Respiration Sensor Light Feedback for Ventilation Monitoring
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Solution Overview
Problem
Medical professionals face challenges in intuitively determining the appropriateness of non-invasive positive pressure ventilation in patients, particularly during cardiopulmonary arrest, as they may overlook respiratory abnormalities while operating ventilation devices.
Innovation Solution
A physiological information processing system comprising a respiration sensor and a light emitting device connected to a processing apparatus that detects respiratory parameters and changes the light's visual aspect based on threshold ranges, allowing medical workers to intuitively recognize respiratory abnormalities or operation timing through visual cues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If non-invasive positive pressure ventilation is performed on a patient, then the patient receives respiratory support, but the medical worker cannot intuitively grasp whether the ventilation is being appropriately performed
Solution Approach 1:
The system continuously monitors respiratory parameters (respiratory rate, tidal volume, airway pressure) and provides real-time visual feedback through the light emitting device. When parameters are within the threshold range, the device displays a first visual aspect (e.g., green light); when parameters exceed the threshold range, it displays a second visual aspect (e.g., red light), enabling immediate feedback on ventilation appropriateness
Solution Approach 2:
The light emitting device changes its visual aspect (color or light pattern) based on the respiratory parameter thresholds. This color-coded feedback system allows medical workers to instantly recognize whether ventilation is appropriate without needing to continuously monitor numerical data or complex displays
2Productivity
If medical workers focus on operating the ventilation device, then ventilation can be delivered, but they may overlook respiratory abnormalities
Solution Approach 1:
The light emitting device acts as an intermediary between the complex respiratory monitoring system and the medical worker. It translates multiple respiratory parameters into a simple, intuitive visual signal that can be perceived at a glance, allowing workers to maintain focus on ventilation delivery while still monitoring for abnormalities
3Reliability
If continuous monitoring of respiratory parameters is implemented, then ventilation appropriateness can be assessed, but the system complexity increases
Solution Approach 1:
The system extracts only the most critical respiratory parameters (respiratory rate, tidal volume, airway pressure) and compares them against predefined thresholds. By focusing on these key parameters rather than continuously displaying all available data, the system maintains high monitoring reliability while keeping the interface simple and manageable
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 medical workers to promptly identify respiratory abnormalities and adjust ventilation accordingly, reducing the risk of inappropriate ventilation and improving patient care by providing visual feedback on respiratory conditions.
Implementation Method 1
a light emitting device that is configured to emit light toward an outside
Data Source
AI summary
A physiological information processing system includes: a respiration sensor that is configured to detect a respiratory condition of a subject to whom a ventilation device is attached; a light emitting device that is configured to emit light toward an outside; and a physiological information processing apparatus that is connected to the respiration sensor and the light emitting device. The physiological information processing apparatus is configured to: acquire a parameter relevant to respiration of the subject; determine whether or not the parameter is included in a threshold range; and change a visual aspect of the light emitting device in response to determining whether or not the parameter is included in the threshold range. The light emitting device is removably attached to a columnar body.