Heart assist devices, namely, electrically actuated blood pumps; ventricular assist devices, namely, a device for improving native heart cardiac output; medical kits containing ventricular assist devices in the nature of a device for improving native heart cardiac output and replacement parts therefor; wireless medical apparatus, namely, blood pump system for use in advanced heart failure therapy also including specially adapted energy transfer apparatus in the nature of batteries, battery chargers, electric energy transmission and receiver coils, controllers, and patient electronic interfaces all sold as integral components of the blood pump system; tools and accessories, namely, surgical instruments for implantation of heart assist devices, pump controllers, batteries, and energy transmission coils; wearable medical accessories specially adapted for transportation of heart assist devices, namely, harnesses, carriers, bags, and holders