Use of the Deniz™ rigid stone basket for treating ureteral calculi

D. Ipek

Department of Urology, Yalova State Hospital, Yalova, Turkey. dr.denizipek@gmail.com

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• Urology

OBJECTIVE: Advancements in ureteroscope and stone basket design have introduced ureteroscopy to the forefront of surgical stone management. However, different issues, such as stone migration and ureteral injury, remain a challenge among urologists. The Deniz™ rigid stone basket is a patented product (patent number: TR 2016 00421 Y) manufactured in Turkey. Herein, we report our initial experience with the Deniz™ rigid stone basket for managing urinary calculi and compare the use of this device with other methods to optimize ureteroscopic stone management.

PATIENTS AND METHODS: Fifty patients undergoing ureteroscopic laser lithotripsy for urinary calculi were retrospectively evaluated by two surgeons. The Deniz™ rigid stone basket was utilized to prevent retrograde ureteral stone migration or to facilitate fragmentation and extraction of ureteral calculi.

RESULTS: In total, 29 men and 21 women, with a mean age of 46.5 (range: 21-69) years, were treated for upper (n = 30), medium (n = 7), and lower (n = 13) ureter calculi. The mean stone diameter was 13.08 (range: 7-22) mm; the mean operative time, 46 (range: 20-80) min; the mean energy utilization, 2.98 (range: 1.5-3.5) kJ; and the mean laser frequency, 6.96 (range: 6-12) hz. None of the patients developed complications, and 46 (92%) patients who underwent ureteroscopic laser lithotripsy using the Deniz™ rigid stone basket were declared stone-free. Four patients had residual stones measuring < 3 mm on post-operative imaging.

CONCLUSIONS: The Deniz™ rigid stone basket is safe and effective for preventing stone migration and facilitating ureteroscopic laser lithotripsy procedure and stone extraction.

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