The ureters are narrow tubes that run from each kidney to the bladder. Muscles in the ureter walls are always tightening and relaxing to force urine away from the kidneys into the bladder. Small amounts of urine are empties into the bladder from the ureters about every 10 to 15 seconds.

If something blocks the ureters, the urine will stop flowing and can even back up into the kidneys. If this happens, a kidney infection can develop.

Sometimes stones in the kidney or at the point where the ureter leaves the kidney block the flow of urine. At the Minimally Invasive Urological Program, blockages of the ureter can be treated in minimally invasive ways.

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