Patent ID: 7860581

Claim:
An implantable lead for delivering electrical stimuli to a human heart, comprising a proximal end for connection to an implantable medical device, a distal end for fixation in the myocardium of a human heart, an insulating flexible tube extending from the proximal to the distal end, and a conductor arranged in said flexible tube and extending from the proximal to the distal end for conducting said electrical stimuli from the medical device to the heart and/or for conducting sensed intrinsic cardiac signals from the heart to the medical implant, said distal end comprising a fixation arrangement for said fixation of the distal end in the myocardium, a stimulating electrode for transmitting said electrical stimuli to the myocardium after implantation, and a mapping electrode for transmitting said electrical stimuli to the myocardium and/or for sensing intrinsic cardiac activity during implantation for finding a suitable fixation position in the myocardium, wherein said mapping electrode is electrically connected to said conductor during implantation, and said lead being configured to electrically disconnect the mapping electrode from the conductor.