A Clinical Trial of Vascular Interventional Robotic System for Cerebral Angiography

Inclusion criteria

• Age between 18 and 75 years;
• Suspected vascular lesions in the head and neck, or other conditions involving head and neck vessels requiring whole-brain angiography for definitive diagnosis or to aid treatment decisions. Including but not limited to: intracranial aneurysms, arteriovenous malformations, cavernous malformations, arteriovenous fistulas, Moyamoya disease, Moyamoya syndrome, subarachnoid hemorrhage, symptomatic intracranial artery stenosis/occlusion, stenosis/occlusion of the carotid/subclavian/vertebral arteries, acute/ chronic subdural hematoma, etc;
• American Society of Anesthesiologists (ASA) physical status classification I-III (no severe cardiopulmonary dysfunction);
• Patients who voluntarily participate in this study and sign an informed consent form.

Exclusion criteria

• Patients who are to undergo surgery at the same time as cerebral angiography;
• Renal dysfunction (serum creatinine > 133 μmol/L or estimated glomerular filtration rate < 60 mL/min/1.73 m²);
• Patients with known allergy to iodinated contrast media;
• Coagulation disorders (prothrombin time >16s, activated partial thromboplastin time >45s, or platelet count <100×10⁹/L);
• Severe infection, skin ulceration, or vascular anatomical abnormalities at the puncture site (e.g., bilateral femoral artery occlusion);
• Pregnant or lactating women;
• Patients with severe cognitive impairment;
• Patients with psychiatric disorders;
• Patients unable to undergo head magnetic resonance imaging (MRI), e.g., those with metallic implants, claustrophobia, or other contraindications;
• Patients with other severe advanced or terminal illnesses;
• Patients currently participating in other clinical trials.