Dual Applicator with Crushable Ampoule for Reactive Solutions
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Solution Overview
Problem
Topical solutions, especially those used in medical and dental applications, often face issues with packaging that leads to loss of efficacy due to reactivity with plastics and improper application, as they may be available in volumes larger than needed and require specific application conditions, including light sensitivity and reactivity with plastic materials.
Innovation Solution
A dual applicator system with a crushable ampoule and syringe tip adaptor that allows for direct topical application of two different solutions with distinct packaging requirements, preventing contact with reactive materials and providing a convenient, portable unit dose system for easy application, featuring a flexible hollow tube and glass ampoule to maintain solution stability and safety during transport and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If solutions are packaged in plastic containers for convenience and portability, then ease of operation and device complexity are improved, but reliability deteriorates due to reactivity between the solution and plastic packaging materials
Solution Approach 1:
The packaging system is divided into separate components: a glass ampoule containing the solution and a plastic applicator tip. The glass ampoule is sealed until use, preventing contact between the solution and plastic materials, while the plastic applicator provides convenient application. This segmentation resolves the contradiction by isolating the reactive solution from plastic packaging while maintaining ease of use.
2Device complexity
If larger volumes of solution are packaged to reduce packaging complexity, then device complexity is reduced, but loss of substance increases due to reactivity with packaging materials and improper application
Solution Approach 1:
The system separates the solution containment (glass ampoule) from the application mechanism (plastic applicator), allowing precise control over solution dispensing. This enables single-use or controlled multi-use packaging that minimizes waste while maintaining simple overall device structure.
Solution Approach 2:
The design accommodates single-use or limited-use packaging where the glass ampoule is sealed and disposed of after use, eliminating the need for complex reusable sealing mechanisms and preventing solution degradation from prolonged contact with packaging materials.
3Device complexity
If solutions are packaged without specialized protective measures, then device complexity is reduced, but object-affected harmful factors increase due to light sensitivity and reactivity
Solution Approach 1:
The solution is isolated in a glass ampoule that can be separately protected from light and environmental factors, while the plastic applicator remains separate until application. This allows targeted protective measures only where needed without complicating the entire packaging system.
Solution Approach 2:
The glass ampoule can be filled and sealed in a controlled environment, creating an isolated space that protects the solution from light and reactive interactions until the moment of application, when the seal is broken and solution is transferred to the applicator.
Data Source
AI summary
Embodiments herein may relate to a unit dose system that may include a first applicator and a second applicator. The first applicator may include a crushable ampoule that includes approximately 1 milliliter (mL) of a silver salt solution disposed therein. The first applicator may further include a first syringe tip coupled with the crushable ampoule. The second applicator may include a flexible filled tube that includes approximately 4 mL of a varnish disposed therein and a second syringe tip coupled with the flexible filled tube. Other embodiments may be described and/or claimed.