| 摘要 |
Atrial-ventricular coaxial transvenous pacing lead including an inner ventricular lead having an electrode and an outer atrial lead having an atrial sidearm lead, the atrial sidearm lead including a sigmoidal shape and an electrode at the distal end of the sidearm lead. Outwardly extending tines can surround either or both of the electrodes. The atrial sidearm lead maintains geometrical memory of the sigmoidal shape. The atrial sidearm head can be used absent the ventricular lead.
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