intubation canula插管套管
cyclodialysis canula睫状体分离套管
tracheal canula气管插管
canula supraglotica呼吸面罩
indwelling canula留置套管
unbilical canula脐注射套管
metal canula金属套管
cholangiography canula胆道造影套管
inner canula内套管
N（名词） a narrow tube for insertion into a bodily cavity, as for draining off fluid, introducing medication, etc 插管 [surgery]