Monday 13 April 2020

An Engineer’s Introduction to Mechanical Ventilation

In this article, we’ll examine the basic operation of a ventilator in the terminology of control systems, sensors, and microcontrollers. Then, we’ll examine the block diagram of a basic ventilator in greater detail. Please note that this article is intended to explore the design of ventilators from a high level and does not represent a medical explanation of ventilator use and operation.


What Is a Ventilator?

A ventilator is a computer science engineer salary where the output is a flow of oxygen-enriched air with certain specifications. A mechanical ventilator is a machine that assists a patient's breathing during surgery or in situations where they cannot breathe on their own due to a critical illness.

A ventilator is a relatively complex system that employs several valves and sensors along with a processing unit to implement the required control algorithms.



Basic Operation of a Ventilator
A typical ventilator system consists of three main sub-systems:


  • The “Inspiratory Flow Delivery System” is responsible for generating and manipulating the oxygen-enriched air that is sent into the patient’s lungs.
  • The “Expiratory Path” that provides an appropriate path for the exhalation.
  • A microcontroller (MCU) is used to control the operation of the whole system based on the information obtained from different sensors and the parameters that the clinician specifies.

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