Medical devices for use in treating or diagnosing vascular abnormalities, namely, devices for endovascular occlusion of neurovascular and peripheral vascular structures; Medical devices for use in treating or diagnosing vascular disease, namely, microcatheters, guiding catheters and sheaths, removal rings, catheters, aspiration pumps, pump tubing and pump canisters; Medical devices for use in treating or diagnosing intracranial aneurysms, neurovascular abnormalities, or arterial and venous embolizations in the peripheral vasculature; Medical devices for use in treating or diagnosing by removing thrombus material from vessels; or with the use of peripheral, neurovascular coils, or embolic coils; Medical devices to treat intravascular sites; Medical devices, namely, intravascular implants comprised of artificial material; Medical devices, namely, minimally invasive neurovascular devices for the treatment of neurological conditions