Inogen Inc has released the Inogen Rove 4 Portable Oxygen Concentrator in the United States, according to a company news release.

RT’s Three Key Takeaways

  1. Inogen Inc has launched the Inogen Rove 4 Portable Oxygen Concentrator in the U.S., offering up to 840 ml/min of medical-grade oxygen through four flow settings in a compact design under 3 lbs.
  2. With three battery options that allow for up to 5 hours and 45 minutes of operation, the Rove 4 provides patients greater mobility, supporting daily activities while benefiting from advanced pulse-dose Intelligent Delivery Technology.
  3. Built for durability, the Rove 4 has a projected service life of up to 8 years, emphasizing its reliability for long-term oxygen therapy patients.


With an additional, fourth flow setting delivering up to 840 ml/min of medical grade oxygen, in a lightweight user-friendly design of less than 3 lbs1 and three battery configurations providing up to 5 hours and 45 minutes of operation2, the versatility of Rove 4 empowers patients with choices that may help them with normal activities of daily living, according to the company.

“We are pleased to announce the launch of Rove 4, a meaningful step forward in our intent to serve patients in need of oxygen therapy while allowing them to remain ambulatory,” said Kevin Smith, President and Chief Executive Officer. “This is an important milestone, and we are excited to work with patients and prescribers to deliver the positive impact of Rove 4 technology.”

According to Neil MacIntyre, MD, of Duke University Medical Center, “It is exciting to see the continuing innovation of portable oxygen concentrators to help advance the ambulation of long-term oxygen therapy patients. The Inogen Rove 4 should play a meaningful role on this journey.”

The Rove 4 utilizes Inogen’s patented pulse-dose Intelligent Delivery Technology.3 This technology provides unparalleled triggering sensitivity to quickly detect a breath and deliver oxygen within the first 250 milliseconds of the inspiration, where oxygen has the most effect on lung gas exchange.

Designed for reliability, the Rove 4 offers a best-in-class expected service life of up to 8 years.4

1 2.9 lbs when used with standard battery.
2 At setting 1.
3 Pulse-dose based Intelligent Delivery Technology® ensures that oxygen therapy is delivered efficiently and effectively in all modes of use.
4 When used for less than 8 hours per day.