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Endobronchial Tubes - Amaris Medical Solutions

Endobronchial Tubes

Endobronchial Tubes

Endobronchial tubes are specialized medical devices designed for use in respiratory and anesthesia procedures. These tubes are inserted through a patient’s mouth or nose and positioned within the trachea, extending into one of the mainstem bronchi. The primary purpose of endobronchial tubes is to selectively ventilate or isolate one lung from the other, depending on the clinical requirements of the procedure




Endobronchial tubes are specialized medical devices designed for use in the field of anesthesia and critical care medicine. They are inserted through the patient’s mouth or nose and into the trachea, where they are positioned within one of the mainstem bronchi. These tubes have several important uses:

  1. Lung Isolation: Endobronchial tubes are commonly used to selectively isolate one lung from the other during certain surgical procedures, such as thoracic surgeries, lung resections, or surgeries requiring differential lung ventilation. By inflating the cuff of the endobronchial tube within one of the mainstem bronchi, it effectively blocks airflow to that lung, allowing ventilation and surgical access to the other lung. This minimizes the risk of contamination or injury to the uninvolved lung.
  2. One-Lung Ventilation: In cases where one lung needs to be ventilated while the other is intentionally collapsed (e.g., to improve surgical exposure or prevent contamination), endobronchial tubes facilitate this process by directing the airflow to the desired lung while blocking the other.
  3. Management of Bronchopleural Fistula: Endobronchial tubes can be used to seal off a bronchopleural fistula, which is an abnormal connection between the bronchial tree and the pleural space. By placing the tube distal to the fistula and inflating the cuff, it can help prevent air or fluid from entering the pleural space.
  4. Bronchial Suctioning: These tubes can be used to suction secretions, mucus, or blood from specific bronchial segments, aiding in the clearance of airway obstructions or improving oxygenation.
  5. Lung Recruitment: Endobronchial tubes may be employed in lung recruitment maneuvers to help improve oxygenation in patients with conditions like acute respiratory distress syndrome (ARDS). By selectively blocking one bronchus, positive pressure can be applied to the other lung to open collapsed alveoli and improve ventilation.
  6. Lung Ischemia Testing: In some cases, such as during lung transplant surgeries, endobronchial tubes can be used to occlude one bronchus temporarily to assess the blood flow and function of the lung being transplanted.



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