Bioimpedance Electrode Positioning via Movable Support Element
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Solution Overview
Problem
Existing bioimpedance measurement devices face challenges in achieving precise and comfortable measurements due to difficulties in maintaining correct electrode positioning relative to the user's anatomy, leading to suboptimal electrical contact and potential measurement inaccuracies.
Innovation Solution
The device incorporates a positionable support element with adjustable height, horizontal directional component, and rotatable design, allowing for optimal electrode placement and user posture, combined with a guide element that can be displaced along a rail for precise alignment and mechanical resilience, ensuring good electrical contact and comfortable use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If fixed electrode positions are used, then device complexity is reduced, but measurement precision deteriorates due to inability to adapt to different user anatomies
Solution Approach 1:
The support element for hand electrodes is made movable along a guide element, allowing dynamic adjustment of electrode position. This enables adaptation to different user anatomies while maintaining a relatively simple overall device structure, resolving the contradiction between measurement precision and device complexity.
2Adaptability or versatility
If adjustable support elements are added, then adaptability to user anatomy is improved, but device complexity increases
Solution Approach 1:
The guide element serves multiple functions: it guides the movable support element, provides structural support, and defines the adjustment path. This multi-functionality reduces the need for additional separate components, achieving adaptability while controlling device complexity.
3Ease of operation
If hand electrodes are positioned in fixed locations, then ease of operation is reduced, but device complexity is minimized
Solution Approach 1:
The movable support element allows users to adjust electrode positions to achieve comfortable and correct contact. This dynamic adjustment capability significantly improves ease of operation while adding only moderate complexity through the guide element mechanism.
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
This configuration enables accurate and comfortable bioimpedance measurements by adapting to user anatomy, preventing lateral contact and ensuring precise electrode positioning, resulting in reliable fat content determination.
Implementation Method 1
the electrical resistance of such adipose tissue is significantly greater than the electrical resistance of muscles or body fluids. This fat content can therefore be determined by means of a corresponding resistance or impedance measurement
Data Source
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AI summary
The device is used to measure bioimpedances and has in each case at least one measurement electrode for each foot and each hand of a person who is to be measured. The electrodes are connected to an evaluation unit. In addition, at least one balance is used to determine a body weight of the person who is to be measured. The hand electrodes, provided for contact with the hands of the person who is to be measured, are arranged in the area of at least one positionable support element.