https://www.selleckchem.com/pr....oducts/ddr1-in-1.htm
4points, n. s.). Some items demonstrated more problems dealing with urinary urge in valve-aided patients, but catheter-related pain was more often worse in patients with continuous drainage. There is no clear evidence for an advantage of acatheter valve over acontinuous urine drainage system. Thus, the decision regarding acatheter-valve system must be made individually according to the indication and the preferences of the patient. There is no clear evidence for an advantage of a catheter valve over a continuous urine drainage system.