Adjustable Measurement Chamber for Accurate Fluid Dosing
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Solution Overview
Problem
Conventional fluid measuring methods, such as using measuring cups with small delineations, often lead to difficulties in accurately determining fluid dosage, particularly for users with visual impairments, resulting in improper medication administration.
Innovation Solution
A fluid dispenser with a measurement chamber and a divider that separates it from a storage chamber, featuring adjustable check valves to control fluid flow and an adjustable measurement chamber volume, allowing precise fluid measurement and dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional measuring cups with small delineations are used, then the device complexity is reduced, but the measurement precision deteriorates
Solution Approach 1:
The measurement chamber is nested within the dispenser body, with the divider creating an internal measurement compartment. This nested structure allows the dispenser to function as both storage and measurement device, eliminating the need for separate measuring cups while providing precise measurement markings on the measurement chamber.
Solution Approach 2:
The invention adds visual dimensionality to measurement by incorporating colored bands or highlighted markings on the measurement chamber that correspond to specific dosage volumes. This dimensional enhancement makes volume measurements more visible and easier to read, directly improving measurement precision without adding complex mechanical components.
2Adaptability or versatility
If adjustable measurement chamber volume is implemented, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The measurement chamber volume is made dynamically adjustable through a movable divider or adjustable measurement marker system. This allows the user to change the measurement volume according to different dosage requirements, providing adaptability while maintaining a relatively simple structure through straightforward mechanical adjustment mechanisms.
3Reliability
If check valves are used to control fluid flow, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The check valve is designed as a passive, self-activating component that automatically opens or closes based on fluid pressure direction. This self-service mechanism ensures reliable unidirectional fluid flow control without requiring external actuation, complex control systems, or user intervention, thereby improving reliability while minimizing added complexity.
4Ease of operation
If visual indicators are enhanced for impaired users, then the ease of operation is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The invention uses colored bands, highlighted markings, or color-coded indicators on the measurement chamber to enhance visual readability. These color indicators correspond to specific dosage volumes and are designed to be easily distinguishable by users with visual impairments. The coloring process can be applied through standard manufacturing techniques, balancing visual enhancement with manufacturing feasibility.
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
Enables accurate and easy dispensing of a prescribed fluid quantity by adjusting the measurement chamber volume and using check valves to manage fluid flow, improving user experience and dosage accuracy.
Implementation Method 1
the at least one check valve being configured to open at a predefined cracking pressure
Implementation Method 2
configured to close the at least one fluid flow passage to prevent fluid flow between the measurement chamber and the storage chamber
Data Source
AI summary
A measured fluid dispenser for dispensing fluid from a storage container includes a measurement chamber, a fluid flow passage fluidly connecting the measurement chamber with the storage container, and a valve that is movable between an open position in which the fluid flow passage is opened to permit fluid flow from the storage chamber to the measurement chamber, and a closed position in which the fluid flow passage is closed to prevent fluid flow between the measurement chamber and the storage chamber. The measurement chamber may be adjustable to vary a fillable volume of the measurement chamber to thereby preselect an amount of fluid to be dispensed.