Koven Technology, Inc. is the exclusive supplier of Koven/Hadeco Vascular Dopplers in the US. Koven is a woman owned, ISO 13485 certified company that provides the highest quality medical devices to address vascular and cardiovascular conditions. Koven has built a reputation as a leader in developing and delivering state of the art devices and are constantly working to improve existing products and develop new technology to better meet the needs of our customers.