Bioimpedance Electrode Pads for Real-Time Hydration Monitoring
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Solution Overview
Problem
Current methods for monitoring hydration levels, such as body weight changes and urinalysis, are invasive and do not provide real-time information, failing to detect dehydration early enough to prevent performance impairment or serious dehydration conditions.
Innovation Solution
An electronic device using bioelectrical impedance to measure hydration levels by transmitting an electric signal through the body and analyzing impedance changes, allowing for non-invasive, real-time monitoring of hydration conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If body weight changes and urinalysis are used to monitor hydration levels, then hydration monitoring is possible, but the methods are invasive and do not provide real-time information
Solution Approach 1:
The patent replaces mechanical/invasive measurement methods (body weight changes, urinalysis) with an electrical field-based bioimpedance measurement system. The electrode pads transmit electrical signals through the skin to measure impedance changes, which correlate with hydration levels, providing non-invasive real-time monitoring without requiring physical sample collection or weight measurements.
Solution Approach 2:
The patent introduces electrical impedance as an intermediary parameter to indirectly measure hydration levels. Instead of directly measuring water content or requiring urine samples, the system uses impedance changes caused by variations in body water content as a mediator to infer hydration status, enabling non-invasive real-time detection.
2Loss of time
If traditional hydration monitoring methods are used, then hydration levels can be measured, but early detection of dehydration is not achieved
Solution Approach 1:
The patent implements continuous real-time monitoring using bioimpedance measurement, allowing dehydration to be detected at early stages before significant fluid loss occurs. The system continuously tracks impedance changes and can alert users to emerging dehydration conditions, enabling preventive action before performance impairment or serious dehydration develops.
3Ease of operation
If electrode pads are placed on the body for bioimpedance measurement, then non-invasive real-time hydration monitoring is achieved, but contact impedance between electrode and skin must be minimized
Solution Approach 1:
The patent introduces a conductive gel as an intermediary substance between the electrode pads and the skin. This gel reduces contact impedance by improving the electrical connection between the electrode and skin surface, thereby enhancing measurement accuracy while maintaining the non-invasive nature of the monitoring system.
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 early detection of dehydration, improving performance and health outcomes by providing timely alerts and recommendations, and is suitable for continuous wear on the body.
Implementation Method 1
An electronic device using bioelectrical impedance to measure hydration levels by transmitting an electric signal through the body and analyzing impedance changes
Data Source
AI summary
A method, system, apparatus, and/or device that may include: a housing, a sensor interface, and a processing device. The housing may be shaped to be affixed to a body of a user and may include an inner cavity that houses electronic components and an impedance sensor. The impedance sensor may include a first contact terminal and a second contact terminal. The sensor interface may be configured to: generate an electric signal; receive the electric signal through a skin layer below a surface of the body of the user; and determine an impedance measurement between the first contact terminal and the second contact terminal based on the electric signal. The processing device may be configured to determine, based on the impedance measurement: a condition of a vascular system of the user; an amount of a constituent of the vascular system of the user; or a hydration condition of the user.