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Does Inogen Make a Continuous Flow Portable Oxygen Concentrator?

For those requiring oxygen therapy, the question often arises, "What is Inogen? Does Inogen make a continuous flow portable oxygen concentrator?" The answer lies in Inogen's innovative approach to oxygen delivery, particularly through its proprietary Intelligent Delivery Technology®. This technology is not just a feature but a commitment to enhancing the quality of life for those dependent on oxygen therapy, providing a medical-grade flow of oxygen during all activities and sleep.

The Science Behind Inogen's Intelligent Delivery Technology®

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Inogen's portable oxygen concentrators, especially the best Inogen portable oxygen concentrator, are designed with Intelligent Delivery Technology® to ensure efficient oxygen delivery at all times. This technology guarantees that oxygen is delivered within the first 400 milliseconds of inspiration, the critical period for optimal lung gas exchange. Even during sleep, when a user's respiratory rate decreases, Inogen's systems actively respond by increasing the oxygen dose, ensuring stable nocturnal oxygenation [1].

Research indicates that the Inogen One, thanks to its triggering sensitivity and pulse volume, effectively oxygenates patients during various states - sleep, rest, and physical activity [1]. As a user's breathing rate slows, particularly during sleep, Intelligent Delivery Technology® adjusts by increasing each bolus dose, ensuring a consistent oxygen level is maintained.


inogen one g4 continuous flow


Continuous Flow Oxygen with Inogen's Intelligent Technology

So, how long can an Inogen run continuously? While traditional continuous flow provides a constant stream of oxygen, Inogen's Intelligent Delivery Technology® ensures that oxygen is delivered more efficiently and responsively, adapting to the user's breathing rate and maintaining effective oxygenation during sleep — a challenge for many traditional continuous flow systems. This means that for most users, Inogen's oxygen systems serve as a sufficient primary source of oxygen, capable of adjusting to the user's needs in real-time.

Moreover, is Inogen covered by Medicaid? Inogen's portable oxygen systems, such as the Inogen One G5, are designed for round-the-clock use, whether you're at home, in a vehicle, or navigating daily activities. While it's always prudent to have a backup oxygen system, Inogen's concentrators work diligently to cater to your oxygen needs.

In conclusion, while Inogen's portable oxygen concentrators might not deliver a continuous flow in the traditional sense, their Intelligent Delivery Technology® offers a sophisticated, responsive alternative that ensures users receive the oxygen they need during all phases of daily activity and sleep. This innovative approach positions Inogen as a wise choice for those seeking a reliable, adaptable oxygen therapy solution. Additionally, does the VA pay for Inogen? This question is particularly relevant for veterans seeking support for their oxygen therapy needs.


  • Chatburn RL, Lewarski JS, McCoy RW. Nocturnal oxygenation using a pulsed-dose oxygen-conserving device compared to continuous flow. Respir Care. 2006 Mar;51(3):252-6. PMID: 16533414. and CHEST 1999 Vol.116(1):22-29.

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