BreatheBite Disposable Rubber Mouthpiece for PFT, DLCO

The BreatheBite mouthpiece securely places the tongue below the lip for spirometry maneuvers.

The BreatheBite combines the flange-type mouthseal with a built-in tongue depressor and a bilateral bite block to achieve superior air flow during expiration and inspiration. The built-in bite block on both sides sit near the lateral incisor and the canine to prevent the teeth obstruction the air flow.

An obstruction of the mouthpiece by the tongue may lead to misshapen curves and reduced FEV₁ and FEV₁/FVC that could be misinterpreted as "obstructive impairment¹." Such an obstruction can also underestimate or overestimate FEV₁ and FEV₁/FVC and render them "neither acceptable or usable²."

1. 2012 NIOSH Spirometry Quality Assurance: Common Errors and Their Impact on Test Results
2. Standardization of Spirometry 2019 Update, Am J Respir Crit Care Med Vol 200, Iss 8, pp e70–e88, Oct 15, 2019

• Secures the tongue to the floor of the mouth
• Prevents the tongue from obstructing the airway or the mouthpiece
• Facilitates tight seal around the mouth with a flange-style mouth seal design
• Bilateral bite blocks prevent the teeth from obstructing the mouthpiece
• 50 mouthpieces per package
• Latex Free
• CE Marked