Results: 61 patients (male: 45; female: 16) with 61 ureters having proximal stones, stones size: 12.4 ± 2.9 mm (9 - 20); operation time: 23.5 ± 11.2 min (15 - 52); hospital time of post operation: 2.7 ± 1.2 days (1 - 7); successful rate: 59/61 (96.8%); stone - free rate: 59/59 (100%); overall complications: 5.1%.