A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of ambient air. A portable oxygen concentrator (POC) is comparable to a home oxygen concentrator (OC) but is more compact and portable.They are small enough to carry and many are now FAA-approved for use on airplanes.

There are to kind of operational types:

Pulse dose

  • Pulse dose (also called intermittent-flow or on-demand) POCs are the smallest units. Their small size enables the patient to not waste energy gained from the treatment on carrying them. the unit delivers a volume (bolus) of oxygen in mL per breath intermittently. Conserving oxygen is crucial for maintaining the compact size of the units while ensuring a sufficient oxygen supply duration.
    Most of the current POC systems provide oxygen on a pulse (on-demand) delivery and are used with a nasal cannula to deliver the oxygen to the patient.

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Continuous flow

  • With continuous flow units, oxygen delivery is measured in LPM (liters per minute – like domestic oxygen concentrator). Continuous flow necessitates a larger molecular sieve, pump/motor assembly, and additional electronics. This increases the device’s size and weight.
  • With pulse flow (also known as on-demand flow), oxygen delivery is quantified by the amount of oxygen per breath in milliliters (mL) per bolus.
  • Some Portable Oxygen Concentrator units offer both continuous flow as well as pulse flow oxygen.


Portable oxygen concentrator Benefits for Patient

  • Increases Survival

Supplemental oxygen, worn at least 15 hours a day , increases survival in some patients. And today’s portable oxygen technology allows you to utilize portable oxygen therapy anytime, day or night (whenever it is operating on battery power or wall power).


  • Improves Exercise Tolerance

Studies indicate that using supplemental oxygen during exercise enhances performance by enabling longer, higher intensity workouts, leading to greater benefits from exercise.
Improves Mental Alertness

Do you feel like you’re always in a mental fog? Lack of oxygen affects all of your organs, including the brain, and the initial symptom of inadequate oxygen is confusion in individuals with lung disease. Using supplemental oxygen helps maintain the health of the brain and other vital organs.

  • Independent Lifestyle

Portable oxygen concentrator make independence obtainable. Individuals can often lead energetic and active lives. Machines are made for mobility and carrying cases, wheeled carts and many other accessories are available to make it easier to get around. You can do anything and go anywhere easily because of the battery life. Not to mention, you can have oxygen in any place that has a plug.


  • Mobility

The newest oxygen concentrators are lightweight and compact as well as very discreet. You can take them with you just about anywhere:

  • Picnics
  • Car Rides
  • Walks in the Park
  • Vacations with family

Increases Stamina

If you don’t have enough energy during your day, it might be because you have low oxygen levels. Oxygen therapy provides you with the stamina you require to perform every day, normal functions like:

  • Cleaning the House
  • Getting Dressed
  • Walking the Dog
  • Preparing Meals