Oxygen concentrators are medical devices that assist people who have a low level of oxygen in their blood. They are powered by plugging the device into an electrical outlet or by using a battery. If a battery is used, then it will need to be charged by plugging it into an electrical outlet. Most concentrators also come with an adapter so you can use the device while you drive.
An oxygen concentrator receives air, purifies it, and then distributes the newly formed air. Before it goes into the concentrator, air is made up of 80 percent nitrogen and 20 percent oxygen. An oxygen concentrator uses that air then it comes out as 90 to 95 percent pure oxygen and 5 to 10 percent nitrogen. The nitrogen is separated to give the patient the highest dose of oxygen possible, as it is difficult to get that percentage of oxygen without the help of a medical device.
1. Takes air from the room.
2. Compresses the oxygen.
3. Takes out nitrogen from the air.
4. Adjusts the way the air is delivered.
5. Delivers the purified air.
There are many parts that make up a portable oxygen concentrator. A compressor and sieve bed filter are a couple of the main parts. The compressor compresses air that is filtered into the concentrator, then delivers the air in a continuous stream.
The compressed air moves to the sieve bed filters. The sieve bed filter plays an important role, as it is the device that removes the nitrogen from the air. A material called Zeolite, which is a six-sided microscopic cube with holes on each side, is in the sieve bed and this is what removes the nitrogen from the air.
Two sieve beds are located in the concentrator. After air is first compressed in the concentrator, it is forced into the first sieve bed. Oxygen is sent into the product tank. The first sieve bed then gets filled up with nitrogen. Next, the gas flow is switched, and the compressed air is moved to the second sieve bed. The first sieve bed’s compressor is sent to the outside room, and the air from the product tank goes back into the first sieve bed.
The drop in pressure from the first sieve bed and the weakening of oxygen makes the Zeolite release nitrogen. The Oxygen and Nitrogen come back together and are released in the room as regular air. The air is then compressed and sent to the second sieve where Oxygen is moved through it to the Product Tank. The whole cycle starts over again with the first sieve after a few seconds.
Other important parts are the cooling system that keeps the portable oxygen concentrator from overheating, and the nasal cannula that delivers the purified oxygen after the oxygen has been passed through all the sieve bed filters. The cannula helps improve oxygen absorption.
Portable oxygen concentrators have two settings for receiving oxygen: pulse dose and continuous flow. The pulse dose mode is usually used for daytime use, as it delivers air via the cannula when you inhale. Concentrators with pulse dose technology also are more compact in design and offer a longer battery life.
The continuous flow mode delivers a constant air flow via the tubes. For people who need oxygen while they sleep, this mode is the best option.
Both portable and home oxygen concentrators have numerous advantages for those patients needing oxygen therapy. They are much less dangerous than traditional oxygen cylinders, which can, if ruptured or leaking, cause or increase the combustion rate of a fire. Oxygen concentrators, on the other hand, pose no such danger. Home and portable oxygen concentrators that can "make" their own oxygen have become more popular and widely used than old-fashioned oxygen tanks. The other main benefit is the ease and increased ability to be mobile with oxygen. Portable oxygen concentrators provide the necessary oxygen anywhere the user goes, even on airplanes. The FAA (Federal Aviation Administration) has ruled that all passengers who require oxygen must be allowed to bring FAA-approved portable oxygen concentrators on all U.S. aircraft with more than 19 seats. Foreign airlines must also allow portable oxygen concentrators on all flights to and from U.S soil.
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