Penumbra Inc. – Innovative Vascular Medical Devices

American medical device company in Alameda, California, founded in 2004 and listed on the New York Stock Exchange, which makes devices for treating vascular disease. Develops and manufactures aspiration catheters and systems for removing blood clots in stroke and in venous, arterial and pulmonary thrombectomy, coils and embolic devices for aneurysms and vascular malformations, access catheters and guidewires and immersive virtual reality rehabilitation systems, selling to hospitals worldwide with clinical trials, training and support for interventional physicians.