Abstract:

Complicated urolithiasis presents a significant challenge in endourology. New ultra-thin 
ureteroscopes and other small tools make it easier to do endoscopic surgery. 
This report shows how well a 4.5 Fr. Ureteroscope works on adults with proximal ureteral stones 
that are stuck. 
The two-stage method makes it possible to reach the stone without first dilating the ureter, 
putting in a ureteral stent, and then performing intracorporeal lithotripsy later. 
According to the PULS scale, the treatment worked for both patients, showing that there was no 
trauma and only minor damage to the ureteral mucosa. 
The use of the ultra-thin ureteroscope in patients with complicated urolithiasis, particularly those 
with enclaved ureteral stones, mitigates intraoperative complications and enhances the 
postoperative period by alleviating pain syndrome and postoperative hematuria. 

Keywords: micro-ureteroscopy, enclaved, atraumatic, urolithiasis, treatment 

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