所述尿道扩张导管包括设置在所述扩张导管内的上皮和闭孔装置。
The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.
腮腺导管内的液体呈高信号。
And the fluid in parotid ducts showed high signal intensity.
气管导管内的望远镜能够降低儿童经鼻气管插管时的鼻出血。
Telescoping tracheal Tubes into Catheters Minimizes Epistaxis during Nasotracheal Intubation in Children.
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