Safety Study of Intracranial Support Catheter and Guide Catheter for Stent-Assisted Embolization in the Treatment of Intracranial Aneurysms

Exclusion Criteria

• •Inadequate antiplatelet therapy before surgery (more than 3 days);
• •Subject with atrial fibrillation, patent foramen ovale, atrial septal defect, ventricular septal defect, and other diseases causing cardiogenic embolism;
• •Inability to perform cranial MRI+DWI preoperatively and within 48 hours postoperatively;
• •Hypertension that does not respond well to medical treatment (systolic blood pressure\>185 mmHg and/or diastolic blood pressure\>110 mmHg);
• •Preoperative active bleeding or bleeding tendency (INR\>3);
• •Random blood glucose\<2.7mmol/L or \>22.2mmol/L;
• •Heart, lung, liver and kidney failure or other serious diseases (intracranial tumor, intracranial arteriovenous malformation, severe infection, DIC, previous myocardial infarction, history of severe psychosis, etc.);
• •Subject who will not cooperate or tolerate interventional operation;
• •Anticipated life expectancy\<1 year;
• •Allergy, resistance or contraindication to one or more of the following: contrast agents, anesthetics, antiplatelet drugs, anticoagulants;
• •Participated or participating in another drug or device clinical trial within 1 month prior to enrollment;
• •Pregnant or breast-feeding woman;
• •Other circumstances judged by researchers that are not suitable for enrollment;
• •Catheter could not pass through due to obvious intracranial vessel stenosis or tortuosity determined from imaging;
• •Multiple aneurysms and more than one aneurysm requiring treatment;
• •The aneurysm body has arterial branches.