China's Voice: Domestic Neurointerventional Robotic System PANVIS STAR® Completes Validation of Five Major Neurointerventional Procedures in Preclinical Animal Study

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pleted for five major categories of procedures: cerebral angiography and establishment of therapeutic access, aneurysm coil embolization, flow diverter (FD) deployment, vertebral artery stenting, and carotid artery stenting. All procedures were successful, with no device-related complications or vascular injury. The entire process, from guidewire and catheter superselective navigation to implant deployment, was perfo

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ant technical complications or vascular damage. The mean procedural time of each procedure was as follows: Procedure Core steps completed by the robot Steps still performed manually Mean procedural time Diagnostic cerebral angiography Navigation of the 5F catheter and 0.035-inch guidewire from the femoral sheath to the target vessel, completing bilateral carotid and vertebral angiography Insertion of the arterial she

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e balloon-expandable stent to the vertebral artery, with the robot maintaining distal wire stabilization during balloon inflation, deflation and retrieval Loading of the stent and microguidewire into the Y valve; balloon inflation 13 min Carotid artery stenting (CAS) Delivery and retrieval of the cerebral protection device (Spider FX), navigation of the balloon and stent, and deployment of the self-expanding stent Lo

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of five surgically created aneurysms were allocated to coiling alone (n = 2), FD implantation (n = 2), and coiling + FD (n = 1). In addition, one right vertebral artery (V1 segment) and one right common carotid artery were utilized for vertebral artery balloon-expandable stent angioplasty and CAS, respectively. Since the objective was to validate technical feasibility rather than to simulate pathological stenosis, no

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