Antiseptic Applicator Pull-Activated Valve Mechanism
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Solution Overview
Problem
Conventional antiseptic applicators require special handling and packaging to prevent premature discharge of antimicrobial solutions, leading to complications and loss of valuable inventory due to inadvertent actuation or breakage during shipping and use.
Innovation Solution
A pull-activated antiseptic applicator design featuring a body and container that are axially translated in opposite directions to release the solution, utilizing a valve cap and closure mechanism that ensures fluid communication only upon intentional activation, reducing the risk of premature discharge and enhancing handling safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional puncture-type applicators are used, then the solution can be released through a spike piercing the sealed container, but the device requires special handling and packaging to prevent inadvertent puncturing and premature discharge
Solution Approach 1:
Instead of pushing the spike forward to pierce the container (conventional approach), the invention inverts the action by pulling the container away from the spike. The spike remains stationary while the container is extracted, which eliminates the risk of inadvertent puncturing during handling and shipping while maintaining the same solution release function.
Solution Approach 2:
The device is segmented into distinct functional components: a stationary body with spike, a movable container, and a flange for control. This segmentation allows the container to be independently manipulated and pulled away from the spike, providing mechanical control over the puncturing action and preventing premature discharge during transport.
2Ease of operation
If frangible ampoules are used with one-way directional force, then the solution can be released by breaking the ampoule, but special care is required to avoid breaking during shipping or prior to use
Solution Approach 1:
Instead of applying compressive force to break the ampoule forward (conventional approach), the invention inverts the action by pulling the container backward away from the spike. This reverse extraction motion provides better control and reduces the risk of accidental breakage during handling while achieving the same solution release.
Solution Approach 2:
The flange acts as an intermediary control element between the user and the container. By providing a dedicated grasping surface, it allows precise control over the pulling motion, enabling the user to initiate container movement only when intentionally activated, thereby preventing accidental breakage during shipping.
3Reliability
If special packaging and handling measures are implemented, then premature discharge can be prevented, but device complexity and handling difficulty increase
Solution Approach 1:
The inverted pull-away mechanism inherently provides passive safety during transport. The container and body are designed to move relative to each other in a controlled manner, eliminating the need for complex external packaging or special handling procedures while maintaining reliable prevention of premature discharge.
Solution Approach 2:
The device's own structure provides the protection against premature discharge. The flange and relative movement design enable the container to remain secured during transport without requiring external packaging, as the mechanical design itself prevents inadvertent activation.
Data Source
AI summary
An applicator assembly includes a body having a proximal and a distal end, a container slidably coupled to the body, a valve cap coupled to the container, and an application member attached to the distal end, wherein an interior of the container is placed in fluid communication with the application member by way of a fluid conduit that is only accessible when one of the body and the container are axially translated in an opposite direction away from each other.