Compression Bandage with Adjustable Protruding Threads
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Solution Overview
Problem
Compression bandages used for therapeutic purposes, such as treating oedemas, require frequent changes as the body part circumference reduces, leading to inconsistent compression, and existing methods like Velcro fasteners are not effective in maintaining a consistent compressive effect.
Innovation Solution
The compression bandage design features protruding sections of compression threads that can be adjusted by varying their length, allowing for individual adjustment of the compressive effect without opening the bandage, using a tubular main body with integrated handling sections and secure fastening to maintain the set configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the compression bandage is made with a closed tubular form, then the structural integrity and compression effect are maintained, but the adaptability to changing body part circumference is reduced
Solution Approach 1:
The compression bandage incorporates adjustable compression threads that can be dynamically modified in length to adapt to changing body part circumference. The threads extend through the tubular main body and can be pulled out or shortened to adjust the compression level, allowing the closed tubular structure to dynamically adapt to therapeutic needs while maintaining its structural integrity.
2Manufacturing precision
If the compression bandage is made individually for each stage of therapy, then the compression precision is improved, but the manufacturing complexity and cost increase
Solution Approach 1:
The bandage is designed with adjustable compression threads that allow post-manufacturing modification of compression levels. This dynamic adjustment capability enables a single manufactured bandage to serve multiple compression stages, eliminating the need to manufacture multiple individually tailored bandages while maintaining precise compression control throughout therapy.
Solution Approach 2:
The compression level can be adjusted by changing the effective length of the compression threads. By pulling out or shortening the threads, the compression parameter can be modified without remanufacturing the entire bandage, allowing precise compression control at different therapy stages from a single manufactured product.
3Adaptability or versatility
If the compression bandage is opened and cut to reduce circumference, then the adaptability is improved, but the compression thread grip is lost and the compression effect fails
Solution Approach 1:
Instead of permanently altering the bandage structure by cutting, the compression threads can be dynamically adjusted by pulling them out to the desired length and securing them. This maintains the closed tubular structure and the compression threads' grip on the fabric, while still allowing circumference and compression level adjustment.
4Ease of operation
If a Velcro fastener is used to create an open form bandage, then the ease of operation is improved, but the compression precision and consistency deteriorate
Solution Approach 1:
The compression threads provide a dynamic adjustment mechanism where the effective compression length can be precisely controlled by how much the thread is pulled out. This maintains compression precision while allowing easy adjustment, as the threads can be pulled and secured at any desired position without requiring fasteners or complex mechanisms.
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
Enables consistent compressive effect throughout therapy, even as the body part circumference changes, by allowing for precise adjustment of compression thread length without compromising the bandage's integrity or ease of use.
Implementation Method 1
The flat material constitutes a main body of the compression bandage that can be stretched in the circumferential direction. The compression threads extend in the plane of the flat material, passing through the flat material in the circumferential direction; when the compression bandage is applied, they generate the intended compression effect.
Data Source
AI summary
A compression bandage with a tubular, flexible flat material for surrounding a bodily member and with a number of elastic compression threads, whereby this flat material constitutes a main body that can be stretched in the circumferential direction. A number of elastic compression threads run in the plane of the flat material in the direction of the circumference, and create the compressive effect when the compression bandage is applied. At least parts of at least some of the compression threads protrude outside the flat material, allowing the compressive effect to be adjusted by varying the length of each of the protruding external portions.