40
Participants
Start Date
October 31, 2014
Primary Completion Date
February 28, 2015
Study Completion Date
February 28, 2015
propofol concentration
First subjects start from effect site concentraion of 5ug/ml propofol, after insertion of i-gel, determine the next subjects' effect site concentraion would be increae or decrease 0.5 ug/ml as up and down method
Gachon University Gil Medical Center
OTHER