Urostomy surgery
A urostomy is a type of surgery that helps urine flow from the body after removal of a diseased or damaged part of your urinary tract1. With a urostomy, urine would flow as it is produced, because you would have no voluntary control over urine flow. A pouch or collection device is needed. All urostomy pouches have a drainage tap on the bottom allowing you to empty the contents of the pouch repeatedly throughout the day.
An ileal conduit is a common type of urostomy. It would be necessary if your bladder needs to be removed due to disease or injury. A part of the small intestine would be cut and clamped shut at one end. This would create a new urine container or “bladder.” The two ureters (tubes) that carry urine from the kidneys would then be attached to this new bladder. The open end of the new bladder
would be brought out through your
abdominal wall, where a stoma would
be created1. | 
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In an ureterostomy, one or both urine tubes would be redirected from the kidney through the abdominal wall to form a stoma1. This is a very rare procedure. This type of surgery is most often seen as a temporary measure in some pediatric patients, and is rarely meant to be permanent1. | 
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References [+]
- Tomaselli N, McGinnis DE. Urinary diversions: surgical interventions. In: Colwell JC, Goldberg MT, Carmel JE. Fecal and Urinary Diversions: Management and Principles. St Louis, MO: Mosby-Year Book; 2004:184-204.