Nebulizer Counter Device Prevents Container Reuse
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Solution Overview
Problem
Existing nebulizers lack a mechanism to ensure that a predefined number of replaceable containers are used before the device can be opened, leading to potential soiling and undefined handling.
Innovation Solution
A nebulizer with a counter device that blocks opening until a predetermined number of operations is reached, ensuring that used containers cannot be reused and must be replaced with the associated housing part, preventing reuse and reconnection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the nebulizer is opened for inserting and replacing containers, then ease of operation is improved, but risk of soiling and undefined handling increases
Solution Approach 1:
The counter device is activated in advance when the nebulizer is opened, automatically counting the opening operations. This preliminary action ensures that the predefined number of containers is tracked from the first opening, preventing premature reconnection and minimizing soiling risk by maintaining controlled access throughout the device lifecycle.
Solution Approach 2:
The counter device provides feedback by blocking the opening mechanism until a predetermined number of operations is reached. This feedback loop ensures that the nebulizer can only be opened after the required number of containers have been used, thereby preventing undefined handling and minimizing soiling through controlled, monitored access.
2Adaptability or versatility
If containers can be replaced freely, then adaptability is improved, but device complexity increases due to lack of control mechanisms
Solution Approach 1:
The counter device operates autonomously, automatically counting container openings and enforcing the predefined limit without requiring external monitoring or complex control systems. This self-service mechanism maintains container replaceability and adaptability while minimizing device complexity by eliminating the need for sophisticated tracking or authorization systems.
3Reliability
If the nebulizer blocks opening until predetermined operations are reached, then reliability is improved, but ease of operation worsens
Solution Approach 1:
The counter device replaces complex mechanical blocking mechanisms with a simpler counting-based control system. Instead of using intricate mechanical interlocks that prevent opening, the device uses a counter that tracks operations and automatically enforces the predefined limit, thereby maintaining reliability through controlled usage while improving ease of operation by eliminating complex mechanical restrictions.
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
This solution minimizes soiling and ensures defined handling by preventing the reuse of used containers, ensuring that each container is fully utilized before the nebulizer can be opened or reconnected.
Implementation Method 1
a pressure generator with a drive spring for delivering and atomizing the fluid
Implementation Method 2
the container may be pierced through its base by a piercing element in the lower housing part to allow venting of the container
Implementation Method 3
the fluid in the pressure chamber is put under pressure by the drive spring and is delivered or atomized through a nozzle into a mouthpiece as an aerosol
Data Source
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AI summary
A nebulizer (1) is proposed which comprises an insertable container (3) and a counter device (44) for counting operations of the nebulizer (1). The nebulizer (1) can be opened for replacing the container (3). The counter devices (44) blocks opening of the nebulizer (1) until a predetermined number for operations has been reached.