| 摘要 |
A catheter for removing urine from the bladder, or also for removal of other bodily fluids, which is of such type that ascending infections are prevented to the greatest degree possible. The catheter is designed in such a way that, when it is used for removing urine, the urethra is rinsed by the urine of the individual. A coating of the catheter walls with a substance which itself slowly dissolves in an aqueous environment assures that the surface of the catheter wall is continuously renewed and thereby prevents the spreading of germs on the surface of the catheter wall in the direction of the bladder.
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