Wearable Patch Integrating ECG and PPG Sensors for Synchronized Health Data

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Solution Overview

Problem

Current wearable health patches for monitoring vital physiological parameters face challenges such as inaccurate and unreliable data collection due to motion artifacts, environmental disruptions, and synchronization issues between separate devices.

Innovation Solution

A wearable patch integrating both electrocardiogram (ECG) and photoplethysmogram (PPG) sensors, with ECG electrodes on the bottom side for direct skin contact and a PPG optical window on the opposite side, allowing for simultaneous and synchronized data collection without the need for multiple devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate devices are used for ECG and PPG measurements, then each device can be optimized for its specific function, but synchronization complexity and device management burden increase

Engineering Contradiction:
Improvemeasurement reliabilityVSAvoidsynchronization complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines ECG and PPG sensors into a single wearable patch device, integrating multiple sensing functions into one unit. This merging eliminates the need for complex synchronization algorithms between separate devices while maintaining the specialized functionality of each sensor type, directly resolving the contradiction between measurement reliability and synchronization complexity

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If multiple separate devices are worn for comprehensive monitoring, then more physiological parameters can be measured, but user convenience and compliance decrease

Engineering Contradiction:
Improvemonitoring capabilityVSAvoiduser convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The wearable patch is designed as a multi-functional device that simultaneously performs ECG, PPG, and other physiological measurements. By integrating multiple sensing capabilities into a single universal device, the patent enables comprehensive health monitoring while significantly improving user convenience and compliance compared to wearing multiple separate devices

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

3Extent of automation

If separate devices operate independently, then each device can function autonomously, but data consistency and synchronization accuracy deteriorate

Engineering Contradiction:
Improvedevice autonomyVSAvoiddata synchronization accuracy
Core Design Contradiction:
Extent of automationVSMeasurement precision

Solution Approach 1:

By merging ECG and PPG sensors into a single integrated device with a shared clock system, the patent eliminates data synchronization issues inherent in independent devices. The unified architecture ensures that all sensors operate under a common time reference, guaranteeing precise temporal alignment of data streams while maintaining automated operation

Inventive Principle:
Principle #5Merging (Combining)

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

The integrated design enhances data accuracy and reliability by eliminating synchronization complexities and motion artifacts, while also improving user convenience and adherence to continuous monitoring protocols.

Implementation Method 1

an electrocardiogram, ECG, sensor; wherein electrodes of the ECG sensor are arranged on a bottom side of the patch that is attachable to a skin of a user

Methodology Applied
Scientific EffectElectrocardiogram: Electrical Impedance Tomography

Implementation Method 2

a photoplethysmogram, PPG, sensor; wherein an optical window of the PPG sensor is arranged on an opposite side of the patch

Methodology Applied
Scientific EffectPhotoplethysmogram: Absorption Spectroscopy

Data Source

PatentEP4563076A1A wearable patch for collecting health-related data, and a method of collecting synchronized data with said patch
Publication Date: 2025.06.04 AIKON TECHNOLOGIES BV
  • EP4563076A1 patent drawingFigure 1
  • EP4563076A1 patent drawingFigure 2
  • EP4563076A1 patent drawingFigure 3

AI summary

The invention relates to a wearable patch for collecting health-related data, comprising: an electrocardiogram, ECG, sensor; a photoplethysmogram, PPG, sensor; and wherein electrodes of the ECG sensor are arranged on a bottom side of the patch that is attachable to a skin of a user, and wherein an optical window of the PPG sensor is arranged on an opposite side of the patch.