Respiratory Interface Headgear With Anti-Tangling Strap Adjustment
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Solution Overview
Problem
Existing headgear for respiratory interfaces is not user-friendly and lacks comfort, often leading to tangling and difficulty in donning.
Innovation Solution
The headgear incorporates customizable straps with varying stretch characteristics, removable inserts, and internal rigid or semi-rigid components to provide improved fit and function, featuring adjustable buckles, limiters, and connectors to enhance comfort and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional headgear is used to secure respiratory interfaces, then the interface can be held in position, but the headgear becomes tangled and difficult to don
Solution Approach 1:
The headgear is divided into multiple independent straps (first strap, second strap, third strap) that can be adjusted and positioned separately. This segmentation prevents tangling by allowing each strap to be managed independently during the donning process, while still achieving the overall function of securing the respiratory interface.
Solution Approach 2:
The headgear incorporates adjustable elements including buckles with multiple positions and straps with varying stretch characteristics. These dynamic features allow the headgear to adapt to different head sizes and shapes, making it easier to don while maintaining secure fit during use.
2Reliability
If headgear is designed for secure fit, then the respiratory interface remains stable, but comfort is reduced
Solution Approach 1:
Different portions of the headgear have different stretch characteristics - some straps are more elastic while others are less elastic. This local variation in material properties allows certain areas to provide secure anchoring while other areas conform comfortably to the user's head, resolving the contradiction between secure fit and comfort.
Solution Approach 2:
The headgear allows adjustment of physical parameters such as strap length, buckle position, and tension distribution. By changing these parameters, the system can achieve both secure fit (through proper tensioning) and comfort (through even distribution of pressure points), allowing optimization for different users and conditions.
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 solution provides a more comfortable and user-friendly headgear that reduces tangling and simplifies the donning process, while maintaining secure fit and functionality during respiratory treatments.
Implementation Method 1
the at least one strap having a customizable stretch characteristic
Data Source
AI summary
Several embodiments of straps and headgear assemblies are described. Some of the embodiments provide straps that can had varied elasticity over the length of the straps. Some of the embodiments provide adjustment mechanisms that facilitate customization of headgear to a user.