Penumbra Inc develops and manufactures medical devices for the neurovascular and peripheral vascular markets. Its products are sold to hospitals and are developed for use by specialist physicians. Within the neurovascular business, the firm offers products for neurovascular access, ischemic stroke, neurovascular embolization, and neurosurgical tool markets. In the peripheral vascular business, the firm sells devices related to peripheral embolization and peripheral thrombectomy. It operates as one reportable segment and its business activity consists of the design, development, manufacturing and marketing of inventive medical products.