COVAD

PERMANENT HEART ASSIST DEVICE UTILIZING INTRA ARTERIAL AIR PRESSURE TO ASSIST THE CIRCULATING ASSIST MACHINERY AND CONTROLS THEREFOR; PERCUTANEOUS ACCESS DEVICE CONSISTING OF A DISK IMPLANTABLE BENEATH THE SKIN AND A COLLAR PROTRUDING THROUGH THE SKIN AND A COLLAR PROTRUDING THROUGH THE SKIN FOR USE IN TRANSMITTING FLUID, AIR OR ELECTRICITY ACROSS EXTENDING THROUGH THE COLLAR AND ATTACHMENTS THEREFOR; AND IMPLANTED BLOOD PUMP AND ATTACHMENTS THEREFOR; AND AN EXTERNAL DRIVE UNIT SERVING AS A PUMP ACTUATOR AND CONTROLLER AND ATTACHMENTS THEREFOR