168
Participants
Start Date
October 13, 2019
Primary Completion Date
October 1, 2020
Study Completion Date
October 1, 2021
the MicroHand S endoscopic instrument control system
Using the MicroHand S endoscopic instrument control system to treat gallstone or cholecystitis in minimal invasive surgery.
the da Vinci endoscopic instrument control system
Using the da Vinci endoscopic instrument control system to treat gallstone or cholecystitis in minimal invasive surgery.
The Third Xiangya Hospital of Central South University, Changsha
The Affiliated Hospital of Qingdao University
OTHER
The Third Xiangya Hospital of Central South University
OTHER