Penumbra, Inc. develops and manufactures medical devices, including thrombectomy systems, coiling systems, and access systems for neurovascular treatments. The company also provides aspiration tools for tissue and fluid removal, detachable embolic coil systems, microcatheters for the delivery of occlusion devices, immersive computer-based technologies, and complementary devices for use with Ruby Coil and POD. Penumbra sells its products through direct sales organizations and distributors and is headquartered in Alameda, California.