Newman Medical ultrasound probes have been designed to provide excellent sensitivity and durability to withstand everyday use. The DigiDop 8 MHz Vascular Probe is our general purpose vascular probe. The DigiDop 8MHz probe is optimized for peripheral vessels in vascular applications. The probe has been designed for comfort for both the provider and the patient. Made in the USA in Colorado. Each Newman Medical Doppler and probe must pass a series of comprehensive tests to assure quality and the durability of each product.