Authors' Contributions
COMPLICATIONS
Yun-Shui Zhang and Shuang-Long Zhang have contributed equally to this study.Flowchart of patient inclusion.The short and long axis double screens were used to control the puncture plane. (A to C) the diagram, operating photo and ultrasound image of short axis plane. (D to E) the diagram, operating photo and ultrasound image of long axis plane. “The short and long axis double screens were used to control the puncture plane.” The value is in bold format.Image and photo of puncturing (A) the real‐time ultrasound image of double screen puncturing. Yellow line shows the needle trajectory. (B) The operating photo of puncturing. “Image and photo of puncturing” the value is in bold format.Patients' general information.The difference of the puncture success rate.Complications' rate.Total intubation time.