Handheld ECG and PPG Monitoring for Simultaneous Vital Signs

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current devices for monitoring cardiovascular health parameters such as blood pressure, SpO2, and ECG are either implemented separately or combine functionality to measure only two of these parameters, lacking a comprehensive, simultaneous monitoring solution.

Innovation Solution

A handheld monitoring device integrating electrodes for ECG measurements and optical sensors for PPG to simultaneously measure blood pressure, SpO2, and ECG, utilizing a neural network to estimate blood pressure based on PPG measurements and demographic information.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple monitoring devices are used to measure blood pressure, SpO2, and ECG, then measurement comprehensive is improved, but device complexity increases

Engineering Contradiction:
Improvemeasurement comprehensiveVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines blood pressure monitoring, SpO2 measurement, and ECG recording functionality into a single integrated handheld device. The device includes a processor that receives signals from multiple sensors (PPG sensor for blood pressure and SpO2, ECG electrodes for cardiac electrical activity) and coordinates their operation, eliminating the need for separate monitoring devices and reducing overall system complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The handheld monitoring device is designed with multi-functionality to perform multiple cardiovascular monitoring tasks simultaneously. It can measure blood pressure, oxygen saturation, and ECG waves all in one device, making it a universal tool for comprehensive cardiovascular assessment that replaces multiple specialized devices.

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

2Measurement precision

If separate monitoring devices are used for each parameter, then measurement precision is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvemeasurement precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

By merging multiple monitoring functions into a single handheld device, the system maintains the precision of individual measurements while significantly improving ease of operation. The integrated device allows all measurements to be performed simultaneously at the patient's bedside without requiring multiple separate devices, making the monitoring process more convenient and efficient.

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If comprehensive multi-parameter monitoring is implemented, then productivity is improved, but device complexity increases

Engineering Contradiction:
ImproveproductivityVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The integration of multiple monitoring parameters into a single device enables simultaneous measurement of blood pressure, SpO2, and ECG, improving productivity by eliminating the need to switch between multiple devices. The coordinated operation of sensors and processor within one unit allows comprehensive monitoring to be performed more efficiently.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The multi-functional handheld device can perform various cardiovascular monitoring tasks within a single operational sequence, enhancing productivity. The device's ability to measure multiple parameters simultaneously and provide comprehensive cardiovascular assessment in one unified system improves monitoring efficiency compared to using separate specialized devices.

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 simultaneous and comprehensive monitoring of blood pressure, SpO2, and ECG, providing critical patient care data with clinical accuracy and convenience.

Implementation Method 1

an optical sensor to perform a PPG and measure a blood pressure and an SpO2 of the user

Methodology Applied
Scientific EffectLight absorption: Absorption (EM radiation)

Implementation Method 2

a set of sensors, and one or more of the set of sensors may comprise an electrode to measure electrical signals corresponding to cardiac activity of the user

Methodology Applied
Scientific EffectElectrical signal detection: Electric Field

Data Source

PatentUS20250380878A1Multi-parameter monitoring device
Publication Date: 2025.12.18 ALIVECOR INC
  • US20250380878A1 patent drawing
  • US20250380878A1 patent drawing
  • US20250380878A1 patent drawing

AI summary

Embodiments of the present disclosure provide a monitoring device that combines blood pressure, SpO2, and ECG monitoring functionality into a single handheld device and can measure these parameters simultaneously. The monitoring device may comprise a first sensor comprising an electrode to measure electrical signals corresponding to cardiac activity of a user's heart and a second sensor comprising an electrode as well as an optical sensor to perform a PPG and measure an amount of light absorbed by the blood of the user concurrently with measurement of the electrical signals. The optical sensor may generate a blood pressure signal and an oxygen saturation signal based at least in part on the amount of light absorbed by the blood of the user. The optical sensor may include a neural network trained to estimate blood pressure based on PPG measurements and demographic information of the user, as discussed in further detail herein.