A man who claims he received 47 unneeded jolts from his implanted defibrillator is suing Medtronic Inc. over defective wires used in the defibrillator.According to the Kansas City Star News report, "Medtronic Inc., maker of pacemakers and other heart devices, has acknowledged that wires connecting its implantable defibrillators to patient hearts break more often than it expected." The suit...