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The indication for and the technique of the percutaneous operation on strictures at the ureteropelvic junction are reported on 120 patients. The results of evaluation of 66 followed-up cases are presented. The new method proves to be superior to open surgery in secondary (acquired) stenoses with a success rate of 89 per cent, whereas in congenital stenosis(More)
The indication for and technique of the percutaneous operation of strictures at the ureteropelvic junction in 117 patients are discussed. The results in 66 followed up cases are presented in detail. The new method was found superior to open surgery in cases of secondary (acquired) stenoses and a success rate of 89% can be expected. The results of its use(More)
A new catheter for postoperative irrigation of the bladder after operation of the prostate or bladder is introduced. Instead of 1 to 3 large holes measuring 5.5-6.5 mm by 2.5-3 mm at its tip, as in common catheters, it has 32 drainage holes, each of them measuring 1.5 mm in diameter. This type of construction still secures sufficient unhindered drainage of(More)
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