blood vessel bypass grafting

例句：

1. 1. This surgical procedure is used to bypass a blockage in the artery.
   这种外科手术用于绕过动脉的阻塞。
2. 2. The patient underwent bypass grafting to improve his blood flow.
   患者接受了旁路移植术以改善他的血流。
3. 3. The success of the surgery depended on the quality of the bypass grafts used.
   手术的成功取决于使用的旁路移植物的质量和数量。