软导管

但研究人员相信其将会代替目前标准的技术，而目前技术需要通过鼻腔置入一根软导管进入食道。

micro-mechanical devices devices without flexible elements

skirt, flexible

flexible drive mechanism with ropes

pipe, flexible

shaft, flexible, Bowden mechanism

flexible chain

insulated flexible pipe

hollow waveguide, flexible