FIELD : medicine.SUBSTANCE : invention relates to medicine. Antireflux valve for surgical management of children with congenital diseases of vesicoureteral refluxes 3…5 degrees, megoureter and postoperative recurrences according to Cohen, Leach-Gregoire, Politano-Leadbetter and Barry method includes a bushing with smaller diameter and a bushing with larger diameter, a valve petal arranged on the end of the antireflux valve facing the urinary bladder and attached by means of a loop, and a spring which is adjustable to open the valve based on the age of the patient and fixed between the sleeve with a smaller diameter and a petal by hooks. Bushing with smaller diameter is made with possibility of installation in the distal end of the ureter, and the bushing with larger diameter - with the possibility of installation into the bladder wall with suturing through the holes made in the valve. Petal is made of silver, and spring is made from beryllium bronze.EFFECT : technical result consists in providing an obstacle to back discharge of urine from the bladder cavity into the upper urinary tract.1 cl, 1 dwg