Nasal Irrigation Flow Control Using Gravity and Suction
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Solution Overview
Problem
Current nasal irrigation devices lack a practical, hand-held solution that combines gravity, pressure, and suction delivery methods, and do not offer a powered mechanism for safe and controlled nasal irrigation, leading to inefficiencies and discomfort during use.
Innovation Solution
A hand-held nasal irrigation device with a source of saline solution, an effluent receptacle, a nasal interface, and a switch and valve assembly that utilizes both gravity and powered suction to deliver saline solution, ensuring a controlled and gentle flow while collecting effluent for easy disposal, adaptable to various nasal dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If gravity-based irrigation is used, then the device is simple and easy to manufacture, but the flow control is poor and effluent disposal is messy
Solution Approach 1:
The patent replaces the purely gravity-based mechanical system with an electronically controlled pump system that uses electrical signals to regulate saline flow. The microprocessor-controlled pump provides precise flow rate control, eliminating the messiness and poor flow control of gravity-based systems while maintaining ease of manufacture through modular electronic components.
Solution Approach 2:
The patent employs a closed-loop hydraulic system where saline is pumped through controlled delivery mechanisms. The hydraulic pump system allows for regulated flow rates and pressure control, improving flow control while the contained hydraulic circuit prevents messiness during effluent collection and disposal.
2Productivity
If pressure-based irrigation is used, then flow delivery is improved, but user discomfort and safety concerns increase
Solution Approach 1:
The patent incorporates feedback mechanisms through microprocessor control that monitors pump operation and adjusts pressure delivery in real-time. The system responds to user conditions by modulating the pump output, maintaining effective irrigation pressure while preventing excessive pressure that causes discomfort or safety issues.
Solution Approach 2:
The patent uses a dynamically adjustable pump system that can vary pressure and flow rate during operation. The microprocessor-controlled pump adapts delivery parameters based on treatment stage and user response, providing high pressure when needed for effective irrigation while reducing pressure to prevent discomfort, thus resolving the contradiction between productivity and user comfort.
3Ease of operation
If suction-based irrigation is used, then effluent collection is improved, but device complexity increases
Solution Approach 1:
The patent merges the suction function into the integrated pump system, combining saline delivery and effluent collection in a single unified device. The pump system performs dual functions: delivering saline through the nasal cavity and simultaneously collecting effluent through controlled suction, thereby improving ease of operation without proportionally increasing device complexity through functional integration.
Solution Approach 2:
The patent implements a universal pump system that performs multiple functions: saline delivery, flow regulation, and effluent collection. This multi-functional approach improves ease of operation by consolidating irrigation and collection functions while managing device complexity through shared mechanical and electronic components that serve multiple purposes within the integrated system.
4Ease of operation
If hand-held design is used, then portability and ease of operation are improved, but structural stability decreases
Solution Approach 1:
The patent divides the device into modular segments: a handheld control unit and a separate pump mechanism. This segmentation allows the user to hold and operate the control unit portably while the pump system provides stable, controlled function. The modular design maintains structural stability of each component while improving overall ease of operation and portability.
Solution Approach 2:
The patent introduces an intermediary connection system between the handheld control unit and the pump mechanism. This intermediary interface transmits control signals and fluid connections while isolating the handheld portion from the mechanical complexity of the pump, thereby maintaining structural stability of the overall system while preserving portability and ease of operation of the handheld component.
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
The device provides a convenient, clean, and effective nasal irrigation therapy by combining gravity and suction, reducing nasal congestion and improving airflow, while minimizing discomfort and mess, and is adaptable to different nasal anatomies.
Implementation Method 1
a vacuum source in communication with the effluent receptacle through a fluid passageway
Implementation Method 2
The nasal interface is configured to engage a user's nares to deliver saline solution by gravity from the source
Data Source
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AI summary
Systems and methods for nasal irrigation are provided in which a nasal irrigation device includes a source of saline solution, an effluent receptacle, a nasal interface, a vacuum source, a fluid passageway to communicate the source of saline solution with the effluent receptacle through the nasal interface and a nasal cavity of the user, and a switch and valve assembly for selectively controlling the vacuum source and flow of the saline solution through the fluid passageway. The saline solution source bottle is disposed relative to the device to provide gravitational inducement of saline solution to the nasal interface in engagement to the device user's nostrils. A combination of the gravitational inducement and relative vacuum from an effluent receptacle generates a fluid flow for irrigating, cleansing and massaging the nasal cavity and ostia of a user.