Medical devices, namely, ultrasound apparatus for medical purposes; Medical ultrasound apparatus for nonsurgical treatments, namely, treatment of ischemia and peripheral arterial disease; Wearable therapeutic ultrasound device for treatment of ischemia and peripheral arterial disease; Medical ultrasound device and systems comprised of ultrasound devices, ultrasound transducers, power generators, sensors, and downloadable graphical user interface software to provide medical information from th...