Urinary catheters are used to drain the bladder. Your health care provider may recommend that you use a catheter if you have:
Urinary incontinence (leaking urine or being unable to control when you urinate)
Urinary retention (being unable to empty your bladder when you need to)
Surgery on the prostate or genitals
Other medical conditions such as multiple sclerosis, spinal cord injury, or dementia
Catheters come in many sizes, materials, and types (straight or coude tip). A Foley catheter is a common type of indwelling catheter. It has soft, plastic or rubber tube that is inserted into the bladder to drain the urine.
In most cases, your provider will use the smallest catheter that is appropriate
INDWELLING URETHRAL CATHETERS
An indwelling urinary catheter is one that is left in the bladder. You may use an indwelling catheter for a short time or a long time.
An indwelling catheter collects urine by attaching to a drainage bag. The bag has a valve that can be opened to allow urine to flow out. Some of these bags can be secured to your leg. This allows you to wear the bag under your clothes. An indwelling catheter may be inserted into the bladder in 2 ways:
Most often, the catheter is inserted through the urethra. This is the tube that carries urine from the bladder to the outside of the body.
Sometimes, the provider will insert a catheter into your bladder through a small hole in your belly. This is done at a hospital or provider office.
An indwelling catheter has a small balloon inflated on the end of it. This prevents the catheter from sliding out of your body. When the catheter needs to be removed, the balloon is deflated.
TO CARE FOR A CATHETER To care for an indwelling catheter, clean the area where the catheter exits your body and the catheter itself with soap and water every day. Also clean the area after every bowel movement to prevent infection. If you have a suprapubic catheter, clean the opening in your belly and the tube with soap and water every day. Then cover it with dry gauze. Drink plenty of fluids to help prevent infections. Ask your provider how much you should drink. Wash your hands before and after handling the drainage device. DO NOT allow the outlet valve to touch anything. If the outlet gets dirty, clean it with soap and water.
Sometimes urine can leak around the catheter. This may be caused by:
Catheter that is blocked or that has a kink in it
Catheter that is too small
Bladder spasms
Constipation
The wrong balloon sizes
Urinary tract infections.

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