Topical Analgesic Lotion with Micronized NSAID Particles
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Solution Overview
Problem
Current treatments for pain and inflammation, such as NSAIDs, often require oral administration and may not provide rapid or effective skin penetration, leading to incomplete pain relief and potential irritation.
Innovation Solution
A topical analgesic formulation comprising 5-10% NSAID, 5-10% muscle relaxant, 0.01-0.05% calcium channel blocker, 0.005-0.010% general anesthetic, and 2-10% local anesthetic, combined with a solvent and base cream, is deposited into a chamber, milled into a powder, mixed with a solvent, and then with a base cream to form a stable lotion for enhanced skin absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If NSAIDs are administered orally, then pain and inflammation can be treated, but skin penetration is insufficient and pain relief is not rapid
Solution Approach 1:
The patent changes the physical form of NSAID from traditional oral dosage forms to micronized particles (1-10 micrometers) and incorporates them into a topical lotion formulation with specific penetration enhancers, transforming the delivery parameters to achieve rapid skin penetration and fast pain relief
Solution Approach 2:
The invention creates a composite topical formulation combining micronized NSAID particles with penetration enhancers (such as ethanol, propylene glycol, and fatty acids) and base cream components, where the composite structure enables both rapid skin penetration and sustained pain relief effectiveness
2Reliability
If topical formulations are used for pain relief, then skin absorption is improved, but formulation stability and complete absorption are challenging
Solution Approach 1:
The patent optimizes the particle size parameter of NSAID to 1-10 micrometers through micronization, which enhances dissolution rate and skin penetration while maintaining formulation stability. The specific concentration ranges of penetration enhancers are also carefully controlled to balance absorption effectiveness and formulation stability
Solution Approach 2:
The invention introduces penetration enhancers as intermediary substances that facilitate NSAID absorption through the skin barrier. These intermediaries (such as ethanol, propylene glycol, and fatty acids) temporarily modify the skin barrier properties to allow complete NSAID absorption without compromising formulation stability
3Reliability
If multiple active ingredients are combined for enhanced pain relief, then effectiveness is improved, but formulation complexity increases
Solution Approach 1:
The patent merges multiple active ingredients (NSAID, local anesthetic, and penetration enhancers) into a single integrated topical lotion formulation. The micronized NSAID particles are combined with penetration enhancers and base cream components in a unified formulation system, achieving synergistic pain relief while maintaining manageable formulation complexity through standardized manufacturing processes
Data Source
AI summary
Technologies are described for a formulation and production of a formulation. The methods may comprise depositing a non-steroidal anti-inflammatory drug (NSAID) compound into a chamber. The methods may comprise depositing a muscle relaxant into the chamber. The methods may comprise depositing a calcium channel blocker into the chamber. The methods may comprise depositing a general anesthetic into the chamber. The methods may comprise depositing a local anesthetic into the chamber. The methods may comprise milling and mixing the NSAID compound, the muscle relaxant, the calcium channel blocker, the general anesthetic, and the local anesthetic into a powder. The methods may comprise adding a solvent with the powder. The methods may comprise mixing the solvent with the powder to form a solution. The methods may comprise adding a base cream to the solution. The methods may comprise mixing the base cream and the solution to form the formulation.