Medical devices and apparatus, namely, ultrasound imaging apparatus, scanners and needle guides, and parts and fittings therefor; Medical ultrasound apparatus; Ultrasound diagnostic apparatus; Ultrasound probe for medical use; Catheter based ultra-sound imaging probe; Medical apparatus and instruments, namely, Ultrasound based apparatus and systems comprised primarily of ultrasound probes, ultrasound transducers, and also including ultrasound consoles, ultrasound user interface hardware and s...