A urinary catheter is a hollow, partially flexible tube that collects urine from the bladder and leads to a drainage bag. They come in many sizes and types. Catheters may be necessary in cases when ...

External urinary catheters are less invasive than internal catheters, which drain urine from your bladder via a thin tube inserted into your urethra (Foley catheter) or via a small incision in the ...

A suprapubic catheter is a type of urinary catheter. It empties the bladder through an incision in the belly instead of a tube in the urethra. A catheter usually includes a flexible tube that drains ...