Medical Ventilators are the devices used to assist the breathing of the patients in hospital Intensive Care Units (ICU) and Operating Rooms (OR).
The Different types of ventilators:
Based on the devices used in the application of airflow pressure, Ventilators are classified into two types: (1) Compressor based Ventilators and (2) Turbine based Ventilators
Compressor based ventilator:
These are the ones that use a compressor for high-pressure air supply during the ventilation process are called compressor-based ventilators.
Compressor-based ventilators supply the high-pressure air with the help of two units; a fan/turbine and an air compression chamber. The fan/turbine drags air from the room and pushes it into the compression chamber.
The compression chamber is a solid tank made of a strong material to hold the compressed air for a longer period. The air outlet from the air compression chamber to the inlet of the patient air circuit goes through valves controlled by electric actuators. These electric actuators are controlled by the parameter settings provided to the ventilator operator on the control panel.
The Parameters to control electric actuators:
- Pressure
- Volume
- Time
Sometimes the compressed air cylinders will be connected to the ventilator in order to achieve the higher air pressure needs.
A ventilator is a machine that breathes for you or helps you breathe. It is also called a breathing machine or respirator. The ventilator: Is attached to a computer with knobs and buttons that are controlled by a respiratory therapist, nurse, or health care provider.
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