Features
1. Resist dirt including sputum because pipes are made of fluorocarbon resin.
2. The soft silicone frame is flexible
3. The angle of the frame can be adjusted, depending on patient condition.
4. The inner cylinder can be easily removed only by turning the metal knob.
5. Since the outer tube has a fenestration design, removing the inner cylinder allows expired air to easily escape to the glottis, which is necessary for the patient to be able to produce phonation.
6. 0.5 mm thin pipe wall reduces airflow resistance, contributing to easy respiration.