Variable Base Measuring Device for Compression Dressing Pressure
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Solution Overview
Problem
Existing measuring devices for compression pressure of compression bandages face inaccuracies and difficulties in comparing measurements due to variables like leg shape, tissue consistency, and sensor size, leading to scattering of values and challenges in replicating the musculoskeletal system and movement sequences.
Innovation Solution
A measuring device with a variable base body that can mimic the shape and circumference of a limb, featuring adjustable shells and pressure sensors embedded within or on the base body, allowing for standardized and reproducible in vitro measurement of compression pressure, including the Static Stiffness Index, by simulating the natural conditions of a limb and enabling precise adjustment of bandage tension and overlap.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If compression dressings are applied manually or with simple devices, then the application process is simple, but the compressive pressure cannot be determined or controlled precisely
Solution Approach 1:
The patent replaces manual mechanical application with an automated winding mechanism that uses a motor-driven reel to apply the compression dressing. This mechanical substitution enables precise control of the winding tension and speed, allowing accurate determination of compressive pressure through sensors while eliminating the imprecision of manual application.
Solution Approach 2:
The measuring device incorporates sensors that automatically detect and record the compressive pressure during the winding process. The system self-measures the applied pressure without requiring external measurement tools or manual intervention, enabling continuous monitoring and precise determination of the compressive pressure profile throughout the dressing application.
2Manufacturing precision
If compression dressings are applied without controlled winding parameters, then the application is faster, but the compressive pressure profile cannot be optimized
Solution Approach 1:
The winding mechanism operates continuously to apply the compression dressing in one uninterrupted motion from the wound to the application site. The motor-driven reel maintains consistent rotational speed and tension throughout the winding process, ensuring a uniform compressive pressure profile is achieved without interruptions or variations that would compromise precision.
Solution Approach 2:
Sensors integrated into the winding mechanism provide real-time feedback on the applied compressive pressure. This feedback allows the control system to monitor and adjust winding parameters dynamically, ensuring the desired pressure profile is achieved while maintaining optimal application speed. The system can detect deviations and correct them automatically.
3Measurement precision
If the measuring device has multiple sensors and complex mechanisms, then measurement accuracy improves, but the device becomes more expensive and complex
Solution Approach 1:
The winding mechanism serves multiple functions: it applies the compression dressing, controls the winding tension, and houses the sensors for pressure measurement. The motor-driven reel and tensioning mechanism are not only used for application but also integrate the measurement functionality, reducing the need for separate dedicated components and simplifying the overall device structure.
Solution Approach 2:
The patent combines the winding mechanism and measurement system into a single integrated device. The sensors are incorporated directly into the winding apparatus, merging the application and measurement functions. This integration reduces the number of separate components, simplifies the device structure, and lowers costs while maintaining measurement precision.
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 accurate and comparable measurements of compression bandages, allowing for assessment of different bandages and modifications, as well as tracking changes over time, with reduced measurement errors and improved simulation of dynamic limb conditions.
Implementation Method 1
the main body (1) has sensors (3), which are connected to a measuring and evaluating device
Data Source
AI summary
The invention relates to a measuring device (10) for determining the compressive pressure of compression dressings (19), comprising a main body (1) which is rotatable about its longitudinal axis and on which a compression dressing (19) can be wound, and a winding mechanism (13) for receiving and dispensing a compression dressing (19) to a main body (1), wherein the main body (1) and/or the winding mechanism (13) are/is movable in translation via a linear unit (15), and the main body (1) has sensors (3), which are connected to a measuring and evaluating device.