Adjustable Headgear Assembly for Adhesive-Free Interface Positioning
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Solution Overview
Problem
Existing gas delivery interface systems for patients, such as masks and nasal cannulas, often cause skin reactions, abrasions, and stress sores due to adhesive use and complex headgear arrangements, and require frequent repositioning, especially in infant applications.
Innovation Solution
A headgear system with adjustable ear loops, top straps, and a backstrap, utilizing hook and loop fasteners, allows for easy installation and repositioning without adhesives, minimizing stress on the user's head and reducing the likelihood of snub nosing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesive patches or tapes are used to position gas delivery interfaces, then the interface can be securely positioned, but skin reactions, abrasions, and breakdown occur
Solution Approach 1:
The patent removes adhesive patches and tapes from the system entirely, replacing them with a headgear-based retention system that secures the interface through mechanical means (straps and buckles) rather than dermal adhesion, thereby eliminating skin contact with harmful adhesives
Solution Approach 2:
The headgear acts as an intermediary device between the user's head and the gas delivery interface, providing secure positioning through straps and buckles without requiring direct skin-contact adhesives, thus mediating the retention function while avoiding skin harm
2Adaptability or versatility
If adhesive tape is repeatedly applied and removed to reposition the interface, then therapy can be adjusted, but skin breakdown increases
Solution Approach 1:
The patent eliminates the need for repeated adhesive application and removal by providing a headgear system with adjustable straps and buckles that allow interface repositioning through mechanical adjustment rather than adhesive reapplication, thereby preventing cumulative skin damage
Solution Approach 2:
The headgear system incorporates dynamic adjustment capabilities through movable buckles and adjustable straps, allowing the interface position to be changed without removing adhesive patches, thus enabling therapy adaptation while maintaining skin integrity
3Reliability
If complex headgear with elasticised straps and buckles is used to hold the interface, then secure positioning is achieved, but stress sores and contact abrasion occur
Solution Approach 1:
The patent applies local quality by using soft, cushioned materials at specific contact points on the headgear (such as behind the ears and on the forehead) to distribute pressure evenly and prevent stress sores, while maintaining secure retention through strategically positioned buckles and straps
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 secure, comfortable, and easy-to-use interface positioning that minimizes skin irritation and stress sores, facilitating seamless transitions between treatment therapies while maintaining effective gas delivery.
Implementation Method 1
The first adjustable ear loop can comprise a first connection portion configured to be removably attachable to a first attachment zone of the headgear... The first attachment zone can be configured to be attachable to different portions along the first connection portion
Data Source
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AI summary
A headgear and a related headgear assembly, includes a backstrap portion, first and second adjustable ear loops, and first and second top strap portions. The first and second top strap portions are configured to selectively connect to one another. The first and second adjustable ear loops define first and second adjustable ear openings that can be made larger or smaller by engaging with the first and second adjustable ear loops. For example, the headgear can include attachment zones that are configured to removably connect with the first and second adjustable ear loops. Optionally, the headgear assembly can include a removable forehead securement member configured to provide horizontal stability to the headgear.