气球是瘪之前，导管抽吸去除后的液体或空气。
The balloon is deflated prior to catheter removal by aspirating back the fluid or air.
一旦一步到位，对导管气球充气，压缩斑块到动脉壁和支架扩张。
Once everything is in place, a balloon on the catheter is inflated, mashing the plaque into the artery wall and expanding a stent.
气球和支架经导管通过患者大腿血管置入到心脏区域。
The balloon and stent are delivered to the heart area via a long catheter inserted into a blood vessel in the patient's thigh.
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