| 摘要 |
<p>A pacemaker system comprising an electrode lead (1) having a distal tip electrode (2) for supplying stimulation pulses to heart tissue and, proximal thereto, a ring electrode (6), said electrode lead (1) being attached to a heart stimulator, said heart stimulator comprising detecting means connected to said electrode lead (1) for detecting electrical heart activity by measurement between said tip electrode (2) and said ring electrode, wherein said electrode lead (1) comprises only said tip (2) and ring (6) electrodes, said ring electrode (6) being a sensor of at least one physical activity dependent function and said heart stimulator comprising means for applying a measuring parameter on said ring electrode (6) during a specified measuring period and means for measuring a measurement value through said ring electrode (6) during at least part of said period, said heart stimulator also comprising means for adjusting, dependent on said measured measurement value, a stimulation pulse parameter. <IMAGE></p> |
