<unk>  is a surgical procedure aimed at exposing the ureter in order to free it from external pressure or adhesions or to avoid injury to it during pelvic surgery, most often hysterectomy.
Ureterolysis
Ureterocutaneostomy
Ureteroureterostomy
Ureterostomy
Percutaneous nephrostomy
Ureteric stent
Ureteric balloon catheter
Nephrostomy