Multispectral Blood Measurement System for Non-Invasive Nutrient Monitoring

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Solution Overview

Problem

Current wearable activity monitoring devices lack the ability to non-invasively measure blood metrics such as nutrient concentrations, limiting their utility for real-time health monitoring and fitness tracking beyond basic activity tracking.

Innovation Solution

A multispectral blood metrics measurement system comprising an energy transmitter, energy receiver, and analyzer that projects energy at specific wavelengths associated with nutrients in the blood, detects the reflected energy, and determines nutrient concentrations, enabling the measurement of various blood metrics like glucose, hemoglobin, and cholesterol, with a user interface for displaying results and generating alerts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If non-invasive blood metric measurement is implemented, then health monitoring capability is improved, but measurement precision deteriorates

Engineering Contradiction:
Improvehealth monitoring capabilityVSAvoidblood metric measurement accuracy
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The measurement system segments the blood metric measurement into multiple wavelength components (first wavelength, second wavelength, and third wavelength) to measure different blood metrics simultaneously. This allows non-invasive monitoring of multiple parameters including blood glucose, oxygen saturation, and other hemodynamic parameters, improving health monitoring capability while maintaining measurement precision through multi-parameter analysis

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transitions from single-wavelength measurement to multi-wavelength spectral measurement, adding the spectral dimension to the measurement process. By measuring at multiple wavelengths (first, second, and third wavelengths), the system extracts additional information about blood composition and hemodynamics, enabling non-invasive measurement of multiple blood metrics simultaneously

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If multispectral measurement system is implemented, then blood metric measurement capability is improved, but device complexity increases

Engineering Contradiction:
Improveblood metric measurement capabilityVSAvoidsystem structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system merges multiple measurement functions into a single integrated device that can measure multiple blood metrics simultaneously. The energy transmitter combines multiple wavelength sources, the energy receiver captures signals at all wavelengths, and the analyzer processes all signals to determine multiple blood metrics including glucose, oxygen saturation, and other parameters, reducing the need for multiple separate devices

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The measurement system is designed with universal functionality to measure multiple blood metrics using the same hardware platform. The energy transmitter, energy receiver, and analyzer are configured to handle multiple wavelengths and multiple measurement types, making the device versatile for monitoring various blood parameters without requiring separate specialized equipment for each metric

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 non-invasive, real-time monitoring of blood metrics, facilitating user control over energy levels and metabolism, improving health management for fitness enthusiasts and the general population, while being comfortable and accessible beyond medical purposes.

Implementation Method 1

The energy receiver may generate a composite signal based on a fraction of the energy at the first wavelength and the second wavelength, the fraction of the energy being received through the tissue of the user. The fraction of the energy may be received by the energy receiver after the fraction of the energy is reflected by the tissue of the user.

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentEP4032469A1Systems and methods of multispectral blood measurement
Publication Date: 2022.07.27 ITAMAR MEDICAL SPRY 2021 LLP
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AI summary

An exemplary system comprises an energy transmitter, an energy receiver, and an analyzer. The energy transmitter may project energy at a first wavelength and a second wavelength into tissue of a user, the first wavelength and the second wavelength being associated with at least one nutrient of a set of nutrients in blood of the user. The energy receiver may generate a composite signal based on a fraction of the energy at the first wavelength and the second wavelength, the fraction of the energy being received through the tissue of the user. The analyzer may separate the composite signal into a first signal corresponding to the first wavelength and a second signal corresponding to the second wavelength, and detect, in the blood of the user, a concentration of the at least one nutrient of the set of nutrients based on the first signal and the second signal.