Nasal Irrigation System with Dynamic Head Orientation
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Solution Overview
Problem
Current methods for nasal and sinus irrigation are ineffective due to transient and unpredictable contact time between the irrigation fluid and the nasal/sinus membranes, leading to inadequate treatment of sinusitis and other conditions, with many devices causing irritation and discomfort.
Innovation Solution
A system comprising a Head Orientation Unit, a Fluid Introduction and Retention Unit, and an optional Fluid Agitation Unit, which allows for prolonged and predictable exposure of the nasal and sinus mucosa to a bathing fluid, using a Head Orientation Unit to secure the patient's head in a position that optimizes fluid retention and a Fluid Introduction and Retention Unit to maintain a liquid column in the nasal cavity, while the Fluid Agitation Unit introduces turbulence to enhance cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional nasal irrigation methods are used, then the nasal cavity can be flushed with fluid, but the contact time between fluid and nasal/sinus membranes is transient and unpredictable, leading to ineffective treatment
Solution Approach 1:
The patient positions their head in specific orientations using the head orientation unit BEFORE fluid introduction, preparing the nasal cavity geometry to retain fluid for extended periods. This preliminary positioning ensures that when fluid is introduced, it will contact the membranes for the required duration rather than immediately draining
Solution Approach 2:
The system dynamically adjusts head orientation in multiple positions during the irrigation process. The head orientation unit allows movement between different angular positions to optimize fluid retention in specific sinus cavities, adapting the geometry to maintain fluid contact rather than allowing immediate drainage
2Area of stationary object
If face-down position is assumed to allow liquid access to all cavities, then fluid can reach target areas, but liquid quickly flows out without sufficient residence time and causes Eustachian tube irritation
Solution Approach 1:
Instead of maintaining a static face-down position, the system uses dynamic head orientation adjustments. The head orientation unit enables the patient to move between different angular positions, optimizing fluid retention in specific cavities while preventing excessive fluid flow that would reduce residence time or cause irritation
Solution Approach 2:
The system applies different head orientations for different sinus cavities. Rather than using a single face-down position for all cavities, specific angular orientations are used to target specific cavities, allowing optimized fluid retention and contact time for each cavity while preventing fluid from flowing into sensitive areas like the Eustachian tubes
3Duration of action of moving object
If excess liquid is introduced to compensate for quick drainage, then fluid contact time increases, but Eustachian tube irritation and discomfort occur
Solution Approach 1:
The system uses dynamic head orientation to control fluid flow paths and retention without requiring excess fluid volume. By adjusting head position, the system maintains fluid in the nasal cavities for extended periods through geometric control rather than volume increase, preventing fluid from overwhelming the Eustachian tubes while achieving sufficient contact time
Solution Approach 2:
The system replaces the mechanical approach of increasing fluid volume to extend contact time with a geometric approach using head orientation. Instead of adding more fluid to compensate for drainage, the head orientation unit modifies the cavity geometry through positioning, allowing extended fluid retention with normal fluid volumes and preventing irritation
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 system provides prolonged and effective contact of the bathing fluid with nasal and sinus membranes, improving treatment efficacy and reducing irritation, allowing for precise delivery of medications that can bypass the liver and blood-brain barrier.
Implementation Method 1
a bubble level device to provide a display of the angular position of the head
Implementation Method 2
a Fluid Introduction and Retention Unit to maintain a liquid column in the nasal cavity
Implementation Method 3
the Fluid Agitation Unit introduces turbulence to enhance cleaning
Data Source
AI summary
Systems and method for delivering bathing liquid via a nostril of a face-down user to maintain a column of the liquid in prolonged and predictable contact with nasal and sinus mucosa, and create turbulence in the column of the liquid within a nasal cavity of the user to enhance debris removal from walls of the nasal cavity. A head orientation unit attachable to a head of the user includes an angle monitoring unit to provide an indication of an angular orientation of the user's head to optimize delivery of the liquid to target head structures. A liquid supply delivers the liquid through nostrils of the user to the target head structures, as a function of the angular orientation indication, at a pressure and flow rate that maintains a constant volume of the liquid in the nasal cavity and a sinus cavity of the user.