Urinary Catheters: Uses, Types | 合法醫療器材資訊網

Indwellingcatheters(urethralorsuprapubiccatheters).Anindwellingcatheterisacatheterthatresidesinthebladder.ItmayalsobeknownasaFoleycatheter.

A urinary catheter is a hollow, partially flexible tube that collects urine from the bladder and leads to a drainage bag. Urinary catheters come in many sizes and types. They can be made of[1]:

Catheters may be necessary in cases when you can’t empty your bladder. If the bladder isn’t emptied, urine can build up and lead to pressure in the kidneys. The pressure can lead to kidney failure[2], which can be dangerous and result in permanent damage to the kidneys.

Most catheters are necessary until you regain the ability to urinate on your own, which is usually a short period of time. Older adults and those with a permanent injury or severe illness may need to use urinary catheters for a much longer time or permanently.

A doctor may[3] re...