Electrotherapy stimulation devices comprising electrical nerve and muscle stimulators for rehabilitative and pain management purposes, and parts and fittings therefor; medical ultrasound therapy devices, and parts and fittings therefor; continuous active motion devices for rehabilitation of the hip, knee, and shoulder joints; continuous passive motion devices; therapeutic cold therapy units, namely, cold therapy packs and pads; cooling apparatus used for medical and therapeutic equipment used during medical and therapeutic procedures; compression therapy units, and parts and fittings therefor for reducing pain, swelling and inflammation; therapeutic heat therapy units, namely, heat therapy packs and pads; heating apparatus used for medical and therapeutic equipment used during medical and therapeutic procedures; traction apparatus for medical use; patient treatment tables; invalid patient lifts; patient slings for medical use; supports for head, neck, and limbs for medical use; orthopedic supports; physical exercise devices for medical and therapeutic purposes; measurement devices for medical use, namely, dynamometers for evaluating muscle strength for diagnostic and therapeutic purposes, calipers for measuring body fat, and goniometers for measuring anatomical angles for diagnostic and therapeutic purposes