Univent tube Made by Fuji Systems, Tokyo, Japan, is a tracheal tube with a second lumen that contains a coaxial, balloon tipped catheter which can be advanced under fiber optic bronchoscopy and blocked in either bronchus. Arndt endobronchial blocker Produced by Cook Critical Care, Bloomington, USA, is a catheter with a balloon tip and inner lumen which contains a flexible wire which is coupled to a fiber optical bronchoscope to guide the device into the desired bronchus. Cohen endobronchial blocker By Cook Critical Care, is a catheter shaft with a distal soft nylon flexible tip and balloon which can be deflected by 90° to guide the device into either bronchus. Coopdech<unk>  By Smith Medical, Rosmalen, NL, has a preformed angulation at the distal tip to aid placement in the desired bronchus. EZ‐blocker By Teleflex Inc., USA, a Y-shaped<unk>  with two distal extensions to be placed in both main stem bronchi.
Bronchial blocker
Bronchodilator
Nonsteroidal anti-inflammatory drug
Cholinergic blocking drugs
Antiarthritics
Mucoactive agent
Antiplatelet drug
Beta blocker