Magnetic Electrode Pads for Repeated CPR Defibrillation Training

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Solution Overview

Problem

Current CPR simulators are limited in allowing repeated defibrillation training due to the use of disposable electrode pads that lose adhesive force over time and cannot be reused accurately, leading to incorrect ECG signal analysis and increased training costs.

Innovation Solution

A CPR simulator employing semi-permanently usable magnetic electrode pads with proximity sensors to accurately attach and recognize the correct placement of pads on a dummy body, allowing repeated training without the need for frequent pad replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If disposable electrode pads are used for defibrillation training, then initial training can be conducted, but the pads lose adhesive force over time and cannot be reused accurately

Engineering Contradiction:

Improveadhesive forceVSAvoidreusable times

Core Design Contradiction:

ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The electrode pads are changed from disposable to reusable by modifying their physical and chemical properties. The adhesive layer is formulated to maintain stable adhesive force over multiple uses, and the gel composition is optimized to prevent drying and maintain conductivity across repeated training sessions.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

Instead of discarding the electrode pads after single use, the invention enables their recovery and repeated use. The pads are designed to be cleaned and reused multiple times while maintaining their functional properties, thereby reducing waste and training costs.

Inventive Principle:

Principle #34Discarding and recovering

2Productivity

If disposable electrode pads are used, then each trainee can practice, but training costs increase due to frequent pad replacement

Engineering Contradiction:

Improvenumber of traineesVSAvoidtraining cost

Core Design Contradiction:

ProductivityVSLoss of substance

Solution Approach 1:

The electrode pads are designed for recovery and repeated use across multiple trainees. The durable construction allows them to be cleaned and reused many times, significantly reducing the per-trainee cost while maintaining the ability to support multiple users.

Inventive Principle:

Principle #34Discarding and recovering

Solution Approach 2:

The reusable electrode pads serve multiple trainees and multiple training sessions, making them universally applicable across different users and situations, thereby reducing overall training costs.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Loss of substance

If reusable electrode pads are introduced, then training costs decrease, but accurate pad placement recognition becomes more difficult

Engineering Contradiction:

Improvetraining costVSAvoidpad placement accuracy

Core Design Contradiction:

Loss of substanceVSMeasurement precision

Solution Approach 1:

The invention replaces manual visual inspection of pad placement with an automated optical recognition system. Cameras and image processing algorithms automatically detect and verify the correct placement of electrode pads on the training mannequin, eliminating the need for manual checking and ensuring high precision.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Duration of action of stationary object

If the gel in unsealed electrode pads dries over time, then adhesive force is reduced, but the pads remain reusable

Engineering Contradiction:

Improvereusable timesVSAvoidadhesive force

Core Design Contradiction:

Duration of action of stationary objectVSReliability

Solution Approach 1:

The gel composition is formulated with optimized viscosity and moisture retention properties. The gel contains humectants and protective agents that prevent drying even after multiple uses, maintaining both adhesive force and electrical conductivity throughout the reusable lifecycle of the pads.

Inventive Principle:

Principle #35Parameter changes

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 effective and cost-efficient repeated defibrillation training by ensuring accurate pad placement, reducing training costs and improving the ability to practice defibrillation techniques among multiple trainees.

Implementation Method 1

one side of the electrode pad, a magnetic sheet having a magnetic force may be attached

Methodology Applied

Scientific EffectMagnetic force: Magnetism

Data Source

PatentUS9286809B2Cardiopulmonary resuscitation (CPR) simulator enabling repeated defibrillation training

Publication Date: 2016.03.15 BT INC

AI summary

There is provided a Cardiopulmonary Resuscitation (CPR) simulator enabling repeated defibrillation training to allow a user to practice CPR and use of a defibrillator, and the CPR simulator includes a dummy in a body shape similar to a human body shape; a first magnet installed on a upper right part of a chest of a body of the dummy; a second magnet installed on a bottom left side of the chest of the body of the dummy; a first training pad having a first metal sheet formed on one side thereof and a first electrode pad formed on the other side thereof; and a second training pad having a second metal sheet formed on one side thereof and a second electrode pad formed on the other side thereof.