An oxygen tube, most commonly known as a nasal cannula, delivers supplemental oxygen to individuals requiring respiratory support. This device helps provide the necessary oxygen when the body struggles to obtain enough from the air alone. Correct placement of the nasal cannula is important for both patient comfort and the effective delivery of oxygen. A properly fitted cannula ensures that the prescribed oxygen reaches the airways efficiently.
Understanding the Nasal Cannula
A nasal cannula is a thin, flexible tube designed for oxygen delivery. It consists of two small prongs, a main tubing section, and an adjustable slider. The prongs are shaped with a gentle curve to fit naturally inside the nostrils, directing oxygen flow into the nasal passages. The main tubing extends from the prongs and loops over the ears, while an adjustable slider below the chin allows for a customized fit. The curvature of the prongs dictates their correct orientation; they should point downwards, following the natural angle of the nasal passages.
Step-by-Step Placement Guide
Properly placing a nasal cannula begins by uncoiling the tubing and ensuring it is free from any twists or kinks that could obstruct oxygen flow. Next, identify the prongs at one end of the tubing. The curved part of the prongs should be oriented to point downwards and slightly backward, aligning with the natural shape of the nostrils. Gently insert the prongs into each nostril, making sure they fit snugly without causing any discomfort or pressure.
Once the prongs are in place, take the main tubing and carefully loop it over each ear, allowing it to rest comfortably behind the ears. After looping the tubing over the ears, gather the two tubes under the chin. Locate the adjustable slider and move it upwards towards the chin to secure the cannula. The fit should be snug enough to hold the cannula in place, but not so tight that it causes pressure or restricts movement. Finally, connect the opposite end of the nasal cannula tubing to the oxygen source, such as an oxygen concentrator or tank, ensuring a secure and airtight connection.
Ensuring Comfort and Effectiveness
After placing the nasal cannula, it is important to confirm both comfort and effective oxygen delivery. Check that the prongs are not causing irritation or excessive pressure inside the nostrils, and ensure the tubing resting over the ears feels comfortable without rubbing or chafing. The tubing should lie smoothly against the face, free from any twists or kinks.
To verify that oxygen is flowing, you can gently place your hand, upper lip, or eyelid in front of the prongs to feel a soft, continuous flow of air, or listen for a subtle hiss. If the flow is not detectable, check the oxygen source settings and all tubing connections for secure attachment. Minor issues like nasal dryness can occur; using a water-based lubricant around the nostrils or a saline nasal spray can help alleviate this discomfort. If irritation behind the ears develops, padding or softer tubing covers can be used to improve comfort.