The fully integrated Penumbra System is suitable for mechanical thrombectomy by suction. It is indicated for revascularization of patients with acute ischemic stroke secondary to intracranial vascular occlusion. The Penumbra system consists of Penumbra ACE and MAX reperfusion catheters, high-flow suction tubes, 3D revascularization equipment, Penumbra Pump MAX suction source, and Penumbra MAX canisters.