External Defibrillator Wireless Data Transfer via Bump Sensor

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Solution Overview

Problem

Current external defibrillators require manual connection and do not facilitate quick and secure transfer of resuscitation event data between devices, which can delay critical interventions during cardiac emergencies.

Innovation Solution

The development of external defibrillators that can establish a wireless communication link through a physical bump event, allowing for the secure and rapid transfer of resuscitation event data without the need for physical connections, enabling efficient data sharing between devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual connection is used for data transfer between defibrillators, then connection reliability is improved, but transfer time increases and productivity decreases

Engineering Contradiction:
Improveconnection reliabilityVSAvoiddata transfer time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical connection (plugging cables) with wireless communication enabled by a bump sensor. When two defibrillators are bumped together, the sensor detects the impact and automatically initiates wireless data transfer, eliminating the need for manual cable connection while maintaining secure communication through physical proximity verification.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system performs self-service by automatically detecting the bump event through the sensor and initiating the data transfer process without requiring manual intervention. The defibrillators autonomously establish communication and transfer resuscitation data when brought into proximity, saving critical time during emergency situations.

Inventive Principle:
Principle #25Self-service

2Reliability

If manual connection is required for data transfer, then security is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvedata transfer securityVSAvoiddata transfer convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces manual cable connection with wireless communication that is triggered by a physical bump. The bump sensor detects when two devices are intentionally brought together, providing security through physical proximity verification while eliminating the complexity of manual plugging and configuration, making the process as simple as bumping the devices together.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The bump sensor acts as an intermediary that verifies intentional proximity between devices before enabling data transfer. This physical interaction serves as a secure authentication mechanism while maintaining ease of use, as the bump action is both secure and simple to perform.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If wireless communication is implemented without physical contact, then ease of operation is improved, but connection reliability deteriorates

Engineering Contradiction:
Improvedata transfer convenienceVSAvoidconnection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system performs preliminary verification by detecting the bump event before initiating wireless communication. The sensor confirms that two devices have been intentionally brought into proximity, establishing a trusted connection context before enabling data transfer, thus ensuring reliability while maintaining wireless convenience.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The bump sensor serves as an intermediary verification mechanism that confirms intentional proximity before activating wireless communication. This physical trigger provides reliability assurance while keeping the overall process simple and contactless for the actual data transfer.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP2638490B1Manually initiating wireless transmission of resuscitation event data to medical device
Publication Date: 2019.08.07 PHYSIO CONTROL CORP
  • EP2638490B1 patent drawingFigure 1~2
  • EP2638490B1 patent drawingFigure 3
  • EP2638490B1 patent drawingFigure 4A~4C

AI summary

An external defibrillator can include a bump sensor for generating motion information and a bump detector for determining whether the external defibrillator has been subjected to a local bump event. The external defibrillator can transmit wirelessly a data signal encoding resuscitation event data to a second external defibrillator over a wireless communication link between the two devices.