Multi-Chamber Container Seal Breach Detection Indicator

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Solution Overview

Problem

Current containers for medical and biological solutions lack an effective indication mechanism to detect premature seal breaches between compartments, which can lead to unintended mixing or contamination of solution components.

Innovation Solution

A multi-chamber container design featuring frangible seals between compartments, with a third compartment acting as an indicator to detect any breach by containing an indicator material that changes state or color upon fluid presence, ensuring premature breaches are identified before use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If multiple compartments are separated by frangible seals to maintain solution stability and prevent premature reaction, then solution compatibility and stability are improved, but the risk of premature seal breach and unintended mixing increases

Engineering Contradiction:
Improvesolution stabilityVSAvoidseal integrity
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

A third compartment is introduced as an intermediary indicator chamber between the first and second compartments. This intermediate compartment contains an indicator that provides visual feedback about seal integrity, allowing users to detect premature breaches without directly exposing the solutions to each other until intended use.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

An indicator material is placed in the third compartment that changes color or state when exposed to fluid from the first or second compartments. This color-change mechanism provides clear visual detection of seal breaches, enabling timely identification of contamination or premature mixing conditions.

Inventive Principle:
Principle #32Color changes

2Ease of operation

If frangible seals are used to allow mixing when needed, then ease of operation is improved, but detection of premature breach becomes more difficult

Engineering Contradiction:
Improvemixing convenienceVSAvoidseal breach detection
Core Design Contradiction:
Ease of operationVSDifficulty of detecting and measuring

Solution Approach 1:

The third compartment serves as an intermediary detection chamber that receives fluid leakage from seal breaches. By placing the indicator in this intermediate compartment rather than directly monitoring the seals, the system achieves both ease of operation (seals can be broken intentionally) and reliable detection (indicator shows breach conditions).

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The indicator material in the third compartment undergoes color or state changes when exposed to solution fluids, providing clear visual detection of premature seal breaches. This makes breach detection as easy as observing color change in the indicator, while the frangible seals remain easily breakable for intended mixing.

Inventive Principle:
Principle #32Color changes

3Stability of the object's composition

If compartments are kept separate to prevent contamination, then solution compatibility is improved, but loss of time for detecting and responding to breaches increases

Engineering Contradiction:
Improvesolution compatibilityVSAvoidbreach detection time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The third compartment acts as an intermediary warning system that continuously monitors seal integrity through the indicator. When a seal breach occurs, the indicator immediately changes state, providing instant detection without requiring time-consuming inspection methods, thus enabling rapid response to maintain solution compatibility.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The indicator's immediate color or state change upon exposure to fluid provides real-time detection of seal breaches. This instantaneous visual feedback eliminates delays in detecting contamination, allowing users to respond immediately to maintain solution compatibility and prevent unintended mixing.

Inventive Principle:
Principle #32Color 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

The container effectively prevents unintended mixing by providing a visual or detectable indication of seal breaches, allowing for timely action such as discarding the container, thus maintaining solution stability and compatibility.

Implementation Method 1

containing an indicator material that changes state or color upon fluid presence

Methodology Applied
Scientific EffectColor change: Photochromism

Data Source

PatentUS8979817B2Multi-chamber container with seal breach detection
Publication Date: 2015.03.17 FENWAL INC
  • US8979817B2 patent drawing
  • US8979817B2 patent drawing
  • US8979817B2 patent drawing

AI summary

A container having multiple compartments formed by frangible seals in the interior chamber of the container is disclosed. The container comprises an indicator adapted to provide an indication that a seal breach between the chambers has occurred. Methods of forming a container having a seal breach detection indicator are also disclosed.