What is urinary catheterization (and what is its process)?

Urinary catheterization is the process whereby a tube is inserted into the urethra and into the bladder to drain the urine. This is a necessary process in people with trauma, unconscious patient or those who cannot micturate to prevent the bladder from bursting or from automatically draining.

Once inserted, in a sterile manner, the technician needs to check for kinks in the tubing as well as the color and consistency of the urine and the volume. He then needs to keep regular eye on the urine output and plot an input output chart to control the fluid levels of the patient.