A replaceable collection chamber for monitoring the amount, rate and nature of drainage; The water sealed chamber as a one-way valve and the window leading to the patient's pleural space; There is also a suction control chamber that regulates suction and helps to re expand the lungs.
Hypodermic needles are available as a needle only or a needle and syringe combination. A hypodermic needle is a hollow needle usually used with a syringe to inject substances into the body or extract fluids from it. They can also be used to collect fluid samples from the body, such as blood from a vein during venipuncture.