| 摘要 |
<p>A cardiac lead (210) for transmitting electric current to the heart and/or sensing and monitoring electrical activity of the heart has an elongated electrical conductor (217) connected to a head (214). An electrode (212) mounted on the head (214) comprises a helical wire (212) adapted to be turned into heart tissue. A second electrode (228) having an irregular or non-flat surface may be a wire mesh (116), a segmented plate (229, 231) and an annular plate (829) supporting one or more coiled wires (831).</p> |
