New kidney stone buster: VISOR system tested for faster cleanout
Symptom relief
Not yet recruiting
This study tests a new device called VISOR against the usual flexible ureteroscope for removing upper urinary tract stones up to 3 cm. About 100 adults will be randomly assigned to one of two groups. The goal is to see if VISOR clears more stones right after surgery and reduces c…
Phase: NA • Sponsor: Ningbo No. 1 Hospital • Aim: Symptom relief
Last updated May 26, 2026 07:07 UTC