Bypass Adaptor Geometry for Tight Respiratory Connections
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Solution Overview
Problem
Respiratory assistance systems face challenges in temporarily bypassing the humidification device for testing or other purposes due to the incompatibility of inspiratory conduits with standard ventilator connectors, which often require electrical connections and prevent direct connection to the ventilator.
Innovation Solution
Inspiratory conduits with specialized connectors that include features such as electrical connections and lockable mechanisms to attach to humidification devices, along with bypass adaptors that allow temporary connection to the ventilator without direct connection to the humidification device, ensuring compatibility and preventing liquid drainage onto electrical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the inspiratory conduit includes specialized connectors with electrical connections to attach to the humidification device, then the electrical functionality and liquid containment are improved, but the adaptability to connect directly to the ventilator without bypass adaptors deteriorates
Solution Approach 1:
The connector is divided into distinct functional segments: a liquid-tight sealing portion and an electrical connection portion. This segmentation allows the liquid containment features to protect electrical components while maintaining separate functional zones, resolving the contradiction between reliability of electrical connections and adaptability to different connection scenarios.
Solution Approach 2:
The connector acts as an intermediary component that interfaces between the humidification device and inspiratory conduit. It provides both liquid-tight sealing and electrical connection capabilities in a single integrated component, enabling reliable electrical functionality while maintaining the ability to connect to different systems through standardized interfaces.
2Object-affected harmful factors
If the connector includes liquid-tight sealing features to prevent liquid drainage onto electrical components, then the safety is improved, but the ease of operation for temporary bypass deteriorates
Solution Approach 1:
The connector incorporates dynamic features such as movable seals or flexible membranes that can be temporarily displaced or opened to allow bypass operation, then return to their sealed position to prevent liquid spillage. This dynamic behavior allows the system to switch between safety mode (sealed) and operation mode (bypass enabled).
Solution Approach 2:
Different portions of the connector have different properties: the main body provides liquid-tight sealing, while specific access points or release mechanisms provide controlled openings for bypass operation. This local differentiation of properties allows simultaneous achievement of safety and ease of operation.
3Stability of the object's composition
If the connector is designed with lockable mechanisms to secure connection to the humidification device, then the connection stability is improved, but the ease of operation for temporary disconnection deteriorates
Solution Approach 1:
The lockable mechanism is designed to be easily engaged (locked) during normal operation to ensure connection stability, and easily disengaged (unlocked) when bypass operation is needed. The periodic switching between locked and unlocked states is facilitated by simple manual operation, resolving the contradiction between stability and ease of disconnection.
Solution Approach 2:
Instead of requiring force to disconnect a locked connector, the mechanism is designed so that a simple releasing action (such as pressing a button or pulling a tab) automatically disengages the lock. This inverted approach makes disconnection easier while maintaining strong locked connection during normal use.
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 efficient temporary bypass of the humidification device for testing or other purposes while maintaining electrical functionality and preventing liquid spillage, enhancing usability and safety in respiratory assistance systems.
Implementation Method 1
a heater adjacent the humidification chamber to heat the liquid to produce vapor
Implementation Method 2
The float may rise and fall with the level of liquid in the chamber
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A bypass adaptor for a respiratory assistance system including an inlet connector configured to connect to a gases source outlet and defining a first gases passageway with a first axis and an outlet connector configured to connect to an inspiratory conduit connector and defining a second gases passageway with a second axis, the second gases passageway being fluidly connected to the first gases passageway, the inspiratory conduit connector being incompatible with direct connection to the gases source outlet, wherein the first axis is separated from the second axis by an angle that allows the inspiratory conduit connector to be connected via the bypass adaptor to the gases source outlet in a space smaller than the length of the inspiratory conduit connector. Also provided are a port cap assembly and a humidifying apparatus including the port cap assembly, wherein the port cap assembly provides for improved assembly and/or usability.