A<unk>  is a surgical procedure that creates a stoma (artificial opening) for the urinary system. A<unk>  is made to avail for urinary diversion in cases where drainage of urine through the bladder and urethra is not possible, e.g. after extensive surgery or in case of obstruction.
Urostomy
Nephrostomy
Percutaneous nephrostomy
Ureteric balloon catheter
Ureterostomy
Penrose drain
Ureterocutaneostomy
Cystogastrostomy