Chest Drainage System with Gas Concentration Sensor
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current chest drainage systems lack an objective method for determining when to remove chest drains, leading to prolonged hospital stays and potential complications due to subjective decision-making by medical practitioners.
Innovation Solution
A chest drainage system with a circulation assembly that includes selective intake and exhaust flow devices and a sensor to monitor the concentration of reference gases, allowing for the detection of leaks and healing status by displacing fluid within the system with ambient air, thereby providing objective data for decision-making.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If subjective decision-making by medical practitioners is used to determine chest drain removal timing, then individualized care is provided, but hospital stay duration increases and complications may occur
Solution Approach 1:
The system implements continuous monitoring of fluid characteristics (turbidity, gas content, volume) and provides real-time feedback to clinicians. This objective feedback loop enables data-driven decisions about drain removal timing, replacing purely subjective judgment while maintaining individualized care protocols.
Solution Approach 2:
The patent replaces the mechanical/subjective decision-making process with an automated sensing and measurement system. Optical sensors, gas detectors, and fluid analysis devices objectively assess healing progress, substituting human intuition with quantifiable metrics to determine optimal removal timing.
2Reliability
If chest drains are left in place longer to ensure safety, then complications are reduced, but hospital stay duration and medical costs increase
Solution Approach 1:
Automated sensing systems with multiple parameters (fluid clarity, gas detection, volume measurement) provide objective criteria for drain removal. This replaces conservative, prolonged drain placement with evidence-based timing, ensuring safety while optimizing hospital resource utilization.
Solution Approach 2:
The system monitors multiple changing parameters of the drained fluid over time (turbidity decreasing, gas content changing, volume trends). By tracking these dynamic parameters, the system determines the optimal removal point more precisely than fixed protocols, balancing safety with reduced hospital stay.
3Loss of time
If premature chest drain removal occurs based on subjective assessment, then hospital stay is reduced, but complications and readmission rates increase
Solution Approach 1:
Real-time monitoring provides continuous feedback on fluid characteristics, alerting clinicians to signs of incomplete healing before removal is considered. This feedback mechanism prevents premature removal by objectively indicating when drainage is sufficient and healing is complete.
Solution Approach 2:
The system performs preliminary assessment of healing progress through continuous fluid analysis before the removal decision point is reached. By evaluating multiple parameters in advance, the system ensures that removal timing is appropriate, preventing complications while optimizing discharge timing.
4Measurement precision
If multiple monitoring parameters are implemented to improve decision accuracy, then measurement precision increases, but device complexity increases
Solution Approach 1:
The system employs multi-functional sensors that simultaneously measure multiple parameters (optical properties, gas content, fluid volume) using integrated sensing platforms. This universal approach achieves comprehensive monitoring with fewer discrete components than separate specialized sensors would require.
Solution Approach 2:
Multiple sensing functions are merged into an integrated monitoring system. The patent combines optical sensors, gas detectors, and fluid level sensors into a unified platform that collects and analyzes multiple parameters simultaneously, reducing overall system complexity compared to separate monitoring devices.
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 system improves the accuracy and timeliness of leak detection and healing assessment, enabling more informed decisions about when to remove chest drains, reducing hospital stays and complications.
Implementation Method 1
transitioning between the first and second configurations during operation of the circulation assembly displaces at least a portion of fluid within the system with fluid from outside the system via the intake and the exhaust
Implementation Method 2
a sensor is arranged in fluid communication with the fluid within the system and configured to detect a concentration of a reference fluid in the fluid in the system
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A chest drainage system, including a circulation assembly having an intake for taking fluid into the system and an exhaust for exhausting fluid out of the system. An intake flow device is configured to selectively control fluid flow through the intake and an exhaust flow device is configured to selectively controlling fluid flow through the exhaust. The circulation assembly has a first configuration and a second configuration such that transitioning between the first and second configurations during operation of the circulation assembly displaces at least a portion of fluid within the system with fluid from outside the system via the intake and the exhaust. A sensor is arranged in fluid communication with the fluid within the system and configured to detect a concentration of a reference fluid in the fluid in the system.