What Is a Foley Catheter?


Quick Answer

A Foley catheter is a thin, sterile tube that medical personnel insert into a patient's bladder to drain urine, according to eMedicineHealth. This catheter can be left in place for many days and is also known as an indwelling catheter.

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Full Answer

Medical personnel insert a Foley catheter into the patient's urethra and thread it into the bladder, explains eMedicineHealth. An inflatable balloon filled with sterile water at one end of the catheter holds the catheter in place in the patient's bladder. The urine in the patient's bladder drains through the thin, sterile tube of the Foley catheter into a disposable bag that is emptied when full.

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