency concurrently and respectively sequentially, and a display unit for displaying data concerning the acquired blood oxygen saturation information and data concerning the acquired body motion information along a common time axis.