形成了竞争对手无法逾越的品牌这一无形资产护城河，由于QQ的垄断地位，homas Fogarty发明了气囊导管（Balloon catheter）。我们还有一个设计师团队专门负责动画等渲染工作。
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双气囊导管 double balloon catheter ; double airship catheter
气囊导管扩张术 balloon catheter dilation ; blloon ctheter diltion
血流导向气囊导管 balloon tipped flow-directed catheter
食管气囊导管 esophageal balloon catheter
气囊导管动脉成形术 balloon catheter angioplasty
胆道气囊导管 fogarty biliary ballon catheter
食道气囊导管 esophageal balloon catheter
微孔气囊导管 microporous ballon cathether
隧道气囊导管 channel ballon cathether
目的探讨纤维胃镜下气囊导管扩张治疗食管狭窄的疗效。
Objective To explore the efficacy of gastrofiberscope-assisted balloon catheter dilatation of esophageal stricture.
最新研究评价了一种新的肺静脉分离的方法，其通过气囊导管使用冷烙能量。
The latest research evaluated a new approach to PVI in which cryothermal energy was applied via a balloon catheter.
目的探讨输尿管气囊导管在输尿管镜碎石术治疗输尿管上段结石中的应用价值。
Objective To explore the efficacy of ureteral balloon catheter in transurethral ureteroscopic lithotripsy for the treatment of upper ureteral calculi.
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