Medical and therapeutic ultrasonic machines and apparatus, namely, portable ultrasonic diathermy devices and equipment; ultrasonic therapy machines and apparatus used to increase strength and physical performance for health and medical purposes; ultrasonic devices and instruments for medical diagnostics and treatments, namely, surgical cauterization and drug delivery; ultrasonic devices, equipment and instruments for nerve regeneration, to relieve pain, treat muscle spasms and joints, repair soft tissues, treat inflammation, dermatological conditions, and wounds, and to increase local circulation; and structural and replacement parts, fittings and accessories for all the aforesaid products