62
Participants
Start Date
December 31, 2014
Primary Completion Date
April 30, 2015
Study Completion Date
May 31, 2015
nerve stimulator (stimuplex HNS12)
whether using the nerve stimulator or not when the investigators do the ultrasound-guided obturator nerve block
ultrasound
we did obturator nerve block with ultrasound guided method for searching the fascias where the anterior and posterior branches of obturator nerve run.
Gachon University Gil Medical Center
OTHER