Steven Bolling

Part of Medtronic Plc, Arterial Vascular Engineering, Inc. is a company that makes a variety of stent systems and balloon angioplasty catheters. The company is based in Santa Rosa, CA. The company was founded by Simon H. Stertzer. Arterial Vascular Engineering was acquired by Medtronic, Inc., part of Medtronic Plc from January 27, 2015 on January 28, 1999 for $3,441.52 million.

Direct Flow Medical, Inc. develops transcatheter heart valve technologies. It explores application of its technology beyond the aortic valve, to the mitral valve, and other valve anatomy. The firm’s Transcatheter Aortic Valve System is indicated for the treatment of patients with severe aortic stenosis, who are at risk for surgical aortic valve replacement. The company's system incorporates a polymer frame, which is expanded using pressurized saline and contrast for placement, assessment and repositioning. Direct Flow Medical was founded by Gordon B. Bishop and Randall T. Lashinski in June 2004 and is headquartered in Santa Rosa, CA.