| 摘要 |
A body-implantable, intravascular lead affixed with a pin or pins at its proximal end adapted to be connected to a cardiac pacemaker pulse generator and with an electrode or electrodes at its distal end adapted to be securely and permanently attached to a body organ through endothelial tissue. An electrode in spiral shaped form of a rigid, electrically conductive helix with a sharp tip at the distal end of the lead is adapted to be screwed through endothelial tissue into the body organ by means of a rotational motion applied to the conductor at the proximal end of the lead.
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