Alcohol-Free T4 Thyroid Hormone Solutions With Multi-Barrier Packaging
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Solution Overview
Problem
Existing thyroid hormone T4 solutions suffer from premature conversion to T3 during storage, leading to inaccurate dosing and potential overdosing due to unpredictable T3 levels, exacerbated by low water solubility and instability in conventional alcohol-glycerol formulations.
Innovation Solution
Formulating T4 in alcohol-free water-glycerol solutions and packaging them in multi-barrier containers made of various laminated materials to minimize T4 conversion to T3, ensuring stability and accurate dosing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If T4 is formulated in conventional alcohol-glycerol solutions, then solubility is improved, but stability deteriorates due to premature conversion to T3 during storage
Solution Approach 1:
The patent changes the chemical composition parameters of the formulation by removing alcohol and adjusting the water-glycerol ratio. This parameter change resolves the contradiction by maintaining adequate solubility through optimized glycerol concentration while eliminating the alcohol-induced premature conversion to T3, thereby improving stability without sacrificing solubility.
2Stability of the object's composition
If multi-barrier packaging is used to prevent T4 conversion to T3, then stability is improved, but device complexity increases
Solution Approach 1:
The patent applies composite packaging materials with multiple barriers (e.g., aluminum foil combined with plastic layers) to prevent T4 conversion to T3. This resolves the contradiction by using material composition rather than mechanical complexity—the multi-layer structure provides enhanced protection through chemical and physical barrier properties without requiring complex mechanical mechanisms.
3Duration of action of stationary object
If T4 solutions are stored for extended periods, then duration of action is improved, but reliability deteriorates due to unpredictable T3 levels
Solution Approach 1:
The patent applies preliminary anti-action by formulating T4 in alcohol-free water-glycerol solutions and using multi-barrier packaging before storage begins. This preemptive approach prevents the conversion to T3 from occurring in the first place, thereby maintaining reliable dosing accuracy throughout the extended storage period without requiring later adjustments or monitoring.
4Ease of manufacture
If alcohol is included in the formulation to enhance solubility, then ease of manufacture is improved, but harmful factors increase due to premature T4 conversion to T3
Solution Approach 1:
The patent extracts and removes alcohol from the formulation, retaining only water and glycerol. This resolves the contradiction by eliminating the harmful effect of alcohol-induced T4 conversion to T3 while maintaining ease of manufacture through a simplified two-component system that is actually easier to produce and regulate than multi-component alcohol-based formulations.
Data Source
AI summary
The invention relates to highly stable alcohol-free, water-glycerol solutions of T4 thyroid hormone, with a reduced amount of T3 impurity, packaged via specific container arrangements. The containers are multi-barrier ones, in which a number of layers of specific materials separate the solution from contact with the external environment.