Researchers said the weight of the balloon and chemicals would match several double decker buses, requiring a very large vessel.

研究人员表示气球和化学物质的重量将相当于数辆双层汽车，运送它们需要非常大的卡车。

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Both the minimum and maximum balloon expansions were simulated in the coronary artery assuming the vessel lumen diameter is narrowed by a 75% occlusion.

同时扩张冠状动脉血管腔直径假设被模拟的最小和最大气球是75%闭塞所收窄。

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The balloon and stent are delivered to the heart area via a long catheter inserted into a blood vessel in the patient's thigh.

气球和支架经导管通过患者大腿血管置入到心脏区域。

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Clinton underwent a procedure called angioplasty, the hospital said, in which a balloon catheter is threaded through an artery to the blocked vessel in the heart.

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The balloon is inflated against the diseased wall to squash the lesion and clear the vessel.

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