direct laryngoscope meaning in English

经喉直接内窥镜
直接喉镜

Results the difficult tracheal intubations were completed using blind nasal intubations in 142 patients , blind oral intubations with direct laryngoscope in 2 377 patients , oral intubations with fiberoptic stylet rigid laryngoscope in 186 patients , and oral or nasal intubations with flexible fiberoptic bronchoscope in 72 patients
结果142例采用盲探经鼻插管， 2377例采用直接喉镜经口盲探插管， 186例采用纤维光导硬喉镜经口插管， 72例采用纤维支气管镜完成插管。