Compare the Effectiveness and Safety of Two Different Kinds of Cutting Balloon in Coronary Artery Disease

Exclusion Criteria

• •1. Evidence of ongoing acute myocardial infarction within a week.
• •2. Chronic total occlusion (TIMI 0), left main lesion, intervention-required three-vessel lesions, and bypass lesion.
• •3. Severe calcification and Target lesion in a severe angulation (\> 45 degrees).
• •4. Patient has serious heart failure symptoms (NYHA level III or IV), or Left ventricular ejection fraction (LVEF) \<40%.
• •5. Patient with renal dysfunction, as Cr\>176.82umol/L or Cr \>2.0 mg/dl.
• •6. Patient with active gastrointestinal bleeding history, any other evidence based bleeding, such as suspected liver failure disease, suffered from cerebral bleeding history, stroke during the last 6 months, with contra-indication of anti-platelet or anti-coagulation.
• •7. Patients with allergies to heparin and contrast media.
• •8. Target lesion demonstrating severe dissection prior to planned deployment of the trial device.
• •9. Visible thrombus at the target lesion.
• •10. Patients received heart transplantation.
• •11. Participation in another clinical trial (12 months after index procedure).
• •12. Those who participated in another clinical trials, but did not reach the primary endpoint.