Sustainable Preservation of Essential Oxygen Resources: A Phase 4 Crossover Study of the BUFEO System: SAVE O2

In the BUFEO Condition, the subject will receive oxygen through the BUFEO system.

Standard Condition is the baseline apparatus utilized by the subject at the time of enrollment in the study. In the hospital setting, the supplemental oxygen delivery may come from compressed oxygen cylinders or liquid oxygen and is often delivered through a port in the facility wall at the bedside.