Methods On the standpoint of the peculiar anatomic structure and the pathological changes of complex airway stenosis, we designed the inverted Y-shaped self - expandable metal stent.
方法根据气道复合狭窄的特殊解剖结构与病变特点，设计气道倒y型一体化自膨胀式金属内支架。
There were 166 endoscopic nasobiliary drainage, 87 plastic biliary stenting and 48 expandable metal stent implantation.
行鼻胆管引流术166例次，塑料内置管引流87例次，放置可膨式金属胆道支架48例。
There were 166 endoscopic nasobiliary drainage, 87 plastic biliary stenting and 48 expandable metal stent implantation.
行鼻胆管引流术166例次，塑料内置管引流87例次，放置可膨式金属胆道支架48例。
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