In<unk>  a latex, polyurethane, or silicone tube known as a urinary catheter is inserted into the bladder through the urethra.<unk>  allows urine to drain from the bladder for collection. It may also be used to inject liquids used for treatment or diagnosis of bladder conditions. A clinician, often a nurse, usually performs the procedure, but self-catheterization is also possible. A catheter may be in place for long periods of time (indwelling catheter) or removed after each use (intermittent<unk> .
Urinary catheterization
Foley catheter
Ureteric balloon catheter
Cystography
Urinary tract ultrasound
Retrograde urethrogram
Bladder training
Ureteroscopy