A<unk>  or<unk>  drain is a flexible plastic tube that is inserted through the side of the<unk>  into the pleural space. It is used to remove air (pneumothorax) or fluid (pleural effusion, blood, chyle), or pus (empyema) from the intrathoracic space. The procedure is called tube thoracostomy in the United Kingdom. It is also known as a Bülau drain.
Chest tube
Endotracheal tube
Arterial line
Hemothorax CT
Thoracoscopy
Intercostal nerves
Phrenic nerve
Hemothorax surgery