Michael Welch

Perclose, based in Menlo Park, Calif., designs, manufactures and markets less invasive medical devices that automate the surgical closure or connection of blood vessels.

Ardian, Inc. manufactures the symplicity catheter systems. It is a medical device company that develops and researches catheter-based treatment for diseases such as hypertension, chronic kidney diseases, metabolic syndrome and heart failure. The company was founded by Denise Demarais Zarins, Allan R. Will, Henry A. Plain Jr., Howard R. Levin and Mark Gelfand in 2003 and is headquartered in Mountain View, CA.

Emphasys Medical, Inc., a medical technology company, focuses on developing and commercializing minimally invasive therapeutic devices for the treatment of patients with emphysema and other breathing disorders. It offers Zephyr Endobronchial Valve system, which is designed to block air from passing through the opening in the lung and into the chest cavity, resulting in the reduction or elimination of airflow through the leak to allow the tissue to heal. The company offers its products through distributors and dealers in Europe, Australia, Hong Kong, and Singapore. Emphasys Medical was founded in 2000 and is based in Redwood City, CA. Emphasys Medical, Inc. operates as a subsidiary of Pulmonx Corp.

Relievant Medsystems, Inc. develops treatment and technologies for chronic back pain. Its Intracept System solution is a minimally invasive procedure that uses radiofrequency energy delivered into the vertebral body of the spine to ablate the basivertebral nerve. Relievant Medsystems was founded by James C. Peacock, Jeffrey Charles Lotz, and Rex Peters in 2004 and is headquartered in Redwood City, CA.