Clinical Study of Endovascular Interventional Surgical Instrument Control System and Related Consumables in Percutaneous Coronary Intervention

Inclusion Criteria: 1. Patients who voluntarily participate in and sign the informed consent form, and can cooperate to complete the whole trial process; 2. aged over 18 and under 75; 3. After coronary CT angiography (CTA) or coronary angiography (DSA), the investigator judged that the patients who needed interventional blood supply reconstruction (target vessel diameter ≥ 2.5mm and lesion stenosis ≥ 70%). Exclusion Criteria: 1. Acute myocardial infarction occurred within 7 days; 2. The target vessel has received coronary intervention within 30 days; 3. Restenosis in stent of target vessel; 4. Patients with bifurcation lesions whose target vessel branches need to be protected but cannot protect the collateral branches; 5. Hemodynamic instability (including low blood pressure or use of vasopressors to maintain blood pressure;) 6. Three vessel lesions; 7. The target vessel was diagnosed as coronary chronic occlusive disease (CTO) or left main artery stenosis or severe calcification requiring pretreatment; 8. Perforation, dissection or aneurysm of the proximal vessel of the target vessel; 9. Echocardiography showed that left ventricular ejection fraction (LVEF) was less than 50%; 10. Stroke or transient ischemic attack (TIA) occurred within 30 days; 11. Peptic ulcer or gastrointestinal bleeding within 90 days; 12. Estimated glomerular filtration rate eGFR (ckd epi)\<30 ml/min/1.73 m2; 13. Platelet count\<50 × 109/L or \> 700 × 109/L； White blood cell count \< 3 × 109/L; 14. Women who are in pregnancy or lactation or have a pregnancy preparation plan during the trial period; 15. People with allergy history or contraindication to antiplatelet drugs, anticoagulants, anesthetics, contrast agents, stent materials and their coating drugs; 16. Severe infections difficult to control; 17. Those who have mental diseases or mental disorders and cannot be described normally; 18. Emergency operation is required for any reason; 19. Those who have participated in clinical trials of other drugs or medical devices within 3 months before screening; 20. The investigator believes that there are other circumstances that are not suitable for this clinical trial.