During coronary angiography, a thin tube (catheter) is threaded through a blood vessel into the heart, where a special dye is injected.

在冠状动脉造影时，一个细管(导管)通过血管进入心脏，注入一种特殊的染料。

youdao

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。

youdao

Compared with a peripheral vessel, a central vein provides more blood flow around the catheter tip, reducing the risk of vein damage.

与周边血管比较，中央静脉提供导管附近更多血流，减少静脉损伤的风险。

youdao

Patients are injected with the drug, and then have a catheter carrying an optical fibre threaded into the vessel to be treated.

ECONOMIST: Medicinal light-swords

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.

CNN: Bill Clinton, fresh out of hospital, eager to go back to work