Foley Catheter
- Foley Catheter Introduction
- Risks
- Foley Catheter Preparation
- During the Procedure
- After the Procedure
- Next Steps
- When to Seek Medical Care
- Multimedia
- Synonyms and Keywords
- References
- Authors and Editors
Foley Catheter Introduction
A Foley catheter is a thin, sterile tube inserted into your bladder to drain urine. Because it can be left in place in the bladder for a period of time, it is also called an indwelling catheter. It is held in place with a balloon at the end, which is filled with sterile water to hold it in place. The urine drains into a bag and can then be taken from an outlet device to be drained. Laboratory tests can be conducted on your urine to look for infection, blood, muscle breakdown, crystals, electrolytes, and kidney function. The procedure to insert a catheter is called catheterization.
A Foley catheter is used with many disorders, procedures, or problems such as these:
- Retention of urine leading to urinary hesitancy, straining to urinate, decrease in size and force of the urinary stream, interruption of urinary stream, and sensation of incomplete emptying
- Obstruction of the urethra by an anatomical condition that makes it difficult for you to urinate: prostate hypertrophy, prostate cancer, or narrowing of the urethra
- Urine output monitoring in a critically ill or injured person
- Collection of a sterile urine specimen for diagnostic purposes
- Nerve-related bladder dysfunction, such as after spinal trauma (A catheter can be inserted regularly to assist with urination.)
- Imaging study of the lower urinary tract
- After surgery
Next: Risks »
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Foley Catheter
Incontinence Overview
Urine is a waste product made as the kidneys filter the blood. Each kidney (one kidney on each side of the abdomen) sends newly made urine to the bladder through a tube called a ureter. The bladder acts like a storage site for urine. It expands to hold the urine until a person decides to urinate.
Holding urine and maintaining continence requires normal function of these parts of the body as well as the nervous system. Also, a person must be able to sense, understand, and respond to the urge to urinate. The process of urination involves two phases: (1) the filling and storage phase and (2) the emptying phase. During the filling and storage phase, the bladder fills with urine from the kidneys. The bladder stretches as it fills with increasing amounts of urine. On average, a person senses the need to urinate when approximately 200 mL (7 ounces) of urine is stored in the bladder. A healthy nervous system responds to the stretching of the bladde...
Read What Your Physician is Reading on eMedicine
Incontinence, Urinary »
Urinary incontinence is defined by the International Continence Society as the involuntary loss of urine that represents a hygienic or social problem to the individual.
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