# Tip-flexible Semi-rigid Ureterorenoscope Versus Flexible Ureteroscopy in Renal Calculi

> **NCT02426931** · NA · UNKNOWN · sponsor: **Ling Li, MD** · enrollment: 280 (estimated)

## Conditions studied

- Renal Calculi

## Interventions

- **DEVICE:** the tip-flexible ureterorenoscope
- **DEVICE:** the classic flexible ureteroscope

## Key facts

- **NCT ID:** NCT02426931
- **Lead sponsor:** Ling Li, MD
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2015-04
- **Primary completion:** 2015-06
- **Final completion:** 2015-06
- **Target enrollment:** 280 (ESTIMATED)
- **Last updated:** 2015-04-27

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02426931

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02426931, "Tip-flexible Semi-rigid Ureterorenoscope Versus Flexible Ureteroscopy in Renal Calculi". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT02426931. Licensed CC0.

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