Carbon Dioxide External Preparation for Skin Application
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Solution Overview
Problem
Carbon dioxide external preparations with multiple components require all components to be mixed before use, making them cumbersome, and mono-component types face issues with weight reduction and physical properties, particularly in non-aqueous gelatinous forms.
Innovation Solution
A pasty carbon dioxide external preparation comprising a paste base agent, alcohol, carbonate, and/or acid-generating substances that react to produce carbon dioxide upon water application, providing continuous effects like vasodilation and wound healing without pre-mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple components (viscous aqueous preparations) are used to ensure carbon dioxide generation, then carbon dioxide generation capability is improved, but weight reduction becomes difficult and device complexity increases
Solution Approach 1:
The patent combines carbonate and acid components into a single viscous aqueous preparation that can be stored stably without premature carbon dioxide generation. This merging eliminates the need for separate component containers and reduces overall weight while maintaining reliable carbon dioxide generation when applied to the skin.
Solution Approach 2:
The single preparation serves multiple functions: it provides the viscous base for skin application, contains both reactive components (carbonate and acid) for carbon dioxide generation, and maintains storage stability. This multi-functionality reduces the number of separate components needed and simplifies the overall system.
2Reliability
If multiple components are mixed before use to generate carbon dioxide, then carbon dioxide generation is ensured, but ease of operation deteriorates due to complex mixing procedures
Solution Approach 1:
By combining carbonate and acid components into a single stable viscous preparation, the patent eliminates the need for complex mixing procedures. The user simply applies the preparation to the skin, and carbon dioxide is generated automatically through the stable formulation, greatly improving ease of operation.
Solution Approach 2:
The preparation contains all necessary components and automatically generates carbon dioxide when applied to the skin through the controlled reaction within the viscous matrix. This self-service mechanism eliminates the need for user intervention in the mixing process, simplifying operation.
3Weight of moving object
If non-aqueous gelatinous form is used to reduce weight, then weight reduction is achieved, but manufacturing precision deteriorates due to difficulty in obtaining evaluable gelatinous properties
Solution Approach 1:
The patent modifies the physical parameters of the preparation by using a viscous aqueous formulation with controlled viscosity and water content. This parameter optimization allows the preparation to maintain gel-like properties that can be properly evaluated during manufacturing while still achieving weight reduction compared to traditional heavy gels.
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 preparation is easy to use, sticks to the skin, and generates carbon dioxide upon water absorption, offering benefits such as vasodilation, muscle recovery, anti-cancer effects, and skin improvements, with improved convenience and effectiveness compared to existing methods.
Implementation Method 1
a paste base agent, an alcohol, a carbonate, an acid and/or a substance that generates an acid by hydrolysis... which react to produce carbon dioxide upon water application
Implementation Method 2
a substance that generates an acid by hydrolysis (hereinafter referred to as 'alternative of acid' in some cases)
Data Source
AI summary
Provided is a nonaqueous carbon dioxide external preparation in single dosage form, the external preparation comprising a paste base, carbonate, an acid and/or a substance which produces an acid by hydrolysis, and alcohol. Merely by being applied onto skin, this external preparation is useful due to obtaining the effect of a specific action of carbon dioxide.