Examples of novel short-term drainage devices Examples of novel short-term drainage devices. a) 6-French thoracentesis catheter with integrated three-way tap. b) Chest drain bottle with integrated air leak monitor and digital suction. c) Pleural vent with integrated Heimlich valve for treatment of pneu... Examples of novel short-term drainage devices. a) 6-French thoracentesis catheter with integrated three-way tap. b) Chest drain bottle with integrated air leak monitor and digital suction. c) Pleural vent with integrated Heimlich valve for treatment of pneumothorax. Rahul Bhatnagar et al. Eur Respir Rev 2016;25:199-213 ©2016 by European Respiratory Society