A urinary catheter is a small, flexible tube that can be inserted through
the urethra and into the bladder, allowing urine to drain. The urethra is the
tube that carries urine from the bladder out of the
Standard catheters are often used for intermittent self-catheterization.
A thin, flexible, hollow tube is inserted through the urethra into the bladder
and allows the urine to drain out. In intermittent catheterization, the catheter is inserted, the bladder is drained, and the catheter is immediately taken out.
ByHealthwise Staff Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine Adam Husney, MD - Family Medicine Specialist Medical ReviewerAvery L. Seifert, MD - Urology