Foley catheter | 合法醫療器材資訊網

Inurology,aFoleycatheterisaflexibletubethataclinicianpassesthroughtheurethraandintothebladdertodrainurine.Itisthemostcommontypeofindwellingurinarycatheter.Thetubehastwoseparatedchannels,orlumens,runningdownitsle

Medical device

In urology, a Foley catheter (named for Frederic Foley, who produced the original design in 1929) is a flexible tube that a clinician passes through the urethra and into the bladder to drain urine. It is the most common type of indwelling urinary catheter.

The tube has two separated channels, or lumens, running down its length. One lumen, open at both ends, drains urine into a collection bag. The other has a valve on the outside end and connects to a balloon at the inside tip. The balloon is inflated with sterile water when it lies inside the bladder to stop it from slipping out. Manufacturers usually produce Foley catheters using silicone or coated natural latex.[c...