冠状动脉(冠脉)介入技术是治疗冠心病的重要治疗手段,随着介入操作技术的成熟以及医疗器械的改进,冠脉内支架置入的数量是日益增加,对于患者来说,创伤小,心理压力小,长 Coronary artery (coronary) interventional technique is an important treatment for coronary heart disease. As the interventional technique becomes mature and the improvement of medical equipment, the number of coronary stent implantation is increasing. For patients, trauma, Small psychological pressure, long