Transdermal Applicator Bent Conduit Leakage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional drug delivery devices for animals often face issues with leakage and residual therapeutic agents, posing safety risks to users and leading to wastage, as they require a physical connection that can be inadequate, causing leakage and leaving residues in the device.
Innovation Solution
A drug delivery applicator with a housing comprising two sections that form a channel with a bent conduit, minimizing leakage by ensuring the therapeutic agent is dispensed efficiently without direct contact and residual buildup, using a seamless joint and ultrasonic welding to reduce flash and enhance flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a physical connection is achieved between the applicator tip and the drug delivery device, then the dispensing activity can be performed, but leakage occurs and user safety is compromised
Solution Approach 1:
The patent introduces an intermediary sealing mechanism at the connection interface between the applicator tip and drug delivery device. This intermediary element creates a reliable seal that prevents therapeutic agent leakage while maintaining secure connection, thereby resolving the contradiction between connection reliability and prevention of harmful leakage effects.
Solution Approach 2:
The patent replaces traditional mechanical connection methods with an improved sealing mechanism that utilizes surface tension and precise geometric fitting. This substitution reduces leakage by eliminating gaps and imperfections in the connection interface, enhancing both reliability and safety.
2Productivity
If conventional drug delivery devices are used, then dispensing can be performed, but residual therapeutic agent remains in the device causing waste and safety risks
Solution Approach 1:
The patent incorporates a designed flow path and geometric configuration that extracts or removes residual therapeutic agent from the device interior. The streamlined channel design and optimized outlet geometry ensure complete dispensing of the therapeutic agent, eliminating waste and reducing safety risks associated with residual controlled substances.
Solution Approach 2:
The patent utilizes three-dimensional flow path design and vertical flow direction to maximize the extraction of residual therapeutic agent. By optimizing the internal geometry and flow dynamics, the device achieves complete dispensing efficiency while minimizing any remaining residue that could cause waste or safety concerns.
3Ease of operation
If physical connection is required for dispensing, then the device can function, but the connection may be inadequate leading to leakage
Solution Approach 1:
The patent divides the connection interface into separate functional elements: a coupling mechanism for easy attachment and a sealing mechanism for reliable connection. This segmentation allows the device to be easily connected while ensuring adequate sealing, resolving the contradiction between ease of operation and connection reliability.
Solution Approach 2:
The patent incorporates a preliminary sealing action during the connection process. The sealing elements are pre-positioned and activated automatically when the applicator tip is connected to the drug delivery device, ensuring that a reliable seal is established before dispensing begins. This preliminary action prevents leakage without complicating the connection process.
Data Source
Figure 1
Figure 2~2A
Figure 3
AI summary
An applicator (106) for dispensing a therapeutic agent to an animal comprising a housing including first (114) and second sections (214) coupled together, the first and second sections defining a channel (127) therebetween that includes at least one outlet (123,125); a hub (110) integral with the first section and extending therefrom, the hub (110) defining a conduit (134); and a bent path (128) connecting the conduit to the channel. In accordance with this embodiment, the conduit, the bent path and the channel are fluidly connected.