Arthrocare, 680 Vaqueros Ave, Sunnyvale, CA 94085, US

Varian Medical Systems, established in 1948, is one of the leaders in design and manufacture of medical equipment and software products to treat cancer and neurological conditions with radiation and radiotherapy. The products offered by the company include X-ray imaging components and subsystems, X-ray tubes and flat panel imaging products for scanning and digital image capture. Its division, Oncology Systems, designs, manufactures, sells, and services hardware and software products, including linear accelerators, treatment simulation and verification products, information management, and treatment planning software and accessories. The company markets its product to cancer treatment clinics, university research and community hospitals, private and governmental institutions, and healthcare agencies throughout the North America, Europe, Australia, Asia, and Latin America. Varian Medical Systems is headquartered in Palo Alto, Calif.