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Oxygen Concentrators - Introduction | Types | Stationary Vs. Portable | How They Work | FAQs

What Does an Oxygen Concentrator Do?

Oxygen concentrator is a device that provides oxygen therapy to patients at substantially higher concentrations than that of ambient air and keeps the level of oxygen in their blood stable. It is a medical equipment that compresses air from around the patient to deliver it to him/her in a purer form. The supply of oxygen is continuous, and unlike an oxygen tank, it can never run out as long as the battery is powered, or the compressor plugged into an electrical outlet. We have a wide range of top-grade stationary and portable O2 concentrators from experienced manufacturers. These devices, also referred to as oxygen generators or oxygen machines, provide a continuous stream of oxygen-enriched air and offer a cost-effective and most preferred at-home or on-the-go treatment.

What are Different Types of Oxygen Concentrators?

There are 2 Types of Oxygen Concentrators

  • Portable Oxygen Concentrators
  • Stationary Oxygen Concentrators

Portable Oxygen Concentrators – Why Choose Them?

1. Battery Packs for Portable Oxygen Solution

Portable O2 concentrator uses battery packs and allows the oxygen user to stay mobile. It is small in size and lightweight and can be carried around easily. Since the portable oxygen machine runs on a battery, a fully-charged battery will keep the oxygen machine operable outdoors, unlike a stationary unit.

2. Multiple Power Options for Convenient Oxygen Supply On The Go

Apart from portability, an extra benefit is that this type of portable breathing machine also runs on AC and DC power. Users can plug it into an electrical outlet if at home, or in the car it can be charged through a DC power cord, preserving the battery for outdoor use. Multiple power options of AC and DC power and rechargeable battery make it a convenient machine to have at home and outdoors.

3. Varied Usage Options for POC

Portable variety includes pulse dose oxygen concentrators which are smaller in size. Some mobile oxygen units provide a continuous flow of oxygen but these are larger and have built-on wheels. The portable variety has more options in terms of usage – portable type with high flow settings and personal oxygen concentrators less than 5 pounds.

The Inogen One G5 Portable Oxygen Concentratoris designed for 24 x 7 use and conforms to all applicable FAA requirements for POC use onboard an aircraft. The Devilbiss iGo2 Portable Oxygen Concentrator System is designed with revolutionary SmartDose Technology that adjusts oxygen delivery in real-time to fulfill patient demands. Precision Medical EasyPulse Portable Oxygen Concentrator comes with 5 pulse dose settings and EasyPulse POC3 Portable Oxygen Concentrator comes with 3 pulse dose settings.

Stationary Oxygen Concentrators – Why Choose Them?

Stationary oxygen concentrator system provides a continuous flow of oxygen. It can be used 24x7 because to start functioning, it just needs to be plugged into a wall socket. The outflow of oxygen is higher (liter-per-minute) than the portable variety type, and the users can wheel it around the house. Stratus 5 Oxygen Concentrator is one of the best examples of this.

Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators

Stationary Oxygen ConcentratorsPortable Oxygen Concentrators
Min. 43dBa and Max. 58dBa Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best? Min. 40dBa and Max. 45dBa
Heavier than POC Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best? Lightweight
Confined to in-home use Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best? Can be carried around on shoulder
Supports long usage hours in one go Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best? Will most likely be damaged if used for long hours
Oxygen delivery rate of upto 15 LPM Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best? Oxygen delivery rate of upto 6 LPM
Buy Stationary O2 Concentrators
Stationary Oxygen Concentrators Vs. Portable Oxygen Concentrators - Which is Best?
Buy Portable O2 Concentrators

*Please note that there are exceptions which might disobey the above mentioned specs.*

How Does Oxygen Concentrator Work?

An oxygen concentrator takes in the regular air in the room and compresses it using filters and sieve beds to filter out the other gases present, including nitrogen. Concentrated and medical grade oxygen is delivered to the user via a mask or nasal cannula. Oxygen machines can also be categorized based on their oxygen delivery type:

Types of Oxygen Delivery in O2 Concentrators

  • Continuous Flow Delivery
  • Pulse Dose Delivery

1. Continuous Flow Delivery

If delivery is required constantly and at all times, then a continuous flow oxygen concentrator is necessary. The Inogen At Home Portable Unit for Oxygen Therapy provides continuous flow up to 5 liters per minute.

2. Pulse Dose Delivery

Pulse dose oxygen concentrator delivers oxygen in doses or bursts, every time you inhale. It is based on the breathing rate and the amount of oxygen taken in. Pulse dose oxygen concentrators ensure delivery of an appropriate amount of oxygen based on different activity periods – sleep, rest, or daily tasks. For a more sophisticated and efficient solution, pulse dose works better. The Oxlife Independence Portable Oxygen Concentrator is versatile in nature and delivers oxygen in both continuous flow and pulse dose mode.

The selection of an oxygen concentrator will depend on your lifestyle as well – active or at home. Additional considerations include weight, size, power options, and battery life. If you are looking for a quieter oxygen machine, then the size will be bigger. Smaller the size, the noisier it is.

Oxygen Concentrator - FAQs

1. What to Use With Oxygen Machines?

  • Oxygen Cannula & Mask Oxygen cannulas and masks are used with oxygen machines to deliver oxygen to the user.
  • Humidifier BottleHumidifier bottles are used to provide humidity to solve sore, dry, or bloody nose problems.
  • Pulse Oximeters Pulse Oximeters are widely used along with Oxygen Machines to help caregivers monitor SpO2 levels in the patient’s blood. These are necessary to ensure they do not receive more than required as it can be harmful to the lungs.
  • Oxygen CompressorOxygen compressors are used to fill compressed oxygen from concentrator to Home Fill cylinders.
  • Home Fill Cylinders Oxygen cylinders help the user carry supplemental while on-the-go. They can be refilled by an oxygen concentrator.
  • Carry Bags Carry bags or backpacks are used to carry oxygen machines from one place to another.

2. Where Can I Buy Oxygen Machines Online?

At Health Products For You, we sell a wide range of oxygen concentrators in both portable and stationary variety from Respironics, Invacare, DeVilbiss, Precision Medical, Inogen, Nidek Medical, etc. The Ultra Quiet Five Liter oxygen concentrator from DeVilbiss has a noticeably quiet operation providing 15% typical sound quality improvement. The EasyPulse oxygen concentrator from Precision is a perfect balance between stationary and mobile oxygen generators; it delivers continuous flow and pulse flow in the same unit weighing less than 11.5 pounds. The EverFlo Q Ultra-Quiet oxygen concentrator from Respironics is cost-effective. It produces less heat and needs less electricity to operate.

3. Can Anyone Buy an Oxygen Concentrator?

As per the guidelines received from the U.S. Food & Drug Administration (FDA) Oxygen concentrators need a prescription for buying. Prescriptions can be faxed to 1.203.616.2851 or emailed to

4. How to oxygen levels monitored at home?

Oxygen levels are observed with a small device called a pulse oximeter, or pulse ox. Pulse oximeters are normally placed on a fingertip. These machines use beams of light to indirectly measure the o2 level in the blood without drawing a blood sample.

5. What are the safety concerns when using oxygen?

  • Do not use the oxygen concentrator or an oxygen product near an open flame or while smoking.
  • Place the o2 generator in an open space to decrease the chances of device failure from overheating.
  • Do not block any chimneys on the concentrator since it may affect device performance.
  • Regularly check your machine for any alarms to make sure you are getting enough oxygen.

6. Which is The Best Oxygen Concentrator?

More Information on Oxygen Machines

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