Blood-Gas Infuser

In 2371, the Doctor used a blood-gas infuser when Neelix's lungs were removed by a Vidiian. (VOY: "Phage")

A blood-gas infuser is a medical device used to supply a body with oxygen. It cannot, however, replace the function of the lungs on a long-term basis.

Medical instrument used to stabilize oxygen levels of a patient in respiratory distress.