Harry Robertshaw Han-Ru Wu Alejandro Granados Thomas C. Booth World Model for AI Autonomous Navigation in Mechanical Thrombectomy. 2025 September abs/2509.25518 CoRR https://doi.org/10.48550/arXiv.2509.25518 db/journals/corr/corr2509.html#abs-2509-25518 streams/journals/corr