Indwelling Urinary Catheters | 合法醫療器材資訊網

IUCshavedoublelumens,orseparatechannels,runningdownitlengthwise.Oneofthelumenisopenatbothendsandallowsforurinedrainagebyconnectionto​ ...

Indwelling urinary catheters (IUCs) are semi-rigid, flexible tubes. They drain the bladder but block the urethra. IUCshave double lumens, or separate channels, running down it lengthwise. One of the lumen is open at both ends and allows for urine drainage by connection to a drainage bag.

The other lumen has a valve on the outside end and connects to a balloon at the tip; the balloon is inflated with sterile water when it lies inside the bladder, and allows for retention in the bladder.  These are known as two-way catheters.  

The name of the Foley catheter comes from the designer, Frederic Foley, a surgeon working in Boston, Massachusetts, in the 1930s. His original design was adopted by C. R. Bard, Inc. who manufactured the first prototypes and named them in honor of the surgeon.

Catheter sizes are colored-co...