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urinary catheter

A thin, flexible tube passed through the urethra into the bladder to drain urine.

YUR-ih-nair-ee KATH-uh-ter noun

What it means

A straight (intermittent) catheter is put in, drains the bladder and is taken out. An indwelling urinary catheterin-DWEL-ing YUR-ih-nair-ee KATH-uh-terA tube passed through the urethra into the bladder and left in place to drain urine into a bag.Full entry stays in, held by a small balloon. A suprapubic catheter enters the bladder through the lower belly, and external catheters fit over or against the outside of the body without entering it. The main risk of an inserted catheter is a urinary tract infection.

For the nurse

Insert with sterile technique. Keep the bag below the bladder and off the floor and the tubing free of kinks, give perineal care every day, and ask every day whether the catheter is still needed.

At a glance

Spanishsonda urinaria
Also writtenurinary catheters

Related terms

urinary tract infection

An infection anywhere in the urinary tract: the kidneys, ureters, bladder or urethra.

indwelling urinary catheter

A tube passed through the urethra into the bladder and left in place to drain urine into a bag.

urinary retention

Being unable to empty the bladder completely, or at all.

catheter

A thin, flexible tube put into the body to drain fluid out or to put fluid or drugs in.

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