Antenna Reflection Coefficient Analysis for Non-Invasive Blood Glucose Monitoring
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Solution Overview
Problem
Access to health monitoring, particularly for blood sugar measurement, is often invasive, costly, and inconvenient, especially for low-income populations, leading to higher health risks and costs.
Innovation Solution
Utilizing wireless technologies on existing devices like laptops and smartphones to monitor health metrics by measuring the reflection coefficients of antennas when in proximity to biological tissues, allowing for non-invasive and cost-effective blood substance concentration monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional invasive blood sugar measurement methods are used, then measurement precision is improved, but ease of operation and user convenience deteriorate
Solution Approach 1:
The patent replaces mechanical/invasive blood sampling methods with wireless electromagnetic field-based measurement. The system uses an antenna to generate electromagnetic fields that interact with biological tissues, measuring reflection coefficients to determine blood substance concentrations without physical penetration or contact with blood samples.
Solution Approach 2:
The patent introduces electromagnetic fields as an intermediary between the measurement device and biological tissues. The antenna emits electromagnetic fields that penetrate tissues and reflect back, carrying information about blood substance concentrations. This intermediary enables non-invasive measurement while maintaining measurement capability.
2Measurement precision
If traditional health monitoring devices are used, then measurement precision is improved, but device complexity and cost deteriorate
Solution Approach 1:
The patent makes existing wireless devices (smartphones, laptops, tablets) perform health monitoring functions by integrating antenna-based measurement capabilities. The same antenna used for wireless communication also serves as the sensing element for health metrics measurement, eliminating the need for separate specialized monitoring devices.
Solution Approach 2:
The patent enables existing wireless devices to serve dual purposes: their original communication function plus health monitoring. The antenna and processing circuits already present in these devices are repurposed to measure blood substance concentrations, making the devices self-sufficient for health monitoring without requiring additional external equipment.
3Measurement precision
If invasive blood sugar measurement is used, then measurement precision is improved, but loss of time and frequency of monitoring deteriorate
Solution Approach 1:
The patent enables continuous or frequent health monitoring by eliminating the invasive sampling process. Users can perform measurements multiple times throughout the day without the pain, discomfort, or time consumption associated with traditional methods, allowing for continuous tracking of blood substance concentrations over time.
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 convenient and cost-effective monitoring of blood glucose levels and other health metrics without the need for invasive procedures, reducing user costs and health risks.
Implementation Method 1
measuring the reflection coefficients of antennas when in proximity to biological tissues
Data Source
AI summary
An apparatus can include an antenna, transmitter circuitry coupled to the antenna, and processing circuitry coupled to the transmitter circuitry. The processing circuitry can measure a first reflection coefficient of the antenna in free space and a second reflection coefficient of the antenna when the antenna is proximate biological tissues. The processing circuitry can determine a contextual property of the biological tissues based on a comparison between the first coefficient and the reflection coefficient proximate biological tissues.