Bladder stone collects in the bladder and minerals like calcium start to precipitate. Other individuals who develop bladder stones include those who have had spinal cord injury, paralysis, or some type of nerve damage. When nerves to the back are damaged, the bladder cannot empty, resulting in stagnant urine. Bladder stones may occur whenever the kidneys, bladder, or ureters become inflamed, which may occur when the urine becomes too concentrated or when the body becomes dehydrated. Minerals such as calcium and magnesium crystallize into the stones, which then can cause such symptoms as lower back or abdominal pain or difficulty with urination.
Artificial urinary bladder are not subject to transplant rejection, unlike transplants from human or animal donors. The current standard for repairing a damaged urinary bladder involves partial or complete replacement using tissue from the small intestine. Artificial urinary bladder The two main methods for replacing bladder function involve either redirecting urine flow or replacing the bladder "in situ". Replacement can be done with an artificial urinary bladder, an artificial organ. On January 30, 1999, scientists announced that a lab-grown bladder had been successfully transplanted into dogs. These artificial bladders worked well for almost a year in the dogs. In 2000, a new procedure