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Surgical knives designed to cut the anatomical structures of the upper urinary tract (i.e., ureters) during percutaneous (open surgery) procedures. These devices may consist of manual handheld instruments that usually have a straight handle and a long narrow blade with a sharp cutting edge at the distal end. Ureter surgery knives are used mainly for incisions in the ureter to open a temporary external passage during treatment of strictures and/or benign polyps. Dedicated endoscopic ureter surgical knives are also used in a variety of minimal access procedures in the upper urinary tract.
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