2)The material of double J drainage catheter makes the patients feel comfortable. The expansion effort is good so that the catheter can stay in body longer, which is good for the decrease of hydronephrosis and prevent ureteral to become narrow again.
3)Double J drainage catheter is easy to place and remove. If the ureteral stricture is not very serious, catheter can be put in body under cystoscope.
4)Double J drainage catheter as adjuvant therapy of kidney, ureter stones Lithotripsy surgery to prevent the occurrence of incarcerated stone street block large residual stone falling ureter; make modest relaxation of the ureter, urinary stents through the drainage along the Coanda effect to bladder, urinary retention smooth; removal of stents can accumulate in the wall of stone powder and small particles together to bring out and promote stones drained.
Clinical data show:
1)Double J drainage catheter is the ideal treatment of upper urinary tract obstruction hydronephrosis, with the advantage of simple use, short hospital stay, and low infection, etc.
2)With the use of double J drainage catheter drainage, the incidence of urinary tract complications are significantly reduced.
3)Patients with ureteral stones, under long-term stimulation of stones, whose ureteral mucosa often have varying degrees of inflammatory hyperplasia or polyp formation, would have some complication because of continuous?leakage?of?urine and stricture after the stone is removed. After placing the double J drainage catheter, because of the effective of the inner drainage and stent, it can prevent leakage of urine or reduce leaking time and prevent stricture.
4)Double J drainage catheter has a good supporting role, closed drainage unobstructed, to avoid the infection of nephrostomy or ureteral stent prone, which can be normally placed.
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| Double J catheter |

