US Patent 8660668 Lead fastener

Lead electrode assemblies for use with an implantable cardioverter-defibrillator subcutaneously implanted outside the ribcage between the third and twelfth ribs comprising the electrode. Example assemblies include appendages of various types for use during implantation including fins, pinholes, loops, tubes, openings and other means for attachment to an implant tool. Several embodiments include first and second faces on the electrodes such that a first face is configured to be implanted facing the ribcage of the patient and the second face has the appendage.