Randolph E. Campbell

Xtent, Inc. is a medical devices manufacturing company. The company develops drug-eluting stent systems for the treatment of multi-vessel, multi-lesion coronary and peripheral vascular diseases. Xtent was founded in 2002 and is headquartered in Menlo Park, 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.

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