Robot-Assisted Neurovascular Intervention

This study evaluates whether using a robotic assistance system makes brain blood vessel procedures — such as clot removal after stroke, or treatment of brain aneurysms — safer and more precise compared to traditional techniques. **You may be eligible if...** - You are scheduled for a brain blood vessel procedure such as a diagnostic angiogram, embolization for a brain tumor, or mechanical clot removal for stroke - You meet the same criteria as anyone eligible for a standard cerebral angiography procedure **You may NOT be eligible if...** - You had surgery within 4 weeks and haven't fully recovered - You are pregnant or breastfeeding - You have an allergy to contrast dye used in angiography - You have kidney failure or a recent heart attack (within 3 months) - You have severe blood vessel disease or uncontrolled bleeding risk - You are unable to cooperate with the procedure Talk to your doctor to see if this trial is right for you.