Respiratory Control Unit Detecting Frustrated Breathing
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Solution Overview
Problem
Existing supportive ventilation devices for patients with breathing problems, such as those with COPD and hypercapnic respiratory insufficiency, often lead to uncomfortable and ineffective breathing due to frustrated breathing movements, which can be caused by intrinsic PEEP and trigger insufficiency, and are not adequately addressed by current technologies.
Innovation Solution
A device with a programmable control unit that uses sensors to detect frustrated breathing movements by analyzing respiratory air pressure and flow curves, identifying characteristic features such as maxima, minima, and deviations from reference curves, and automatically adjusts ventilation parameters to prevent these movements, without requiring additional invasive sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If supportive ventilation is provided using conventional devices, then ventilation is supplied to patients with breathing problems, but frustrated breathing movements occur due to intrinsic PEEP and trigger insufficiency, causing discomfort and inefficiency
Solution Approach 1:
The control unit proactively prevents frustrated breathing movements by adjusting ventilation parameters before the movements occur. The system continuously monitors respiratory effort and anticipates potential frustration by modifying IPAP, EPAP, or trigger sensitivity in advance, rather than reacting after the problem manifests.
Solution Approach 2:
The system implements continuous feedback by monitoring respiratory effort signals and analyzing pressure/flow curves to detect early signs of frustrated breathing movements. This feedback loop enables real-time adjustment of ventilation parameters to eliminate the harmful effects of intrinsic PEEP and trigger insufficiency.
2Measurement precision
If additional invasive sensors are added to detect frustrated breathing movements, then detection accuracy improves, but device complexity and patient comfort deteriorate
Solution Approach 1:
The control unit performs multiple functions using existing sensors: it not only provides basic ventilation control but also detects frustrated breathing movements by analyzing pressure and flow curve characteristics. This multi-functionality eliminates the need for additional invasive sensors while maintaining detection accuracy.
Solution Approach 2:
The system uses its own existing sensor arrangement and control unit to detect and analyze frustrated breathing movements, rather than requiring external monitoring equipment. The control unit processes the data from existing pressure and flow sensors to identify characteristic features of frustrated breathing.
3Adaptability or versatility
If ventilation parameters are manually adjusted, then individual patient needs can be addressed, but the workload on medical staff increases and real-time adaptation is difficult
Solution Approach 1:
The control unit automatically adapts ventilation parameters to individual patient needs by continuously analyzing respiratory effort signals and detecting frustrated breathing movements. The system self-adjusts IPAP, EPAP, and trigger settings without requiring manual intervention, enabling real-time adaptation to changing patient conditions.
Solution Approach 2:
The system implements automatic feedback-based parameter adjustment by monitoring respiratory patterns and dynamically modifying ventilation settings. When frustrated breathing movements are detected, the control unit automatically adjusts parameters to eliminate the frustration, reducing the need for manual recalibration by medical staff.
4Reliability
If high positive pressure is applied during inspiration to ensure adequate gas exchange, then ventilation effectiveness improves, but lung hyperdistension and patient discomfort increase
Solution Approach 1:
The system dynamically adjusts the inspiratory positive airway pressure (IPAP) based on real-time detection of frustrated breathing movements and respiratory effort. Rather than applying constant high pressure, the control unit modifies IPAP levels adaptively, ensuring adequate gas exchange while minimizing the risk of lung hyperdistension and discomfort.
Solution Approach 2:
The control unit changes ventilation parameters including IPAP, EPAP, and inspiration time based on detected breathing patterns. By adjusting these parameters dynamically rather than maintaining fixed high pressure, the system achieves adequate gas exchange while reducing harmful effects of excessive pressure on the lungs.
Data Source
AI summary
The invention relates to a device (1) for supportive respiration of a living being (3), said device having a sensor arrangement, a programmable control unit (10) and an air conveyance unit (6), which is controllable by the control unit (10). The sensor arrangement has a pressure sensor (9) and an air flow sensor (11), which are designed for the temporally successive detection of respiratory pressure values and respiratory air flow values of the living being (3). The programmable control unit (10) is designed to evaluate respiratory air pressure profiles and respiratory air flow profiles formed from the temporally successive respiratory pressure values and respiratory air flow values detected by the sensor arrangement In order to provide respiration for the living being (3) which is in particular comfortable and individually adapted to the current needs of the living being (3), according to the invention the programmable control unit (10) is designed to detect unsuccessful respiratory movements of the living being (3) and the cause thereof on the basis of characteristic features of the respiratory pressure profiles and/or the respiratory air flow profiles. The invention furthermore relates to a computer program having program code means, designed to carry out a method for supportive respiration of a living being (3) by means of a respirator device (1) when the computer program is executed on a computer unit of the respirator device (1).