75
Participants
Start Date
October 1, 2019
Primary Completion Date
January 31, 2020
Study Completion Date
February 10, 2020
15° and 30° wedge sponges
After the spinal anesthesia is completed, the wedge sponge is placed between the patient's pelvis and ribs and the wedge is removed before the skin is cut.
Liu Tian yu, Xuzhou
Xuzhou Medical University
OTHER