1. A device for expanding the urethral stricture, comprising: a dilator having an elongated body, provided with a distal end, converging on a cone in the direction of the distal tip of the catheter, a proximal end and a conduit channel passing through it； ； lubricating port at the proximal end of the elongated body for introducing liquid conductor lubricant into the conductor channel； wherein the conductor is provided with a plug preventing the proximal end of the conductor from passing through the conductor channel toward the distal tip of the dilator, the plug being adapted to receive a syringe for introducing liquid lubricant of the conductor into the conductor channel when the plug is inserted into the lubricating port； the distal end of the dilator is bent at an angle to the elongated body and tapers in diameter from a value in the range of 14-24 units on the French scale (French) to 2 units on the French scale (French) .2. The device according to claim 1, wherein the plug includes a head part and a body part with a T-shape and a hollow core passing through it, while the body part can be inserted into the lubricating port, and the head part is adapted to receive a syringe. The device according to claim 1, wherein the plug includes a head with a hollow core passing through it, the head being adapted to receive a syringe. The device according to claim 2 or 3, wherein the head of the plug is larger than the opening of the lubricating port. 5. The device according to claim 1, wherein the plug can be disconnected with a lubricating port. Y1. Устройство для расширения уретральной стриктуры, включающее:дилататор, имеющий удлиненное тело, снабженное дистальным концом, сходящимся на конус в направлении дистального наконечника катетера, проксимальным концом и проходящим через него проводниковым каналом；проводник, проходящий через проводниковый канал, для проведения дилататора при вставлении； исмазочный порт на проксимальном конце удлиненного тела для введения жидкой смаз
