Segmented Compression Bandage With Detachable Closure
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Solution Overview
Problem
Existing secondary associations for wound care require professional expertise to apply, are difficult to adjust, and can cause pressure points or overcompression, making them challenging for laypersons to use effectively.
Innovation Solution
A ready-to-use secondary association with an elongated, hose-shaped bandage part that is partially slotted in the longitudinal direction, featuring different compression zones with varying radial compression strengths, and a closure part with locking elements for easy adjustment and application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wrap dressing is used to secure the primary wound dressing, then the primary wound dressing is protected from slipping, but the application requires trained professional expertise and is difficult for laypersons to use
Solution Approach 1:
The bandage is divided into a tubular bandage section and a separate closure section with closure elements. The closure section can be detached and repositioned to facilitate application, allowing the bandage to be wrapped around the limb and then secured without requiring complex wrapping skills.
Solution Approach 2:
Closure elements act as an intermediary mechanism between the bandage ends, providing a simple fastening system that eliminates the need for complex wrapping techniques. The closure elements enable secure attachment while allowing easy application by laypersons.
2Reliability
If a wrap dressing is applied to prevent slipping, then the primary wound dressing is secured, but wrinkles may form causing pressure sores
Solution Approach 1:
The separation of the closure section from the main bandage body allows for easier distribution of tension and more even wrapping, reducing the formation of wrinkles that could cause pressure sores.
Solution Approach 2:
The closure elements provide adjustable fastening that allows dynamic adjustment of tension during application, enabling the caregiver to achieve a secure fit without creating excessive localized pressure or wrinkles.
3Reliability
If a wrap dressing is applied to secure the wound, then the primary dressing is protected, but subsequent readjustment is difficult requiring re-wrapping or cutting
Solution Approach 1:
The detachable closure section can be easily opened and repositioned without cutting or unwrapping the entire bandage. This allows for simple readjustment of the bandage position or tension while maintaining the secured state of the primary wound dressing.
Solution Approach 2:
The closure elements enable dynamic adjustment of the bandage after application. The closure section can be detached and reattached at different positions or with different tension levels, facilitating easy readjustment without compromising the security of the primary dressing.
4Ease of operation
If a uniform compression bandage is used, then the application is simple, but it may exert dangerous overcompression or insufficient compression on different body parts
Solution Approach 1:
The bandage incorporates different compression zones along its length, with each zone designed to provide appropriate compression levels for specific anatomical regions. This allows the bandage to adapt to the varying compression needs of different body parts while maintaining a simple overall structure and application process.
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 association provides a simple, user-friendly solution for encasing leg or arm areas with optimal compression, reducing the risk of pressure points and overcompression, and can be applied without specialized knowledge.
Implementation Method 1
The stretch material comprises either elastomeric threads of different thicknesses, which create different compression strengths in the respective compression zones, or elastomeric threads with different pretensions, which create different compression strengths in the respective compression zones
Data Source
Figure 1A~1C
Figure 1D~1E
Figure 1F~2
AI summary
The invention relates to a bandage (100) for enclosing a leg region or arm region of a living being, said bandage comprising: an elongate, tubular bandage part (10), at least part of which has a single slit in the longitudinal direction (LR) and which is designed to elastically enclose the leg or arm region when worn; and a closure part (20) which has closure elements (22) and which is fixedly connected to one end of the slit region (B) of the bandage part in order to detachably seal the slit region (B) by connecting the adjacent ends of the slit region (B) in an overlapping manner by means of the closure elements (22, 22'). According to the invention, the bandage part (10) has different compression zones (K1, K2) in the longitudinal direction (LR) which each have different radial compression strengths transverse to the longitudinal direction (L).