Spirometer cardboard paper mouth piece are suitable for use with the spirometer.
Significantly reduces the risk of cross-infection between patients.
Essential Spirometry Consumables.
The mouthpiece used in spirometric testing may vary from instrument to instrument.
It is essential that the patient puts it between the teeth with the lips around it, so that the air can pass freely and the mouthpiece is sealed firmly by the lips.
Dentures are best left in place because they provide essential support to cheeks and lips; however, if they fit poorly and obstruct airflow during the maneuvers it is better to remove them from the mouth.