Auxiliary Droplet Dispenser Device with Sensor and Imaging
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Solution Overview
Problem
Droplet dispensers face challenges in accurately determining whether droplets are successfully delivered to a target area, such as an eye, due to reflex-induced blinks or closures, leading to decreased success rates and user misjudgment.
Innovation Solution
An auxiliary operating device equipped with a droplet sensor, imaging device, and processor that captures images of the target area and detects droplet output, determining if the area is shielded during a specific time frame to assess successful droplet delivery, incorporating a movement detector for additional accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a patient drips collyrium by himself, then the operation is simple and convenient, but the success rate decreases due to reflex-induced blinks and user misjudgment
Solution Approach 1:
The patent introduces an auxiliary operating device as an intermediary between the droplet dispenser and the patient's eye. This device includes a droplet sensor to detect droplet ejection, an imaging device to capture eye state, and a processor to analyze whether the droplet successfully entered the eye. The intermediary system objectively determines delivery success, eliminating patient misjudgment while maintaining self-administration convenience.
2Device complexity
If no imaging device is used, then the device complexity is low, but the ability to determine successful droplet delivery is insufficient
Solution Approach 1:
The patent replaces subjective mechanical judgment (patient visually determining if droplet entered eye) with objective sensor-based detection. The droplet sensor uses optical or electrical fields to detect droplet ejection, and the imaging device uses optical fields to capture eye state, replacing human visual and tactile judgment with precise physical field-based measurement systems.
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
Enhances the accuracy of determining successful droplet delivery by about 50% and reduces user misjudgment by 25%, allowing for more precise medication administration.
Implementation Method 1
the droplet sensor detects a droplet output from the droplet dispenser and outputs a corresponding droplet detection signal
Implementation Method 2
The imaging device captures an image of the target area
Data Source
AI summary
An auxiliary operation device for a droplet dispenser includes a droplet sensor, an imaging device and a processor. The droplet sensor has a detected area located between a droplet dispenser and a target area, wherein the droplet sensor detects a droplet output from the droplet dispenser, and outputs a corresponding droplet detection signal. The imaging device captures an image of the target area. The processor obtains a dripping time point at which the droplet passes through the detected area according to the droplet detection signal, and determines whether the target area is shielded within a first time range according to the image, so as to evaluate whether the droplet has successfully dropped into the target area. The above-mentioned auxiliary operating device of the droplet dispenser can objectively determine whether the droplets successfully drops into the target area, and improve the accuracy of judgment.