Modular Humidification System for Warming Therapy

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Solution Overview

Problem

Conventional humidification systems in warming therapy devices are difficult to clean and maintain due to their integrated design, which complicates the creation of a sterile and hygienic environment for medical patients.

Innovation Solution

A modular humidification system with easily removable components, including a reservoir body and cover, that can be disassembled and cleaned using an autoclave, allowing for efficient maintenance and service without disturbing the patient.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the humidification system is integrated into the base of the warming therapy device, then the device provides complete humidification functionality, but the system becomes difficult to disassemble and clean

Engineering Contradiction:
ImprovesterilityVSAvoidcleanability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The humidification system is divided into separate modular components including a water reservoir, heating element assembly, and housing that can be easily disassembled from the base. This segmentation allows each component to be independently removed and cleaned, resolving the contradiction between maintaining integrated functionality and enabling easy disassembly for sterilization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating element and water reservoir are extracted as removable assemblies from the base housing. This extraction allows the humidification components to be completely removed for thorough cleaning and autoclaving, while the base structure remains intact, thus maintaining both complete cleanability and functional integrity.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If the humidification system is built into the base, then the device maintains stable functionality, but it requires disturbing the patient for refilling and servicing

Engineering Contradiction:
Improvefunctional stabilityVSAvoidserviceability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The humidification system is segmented into a removable module that can be accessed and serviced independently. The water reservoir and heating element can be removed and refilled without requiring access to the patient area, allowing maintenance while the patient remains undisturbed in the warming device.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A removable interface assembly serves as an intermediary between the base and the humidification components. This intermediary allows easy attachment and detachment of the water reservoir and heating element, enabling serviceability without disturbing the patient while maintaining stable functional connection during operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If conventional humidification systems are used, then basic humidification is provided, but thorough cleaning and autoclaving are difficult or impossible

Engineering Contradiction:
ImprovesterilityVSAvoiddisassembly complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The humidification system is divided into completely separable components including the water reservoir, heating element, and housing that can be independently removed. This segmentation enables each component to be fully disassembled and placed in an autoclave for thorough sterilization, overcoming the limitation of conventional integrated systems.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

All cleaning-sensitive components including the heating element and water reservoir are extracted as removable assemblies from the base. This complete extraction allows the entire humidification system to be removed and autoclaved as separate pieces, ensuring thorough sterilization while keeping the base structure intact.

Inventive Principle:
Principle #2Taking out (Extraction)

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 modular design facilitates thorough cleaning and maintenance, ensuring a sterile environment by allowing individual elements to be easily removed and reinserted, thereby reducing the risk of contamination and improving hygiene.

Implementation Method 1

The heating element typically acts to heat the water within the reservoir, and thus create humidity by adding water vapor to heated air

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 2

The temperature within the warming therapy device may be adjusted using a heating element located within the air circulation system of the warming therapy device

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentEP2394624B1Warming therapy device including modular humidification system
Publication Date: 2018.06.13 DRAEGER MEDICAL SYSTEMS INC
  • EP2394624B1 patent drawingFigure 1
  • EP2394624B1 patent drawingFigure 2
  • EP2394624B1 patent drawingFigure 3~4

AI summary

An apparatus comprising: a base (12) for supporting a medical patient; and, a humidifier module (20) removably coupled to the base (12), the humidifier module (20) including a main reservoir (50) and an evaporator reservoir (52) separated by a channel (70); wherein the humidifier module (20) further comprises a cover (58) coupled to one of the main reservoir (50) or the evaporator reservoir (52) with a post (76) extending outwardly therefrom, such that the post (76) is disposed within the channel (48) when the cover (58) is closed; and, wherein the post (76) includes a slot (78) disposed therein which permits the flow of fluid between the main reservoir (50) and the evaporator reservoir (52).