Dual Sterilization Indicator Merging Temperature and Cycle Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Users performing sterilization processes in multiple conditions are forced to purchase and stock multiple different test strips, increasing operation costs and risking user errors due to confusion in selecting the correct indicator for specific sterilization conditions.
Innovation Solution
A dual sterilization indicator configured to work for two different sterilization conditions, featuring a temperature indicator that assists users in determining the used condition by changing color based on exposure to specific temperatures, and including pass zones and color standards for visual confirmation of sterilization acceptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple different test strips are used for different sterilization conditions, then the accuracy of sterilization indication is improved, but the device complexity and operational cost increase
Solution Approach 1:
The patent combines multiple sterilization condition indicators into a single test strip by integrating multiple chemical compositions that respond to different sterilization conditions (e.g., 121°C for 15 minutes, 134°C for 3 minutes) within the same device structure, eliminating the need for multiple separate test strips
Solution Approach 2:
The test strip is designed to perform multiple functions by incorporating different chemical compositions that can indicate various sterilization conditions simultaneously, making a single device applicable to multiple sterilization protocols rather than requiring condition-specific indicators
2Measurement precision
If multiple different test strips are stocked for different sterilization conditions, then the measurement precision is improved, but the loss of time and operational cost increase
Solution Approach 1:
The patent combines multiple sterilization condition indicators into a single test strip, eliminating the need for users to select between multiple different indicators and reducing the time required for correct indicator selection to near zero
3Measurement precision
If multiple different test strips are used for different sterilization conditions, then the measurement precision is improved, but the ease of operation deteriorates due to user error risk
Solution Approach 1:
The patent combines multiple sterilization condition indicators into a single test strip, eliminating the selection step that causes user errors and making the operation simpler and more reliable
Solution Approach 2:
The patent uses distinct color changes for different sterilization conditions within the same test strip, providing clear visual differentiation that prevents misinterpretation and user errors while maintaining high measurement precision
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 dual indicator reduces the need for multiple test strips, decreases user error by clearly indicating the sterilization condition, and ensures accurate assessment of sterilization acceptability across different conditions, thereby lowering operational costs and enhancing user confidence.
Implementation Method 1
a temperature indicator configured to indicate a temperature used in a sterilization cycle
Implementation Method 2
The device is capable of indicating whether or not the autoclave was held at a temperature above or below the melting point for a period of time once the melting point is reached
Data Source
Figure 1~3
Figure 4~6
AI summary
A steam sterilization indicator for indicating acceptability of a sterilization cycle includes a temperature indicator for indicating the temperature used in the sterilization cycle.