A nasal cannula device for delivering therapeutic gas to a patient while reducing rubbing, scraping or other damage or discomfort is disclosed. In an aspect, a nasal cannula device is configured to removably attach to a patient via a single ear and comprises gas tubing and an anchor. The gas tubing comprises a gas source connector, a gas tubing body, and a nasal member. The anchor attaches to the gas tubing body and is removably positionable over a patient ear. In an aspect, the nasal member further comprises at least one nasal insert device configured to retain the nasal member in a patient nostril and reduce impacts and discomfort via a compressible member. The compressible member may form an airtight barrier, thereby protecting a patient nasal airway from environmental contaminants.
