60
Participants
Start Date
February 15, 2023
Primary Completion Date
July 30, 2023
Study Completion Date
August 3, 2023
The cuff of endotracheal and endobronchial is collapsed
The diameter of double-lumen tube at the cuff of endotracheal and endobronchial when the cuff is collapsed as the diameter of double-lumen tube and select a double-lumen tube that matches the patient's trachea and bronchial innerdiameter based on this diameter
The cuff of endotracheal and endobronchial is inflated
The diameter of double-lumen tube at the cuff of endotracheal and endobronchial when the cuff is inflated as the diameter of double-lumen tube and select a double-lumen tube that matches the patient's trachea and bronchial innerdiameter based on this diameter
The first hospital of Qinhuangdao, Qinhuangdao
The First Hospital of Qinhuangdao
OTHER_GOV