Ventilator Interactive Guidance for Expiratory Flow Limitation
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Solution Overview
Problem
Respiratory diagnostic systems lack user-friendly guidance during and after respiratory tests, particularly in interpreting expiratory flow limitation results, which hinders clinicians' ability to make informed therapy decisions.
Innovation Solution
A ventilator system equipped with sensors and processors that apply forced oscillations to monitor expiratory flow limitation and display interactive guidance through a progressive color component on a user interface, updating a movable graphical component to indicate the subject's degree of expiratory flow limitation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If respiratory diagnostic systems display only real-time waveforms, then the system maintains simple operation, but the system lacks user-friendly guidance for interpreting expiratory flow limitation results
Solution Approach 1:
The patent introduces an intermediary visual guidance system that mediates between the raw respiratory waveform data and the clinician's interpretation needs. The progressive color component and movable graphical component act as intermediaries that translate complex expiratory flow limitation data into intuitive visual feedback, enabling users to easily assess test results without needing to deeply analyze raw waveforms.
Solution Approach 2:
The system implements real-time feedback by continuously updating the movable graphical component's position on the progressive color component based on monitored expiratory flow limitation values. This provides immediate visual feedback to clinicians during the test, allowing them to understand the subject's respiratory status dynamically without waiting for post-test analysis.
2Measurement precision
If the system provides detailed real-time monitoring of expiratory flow limitation, then the interpretation accuracy improves, but the user interface complexity increases
Solution Approach 1:
The patent employs color changes on the progressive color component to represent different levels of expiratory flow limitation. This visual encoding allows clinicians to quickly assess the severity and progression of flow limitation without needing to interpret complex numerical data or detailed waveforms, maintaining interface simplicity while providing precise monitoring information.
Solution Approach 2:
The system transforms one-dimensional numerical expiratory flow limitation data into a two-dimensional visual representation on the progressive color component with a movable graphical indicator. This dimensional transformation allows precise monitoring data to be displayed in an intuitive visual format that is easier to interpret at a glance.
3Speed
If the system updates graphical components continuously during forced oscillation, then real-time feedback is provided, but the processing requirements and system load increase
Solution Approach 1:
The system updates the movable graphical component's position based on the monitored expiratory flow limitation values during the forced oscillation test. By selectively updating only the critical visual indicator rather than processing and displaying all raw data continuously, the system provides real-time feedback while minimizing unnecessary computational overhead and energy consumption.
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
Provides real-time, user-friendly feedback to clinicians, enabling more informed decisions on treatment options by visually representing the subject's expiratory flow limitation, thus improving the interpretation of respiratory test results.
Implementation Method 1
cause, via an oscillator, a forced oscillation to be continuously applied to an airway of the subject for a time period
Data Source
AI summary
In certain embodiments, a ventilator may provide interactive guidance for obtaining a subject's expiratory flow limitation results. In some embodiments, the ventilator may cause a progressive color component to be presented, where the progressive color component indicates a progression from one color proximate one side of the progressive color component to another color proximate another side of the progressive color component. The ventilator may cause a forced oscillation to be continuously applied to an airway of the subject for a time period. The ventilator may monitor the subject's degree of expiratory flow limitation based on output signals generated by one or more sensors as the forced oscillation is continuously applied for the time period. The ventilator may cause, based on the monitoring, a movable component's position on the progressive color component to be continuously updated during the time period to indicate the degree of expiratory flow limitation.