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Introduction Mechanical thrombectomy exposes operators and staff to levels of radiation that are typically mitigated by heavy lead aprons and conventional shielding. However, reliance on lead introduces substantial musculoskeletal strain and fatigue. The Rampart system is a lead-free shielding platform that provides full-body protection without the need for lead apron usage. While its safety and feasibility have been reported in interventional cardiology, no studies have evaluated its protection during mechanical thrombectomy stroke.Methods Radiation data was prospectively collected using 7 Geiger meters placed at predefined locations within the operating room, including the primary and secondary physicians, rotating nurse, and anesthesiologist. The control Geiger meter was located near the patient’s head to measure the maximum radiation levels. All recorded measurements were entered into a prospectively maintained database immediately following each procedure.Results Eight cases of mechanical thrombectomy were performed with the rampart system. The measured control radiation dose was 446.9 ± 201.8 mRem, with the physician dose of 0.21 ± 0.2 mRem indicating over a 99% reduction in radiation compared to the control badge. The average fluoroscopy time for these cases was 33.9 ± 20.6 minutes.Conclusion In this case series, Rampart technology was able to provide full-body radiation protection during mechanical thrombectomy while not disrupting workflow. While limited to a small series of cases, this report supports the feasibility of Rampart in emergent neurointerventional procedures.Disclosures K. Van Orden: None. J. Collard de Beaufort: None. J. Campos: 2; C; Rapid Medical. M. Arthur: None. B. Polis: None. J. Hamilton: None. D.A. Zarrin: None. F. Laghari: None. N. Beaty: 6; C; proctor for Medtronic Neurovascular, Stryker Neurovascular, and CMO of NeuroMedica. G. Colby: 2; C; Medtronic Neurovascular, MicroVention-Terumo, Rapid Medical, Cerenovus, and Stryker Neurovascular. A.L. Coon: 2; C; Medtronic Neurovascular, MicroVention-Terumo, Stryker Neurovascular, Cerenovus, Rapid Medical, Avail MedSystems, Imperative Care, Deinde, InNeuroCo, Q’apel. 6; C; proctor for MicroVention-Termo, Stryker Neurovascular, and Medtronic Neurovascular.Abstract O-045 Figure 1Simulation of the Rampart system in a neurointerventional suite (A) with live photos depicting the main shield and arm (B) as well as protective shield drapes (C). Images used with permission