Profile: Viasonix specialize in Doppler and Pneumatic technologies. We offer non-invasive volume blood flow device designed for neurosurgery, intra-operative blood flow system, trans-esophageal volume flow diagnosis, and D-Flex devices for Deep Vein Thrombosis (DVT) prevention. Our vascular physiologic diagnostic system features 10 independent color-coded pressure channels, 5 independent color-coded PPG sensors, 3 separate Doppler frequencies, and integrated skin temperature sensor.