The Safety and Efficacy of DIOR Balloon in Coronary Bifurcation Lesions

Exclusion criteria

• . Pregnant or lactating women
• . Any newly myocardial infarction onset within 1 week or, the myocardial enzyme of CK (Creatine Kinase) or CK-MB does not return to normal level after any myocardial infarction;
• . Cardiogenic shock;
• . Severe chronic heart failure, NYHA (New York Heart Association) ≥ grade III, or left ventricular ejection fraction \< 35% (accessed by echocardiography or left ventricular angiography)
• . Patients with renal insufficiency (estimated glomerular filtration rate \< 30ml/min/1.73m2 calculated by MRDR (Modification of Diet in Renal Disease) formula or subject is receiving renal dialysis)
• . Having a history of hemorrhagic diseases such as cerebral hemorrhage, gastrointestinal hemorrhage; stroke occurring or any situation occurring that may lead to prolongation of anticoagulation therapy within 6 months before operation;
• . History of coronary or peripheral vascular interventional therapy within 12 months before hospitalized.
• . Patients are allergic or contraindicate to contrast agent, paclitaxel, heparin, antiplatelet and anticoagulant drug;