BOSTON, Mass. - July 27, 2016 - Today during the Society of NeuroInterventional Surgery's (SNIS) 13th Annual Meeting, SNIS President Donald Frei, MD, announced that the Penumbra 3D Trial successfully met the primary trial endpoints, demonstrating non-inferiority in safety and efficacy of Penumbra 3D Revascularization Device, when used with Penumbra System aspiration devices compared to Penumbra System aspiration devices alone.