Chenglong Zhu1,3*, Miao Zhou1,4*, Yongchu Hu2, Wenyun Xu2, Zui Zou1,2
1School of Anesthesiology, Naval Medical University, Shanghai 200433, China. 2Department of Anesthesiology,
Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China. 3Faculty of Anesthesiology,
Changhai Hospital, Naval Medical University, Shanghai 200433, China. 4Department of Anesthesiology, the Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research,
Nanjing Medical University, Nanjing 210009, Jiangsu, China.
*The authors have contributed equally to this work.
Address correspondence to: Zui Zou, School of Anesthesiology, Naval Medical University, 168 Changhai Road,
Yangpu District, Shanghai 200433, China. Email: zouzui@smmu.edu.cn. Wenyun Xu, Second Affiliated Hospital
of Naval Medical University, 415 Fengyang Road, Huangpu District, Shanghai 200003, China. Email: xuwenyun@
smmu.edu.cn.
Acknowledgement: This study was funded by the National Natural Science Foundation of China (81670072), the
Shanghai Municipal Committee of Science and Technology (20XD1434400) and Special Project on Incubation of
Civil-Military Integration Achievements of the Naval Medical University (2022-RH10).
Declaration of conflict of interest: None.
Ethics approval and consent to participate: Chinese Clinical Trial Registry approved this study (ChiCTR2200060783).
All procedures and research activities performed in the study were in accordance with the ethical standards of the
institutional research committee. Consent was obtained from a legally authorized representative.
DOI: https://doi.org/10.61189/109678mkmeds
Received November 29, 2023; Accepted January 16, 2024; Published June 30, 2024
Highlights
● SEEKflex (Safe Easy Endotracheal Kit-flexible) is a modified introducer, which provides a simple and rapid way for
intubating patients with laryngeal tumors.
● With its non-invasive and gentle approach, SEEKflex minimizes patient discomfort, enhancing the overall patient
experience.
● Flexible fiberoptic bronchoscope remains the most frequently used tool for managing difficult airways.