Ureteral stent

The utility model discloses a ureteral stent. The ureteral stent comprises a gas catheter, an air bag, a degradable stent and a ureter, by arranging the air bag communicated with the air catheter and sleeving the degradable support on the outer surface of the air bag, the ureter can be powerfully supported in a short time after urinary tract obstruction treatment, the degradable support is degraded along with remodeling of the ureter, the operation of replacing and drawing a tube in the prior art is eliminated, and the operation efficiency is improved. The problems that due to the fact that an existing ureteral stent is placed for a long time, a capsid is formed on the surface of a ureter, the ureteral stent is difficult to pull out and needs to be pulled out in a hospital for an operation are effectively solved, the stimulation symptom of a double-J-shaped structure to the kidney and the bladder all the time is eliminated, and discomfort of the waist and the back of a patient during daily activities is elimi