Hand-Held Nasal Irrigation Device Using Gravity and Vacuum Suction
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Solution Overview
Problem
There is a lack of practical devices that allow for nasal irrigation using a combination of gravity, pressure, and suction methods in a single device, and no devices utilize suction alone for nasal irrigation, posing challenges in convenience, cleanliness, and safety.
Innovation Solution
A hand-held nasal irrigation device that incorporates a source of saline solution, an effluent receptacle, a nasal interface, and a vacuum source, allowing for controlled nasal irrigation using gravity, suction, and optionally pressure, with a switch and valve assembly to manage fluid flow, enhancing the irrigation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If nasal irrigation is performed using gravity alone, then the device structure is simple, but the irrigation effectiveness and control are insufficient
Solution Approach 1:
The patent combines multiple irrigation methods (gravity, pressure, and suction) into a single device. The device includes a saline solution source, effluent receptacle, nasal interface, and vacuum source that can work together or independently, resolving the contradiction by merging functions rather than choosing one approach.
Solution Approach 2:
The device is designed to perform multiple functions: it can irrigate using gravity alone, pressure alone, suction alone, or any combination thereof. This multi-functionality allows the device to adapt to different user needs and anatomical variations, improving reliability while maintaining reasonable complexity through integrated design.
2Productivity
If nasal irrigation is performed using pressure methods, then the irrigation flow is improved, but the risk of harm to Eustachian tube ostia increases
Solution Approach 1:
The device incorporates a one-way valve assembly that provides feedback control on fluid flow. The valve allows fluid to pass in the forward direction but prevents backflow, automatically regulating pressure to prevent excessive force from reaching the Eustachian tube ostia while maintaining effective irrigation flow.
Solution Approach 2:
The one-way valve acts as an intermediary between the pressure source and the nasal cavity. It mediates the pressure transmission, allowing controlled forward flow while blocking harmful backpressure, thus protecting the Eustachian tube ostia from damage while maintaining irrigation effectiveness.
3Ease of operation
If nasal irrigation is performed using traditional methods, then the device is simple, but cleanliness and convenience are poor
Solution Approach 1:
The device merges the saline solution source, effluent receptacle, nasal interface, and vacuum source into a single integrated hand-held unit. This combination improves convenience by eliminating the need for multiple separate components and setup steps, while the integrated design manages complexity through unified construction.
Solution Approach 2:
The device incorporates a vacuum source that automatically draws effluent through the nasal cavity and into the effluent receptacle without requiring manual manipulation or positioning. This self-service feature improves ease of operation by eliminating the need for users to manually control fluid flow or clean up mess, while the automated function is achieved through integrated vacuum technology.
4Adaptability or versatility
If a single device incorporates multiple irrigation methods, then the versatility is improved, but the device complexity increases
Solution Approach 1:
The device merges gravity feed, pressure generation, and suction capabilities into a single integrated system. The saline solution source can feed by gravity, the pump can generate pressure, and the vacuum source can create suction, all within one device structure. This merging achieves versatility while managing complexity through integrated design rather than separate components.
Solution Approach 2:
The device is designed as a universal nasal irrigation system that can perform all three irrigation methods (gravity, pressure, suction) and any combination thereof. The multi-functionality is achieved through integrated components that can work independently or together, providing adaptability to different user needs while maintaining a unified device structure.
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, safe, and effective nasal irrigation method that effectively cleans the nasal cavity, reduces nasal congestion, and improves airflow by using a combination of gravitational and suction-based mechanisms, minimizing mess and potential harm to the Eustachian tube ostia.
Implementation Method 1
a vacuum source, allowing for controlled nasal irrigation using gravity, suction
Implementation Method 2
The nasal interface engages a device user's nostrils to deliver saline solution by gravity from the source to the nasal cavity
Data Source
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 the relative vacuum from an effluent receptacle generates a fluid flow for irrigating, cleansing and massaging the nasal cavity and ostia of a user. The entire device is assembled as a hand-held device for convenient lifting and disposal against the user's nostrils.