Reversible Respiratory Circuit Component for Mode Switching
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Solution Overview
Problem
Current respiratory support circuits lack the ability to seamlessly switch between different modes of operation, such as dual-limb and single-limb configurations, which limits their adaptability and effectiveness in various respiratory therapy applications.
Innovation Solution
A system and method that includes a body with multiple control and circuit ports, allowing for fluid coupling with a pressure generator and respiratory support circuit components, enabling switching between first and second modes of operation by forming distinct flow paths, thereby accommodating different respiratory therapy configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a respiratory support circuit uses a fixed single configuration (single-limb or dual-limb), then the circuit design is simple and reliable, but the adaptability to different respiratory therapy applications is limited
Solution Approach 1:
The respiratory support circuit incorporates a multi-mode body that can operate in multiple configurations (single-limb, dual-limb, and other modes) through a single integrated component. The body includes multiple control ports (first control port, second control port) and circuit ports (first circuit port, second circuit port) that can be selectively connected to different components such as the pressure generator, exhalation valve, and exhalation limb, allowing one device to perform multiple respiratory therapy functions without requiring separate circuits for each mode
2Adaptability or versatility
If the respiratory support circuit cannot switch between modes, then the circuit design is simple and reliable, but the effectiveness in various respiratory therapy applications is reduced
Solution Approach 1:
The respiratory support circuit incorporates a switching mechanism that enables dynamic reconfiguration between different operational modes. The body can switch between first mode of operation (using first control port and first circuit port) and second mode of operation (using second control port and second circuit port), allowing the system to adapt to different respiratory therapy requirements while maintaining reliable operation through controlled mode transitions
3Adaptability or versatility
If multiple separate circuits are used for different respiratory therapy modes, then each mode can be optimized independently, but the overall system complexity and number of components increases
Solution Approach 1:
The patent merges multiple circuit configurations into a single integrated respiratory support circuit. Instead of using separate circuits for single-limb and dual-limb modes, the invention combines them into one circuit with a multi-mode body that includes multiple control ports and circuit ports. This unified design reduces the total number of components while maintaining the ability to perform multiple respiratory therapy modes through selective connection of the body to different components
Data Source
AI summary
Systems and methods for coupling a respiratory support circuit (5, 5a) to a pressure generator (140) include multiple flow paths 13,17) for corresponding modes of operation. A first flow path (13) for a first mode of operation couples fluidly between the pressure generator, through a control port (12) and a circuit port (14), to an exhalation limb (20) of a dual-limb configuration of a respiratory support circuit. A second flow path (17) for a second mode of operates couples fluidly between the pressure generator, through a control port (16) and a circuit port (18), an exhalation valve (21) of a single-limb configuration of the respiratory support circuit.