Coronary Aspiration Catheter Clinical Trial

Exclusion Criteria

• •1. previous PCI intervention or coronary artery bypass grafting (CABG) in the target vessel;
• •2. Comorbid cardiogenic shock;
• •3. severe renal failure or ongoing dialysis;
• •4. severe coagulation abnormalities (e.g., hypercoagulability due to blood disorders);
• •5. Failure of preoperative thrombolysis requiring remedial PCI;
• •6. Serious bleeding events requiring transfusion therapy within 30 days prior to surgery;
• •7. Ischemic stroke within 3 months prior to surgery;
• •8. Known allergy to anticoagulant and antiplatelet agents or contrast media;
• •9. female subjects who are known to be pregnant or lactating;
• •10. Participation or planned participation in other clinical studies of drugs or devices;
• •11. other conditions that the investigator evaluates to be unsuitable for participation in this trial.
• •12. Prognostic aspiration catheter needs to pass through the original stent mesh to reach the thrombus aspiration site;
• •13. severe calcification or tortuosity of the target vessel or extreme angulation that would interfere with the passage of the suction catheter;
• •14. the presence of an unprotected left main lesion (more than 50% narrowing of the lumen diameter);
• •15. the presence of severe triple coronary artery lesions requiring revascularization.