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。
2
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。
3
The balloon and stent are delivered to the heart area via a long catheter inserted into a blood vessel in the patient's thigh.