Double Lumen Endobronchial Tube Brief Introduction: Double Lumen Endobronchial Tube is used in thoracic surgery or for anesthesia during pulmonary surgery, it is also used when selective collapse or ventilation of the pulmonary field can enhance surgical exposure and used for critically ill patients who have uni-lateral lung disease from pulmonary contusion. Specifications: 1. Be used in thoracic surgery or for anesthesia during pulmonary surgery; 2. Be used for lung separation surgery; 3. Soft round bever tip to minimize trauma to patients; 4. Be with intubating stylet and super-slip suction catheter. Sizes: Type Size(Fr) Left 28, 32, 35, 37, 39, 41 Right 28, 32, 35, 37, 39, 41