Powder Composition for Auditory Canal Otitis Treatment
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Solution Overview
Problem
Current treatments for otitis externa and related disorders in dogs and cats, such as pyotraumatic folliculitus, often rely on antibiotics, which face resistance issues, and existing ear cleaners are inconvenient and inefficient due to liquid compositions being easily lost when administered, causing discomfort for both animals and owners.
Innovation Solution
A powder composition comprising lactic acid, lactose, and kaolin, which reduces pH and moisture levels in the auditory canal, inhibiting microbial growth by creating an acidic environment and binding fat, thereby reducing colonization of pathogens like Malassezia and Staphylococcus, is developed to provide a prophylactic solution for ear infections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If liquid composition/preparation is used for treating auditory canal, then treatment effect is achieved, but the liquid is easily lost when dog shakes head and extensive massage is required causing discomfort
Solution Approach 1:
The patent changes the physical state parameter from liquid to powder form. This transformation allows the composition to remain in the auditory canal without being lost when the dog shakes its head, eliminating the need for extensive massage while maintaining treatment effectiveness.
Solution Approach 2:
The powder composition is designed to be applied once and remains effective without requiring repeated massage or retention, similar to a disposable solution that achieves its purpose in a single application.
2Reliability
If antibiotics are used to treat otitis externa, then bacterial infection is controlled, but bacteria develop resistance limiting and cancelling antibacterial effect
Solution Approach 1:
The patent changes the approach from using antibacterial agents (chemical parameter) to using antifungal agents targeting a different pathogen type. By addressing Malassezia yeast instead of bacteria, the treatment avoids the resistance issue that plagues antibiotic use while still effectively controlling the underlying cause of otitis externa.
Solution Approach 2:
The patent introduces an intermediary approach by treating the fungal component (Malassezia) that exacerbates bacterial infections, rather than directly targeting bacteria. This indirect treatment method avoids bacterial resistance while still achieving effective infection control.
3Ease of operation
If powder composition is used to reduce liquid loss, then convenience is improved, but the composition must effectively inhibit microbial growth in the humid auditory canal environment
Solution Approach 1:
The patent changes the chemical parameter by using antifungal agents that are effective in the humid auditory canal environment. The powder form maintains convenience while the chemical composition is specifically selected to inhibit microbial growth despite the humid conditions.
Solution Approach 2:
The patent converts the potentially harmful humid environment into a beneficial condition by using antifungal agents that specifically target Malassezia yeast, which thrives in humid conditions. The humidity that would normally promote bacterial growth instead supports the effectiveness of antifungal treatment.
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 powder composition effectively reduces clinical signs of otitis externa by creating an environment unfavorable for microbial growth, is well-tolerated, and provides a convenient alternative to traditional treatments, maintaining ear cleanliness and preventing infections without adverse side effects.
Implementation Method 1
lactic acid, in an amount such that the pH of the powder composition is within the range of about 3 to 4
Implementation Method 2
kaolin, and having a particle size of about 0.1-30 μm, preferably 0.8-20 μm, and particularly 1.2-10 μm
Data Source
AI summary
The invention relates to a new powder composition which comprises in admixture: lactic acid, lactose and kaolin, wherein the amount of lactic acid is such that the pH of the powder composition should be within the range of about 3 to 4. Said powder composition may be use as a veterinary drug and in treating and/or preventing a disorder in the auditory canal of dogs and cats.