A pleural space draining assembly for draining gas and liquid from a pleural space includes a catheter. Walls, coupled to and positioned in the catheter, define a first channel, a second channel, and a third channel. A first port, fluidically coupled to the first channel, is positioned through the catheter proximate to a first end of the catheter. A stylet, which has a tip that is blunt, is complementary to the first channel. A second port, fluidically coupled to the second channel, is positioned through the catheter between the first port and a midpoint of the catheter. A balloon is sealably positioned in the second channel. The balloon is configured to reversibly and selectively inflate. Holes, fluidically coupled to the third channel, are positioned through the catheter. A valve is fluidically coupled to the third channel at the first end of the catheter.
