Introduction
A nebulizer is a drug delivery device used to administer medication in the form of a mist inhaled into the lungs. The application of spray devices treats respiratory diseases, including asthma and chronic obstructive pulmonary disease.
The principle of ultrasonic nebulizers is based on the vibrations of a piezoelectric crystal driven by an alternating electrical field.
Nebulizer Design Flow
The vibration device is divided into two modes: manual and automatic. In the manual mode, the PWM signals change according to the variation in potentiometer. In the automatic mode, a timer monitors the time for which the drug is delivered and stops after a specific time.
The nebulizer uses a piezoelectric crystal to convert the drug droplets into vapor form, which can be delivered to patients.
Manual:
Download: Design A Nebulizer and Its Implementation on FPGA Using HDL
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