Battery charger for use in a left ventricular assist system | Left ventricular assist system comprising a controller, an implantable blood pump, a battery charger, a backpack for housing the controller, battery and an emergency controller, an outer belt to hold the drive line close to the body, a surgical tunneler tool, and a pump sizer provided together as a unit; medical device, namely, electronic controllers for use in controlling left ventricular assist systems; an implantable blood pump for use in a left ventricular assist system; a backpack for use in a left ventricular assist system for housing the controller, battery and an emergency controller; an outer belt for medical purposes for use in a left ventricular assist system to hold the drive line close to the body; a surgical tunneler instrument for use in a left ventricular assist system; a pump sizer for use in a left ventricular assist system; left ventricular assist system comprising a controller, an implantable blood pump, a battery charger, a backpack for housing the controller, battery and an emergency controller, an outer belt to hold the drive line close to the body, a surgical tunneler tool, a pump sizer, a surgical coring device, and a surgical cuffholder, provided as a unit; surgical coring device for use in a left ventricular assist system; surgical cuffholder for use in a left ventricular assist system
