CATHETER to drain the upper urinary tract

摘要

The invention relates to medicine and can be used in the surgical treatment of nephrolithiasis. The catheter is made of 2-drainage tubes of similar or different diameters coaxially adjacent to each other forming a cross section of 8-shaped. This allows more reliable passage of urine, even in the case of partial adhesion to the drains of the ureter wall, the risk of inflammation, hypertension, pyelitis-tubular reflux, reduced trauma.