18
Participants
Start Date
June 1, 2018
Primary Completion Date
June 30, 2020
Study Completion Date
June 30, 2020
Ultrafine Endoscope
The reversal of the normal colonoscope (CV-260SL; Olympus, Tokyo, Japan) along the guidewire to replace the UFE (GIF-XP260NS; Olympus, Tokyo, Japan).
Ningbo first hospital, Ningbo
Ningbo No. 1 Hospital
OTHER