Portable AED Case Thermal Management

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Solution Overview

Problem

Existing AED storage solutions fail to maintain the operational temperature range of 0-45°C during transport and off-duty periods, leading to unreliable functionality and lack of immediate alert and communication capabilities, especially in mobile applications.

Innovation Solution

A portable AED case with thermally insulating materials and phase-change materials for temperature regulation, integrated sensors for monitoring and alerting, and communication devices for reporting status and location, allowing for independent operation without constant electrical or communication connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If AED is stored in stationary cabinet with constant electrical connection, then temperature control and reliability are improved, but mobility and ease of transport are worsened

Engineering Contradiction:
ImproveAED functionality reliabilityVSAvoidMobility and ease of transport
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent transforms the AED storage system from a static stationary cabinet to a dynamic portable case that can be easily transported while maintaining temperature control functionality through phase-change materials that adapt to environmental conditions during movement

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The portable case uses phase-change materials that automatically regulate temperature without requiring external power sources, making the system self-sufficient for temperature control during transport and eliminating the need for constant electrical connections

Inventive Principle:
Principle #25Self-service

2Ease of operation

If AED is transported without constant electrical connection, then mobility is improved, but temperature control and reliability are worsened

Engineering Contradiction:
ImproveMobility during transportVSAvoidTemperature control within operational range
Core Design Contradiction:
Ease of operationVSTemperature

Solution Approach 1:

The patent incorporates phase-change materials that absorb and release thermal energy during phase transitions (e.g., melting and freezing), automatically maintaining the AED temperature within the operational range of 0-45°C without requiring external power during transport

Inventive Principle:
Principle #36Phase transitions

Solution Approach 2:

The portable case uses composite thermal management materials that combine phase-change materials with insulating materials to create a multi-functional thermal regulation system that provides both temperature control and portability

Inventive Principle:
Principle #40Composite materials

3Loss of information

If AED cabinet has constant communication connection, then monitoring and alert capabilities are improved, but device complexity and power requirements are worsened

Engineering Contradiction:
ImproveStatus reporting and alarm notificationVSAvoidCommunication and power infrastructure requirements
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The portable case includes sensors that continuously monitor temperature and AED status, providing feedback through indicators on the case and automated alerts to authorities when the AED is removed or temperature thresholds are exceeded, enabling monitoring without constant complex communication infrastructure

Inventive Principle:
Principle #23Feedback

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

Maintains the AED's operational temperature range for extended periods without power, ensures reliable functionality, and enables immediate alert and communication, facilitating fast and easy transport and deployment in emergency situations.

Implementation Method 1

the cavity also comprises a means for removing thermal energy from the case within the case if the temperature overruns an upper threshold and for releasing thermal energy within the case if the temperature underruns a lower threshold

Methodology Applied
Scientific EffectPhase change: Phase Change

Implementation Method 2

AEDs are available at many public places such as railways stations, airports or important touristic sights. In order to make sure that an AED is working reliably if needed, proper storage of AEDs is indispensable.

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentUS20230166118A1Portable AED case
Publication Date: 2023.06.01 TRISULT HLDG BV

AI summary

A mobile case for an AED includes a device for regulating the temperature in order to keep the AED within its operational temperature range of 0 to 45° C. for at least 48 hours. The case may also include sensors controlling temperature, global position and the technical status of the AED as well as a communication device which allows for reporting the data of the AED and its position to a control center.