Overview
This is a randomized controlled trial which aims to compare the efficacy and safety of Thulium fiber laser (TFL) and holmium:yttrium-aluminum-garnet (Ho:YAG) laser ablation during the treatment of upper urinary tract stone disease with flexible ureteroscopy, demonstrating clinical superiority of TFL.
Eligibility
Inclusion Criteria:
- Renal/ureteral stones > 4 mm
Exclusion Criteria:
- Anatomical abnormalities