Catheterization is used to drain a patient's urine freely from the bladder or to inject liquids for treatment and diagnosis of certain bladder conditions. Cathing is usually done at a clinic by a nurse, although self-catheterization is also possible.
This is an educational video that will show you the process of inserting a urinary catheter into a male patient. You must use plenty of lubricant for catheter insertion, and when inserting a Coudé tip cath (a 14 French Coudé was used in this video), it's important that it is facing upwards. This is a real procedure of a hands-on view of the clinical male insertion into the urethra, so be warned. Not suitable for minors.