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An oxygen concentrator is a medical device used to deliver oxygen to those who require it. People may require it if they have a condition that causes or results in low levels of oxygen in their blood.
It has a compressing element, but must not be confused with a compressed oxygen tank. Whereas a tank has a set amount of oxygen that it dispenses, a concentrator filters in air, compresses it, and delivers air continuously. The air supply will never run out. Instead of refilling compressed air, the concentrator simply needs access to power.
It works by:
- Taking in air from its environment
- Compressing the air, whilst the cooling mechanism prevents the concentrator from overheating
- Removing nitrogen from the air using a filter and sieve beds
- Adjusting delivery settings by using an electronic interface
- Delivering the purified oxygen via a nasal cannula or mask
