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METHOD FOR ADAPTING THE STIMULATION FREQUENCY OF A HEART PACE-MAKER TO PATIENT EFFORT

机译:一种使心脏起搏器的刺激频率适应患者需求的方法

摘要

PCT No. PCT/EP89/00108 Sec. 371 Date Aug. 6, 1990 Sec. 102(e) Date Aug. 6, 1990 PCT Filed Feb. 6, 1989 PCT Pub. No. WO89/06990 PCT Pub. Date Aug. 10, 1989.During optimization intervals prescribed by the heart pacemaker, the stimulation frequency is periodically changed and an acquisition of a measured value that is dependent on the cardiac minute output is respectively phase-synchronized with the change in stimulation frequency. An identification is thereby made whether the measured value that is dependent on the cardiac minute output changes given the change of the stimulation frequency. A number of curves are stored representing different relationships between a regulating variable, derived from the measured value, and the stimulation frequency. The stimulation frequency of the pacemaker is set based on one of these curves, as selected by an optimization controller to which the regulating variable is supplied. If the change in the measured valued as acquired during the optimization intervals indicates that the currently-selected curve is no longer accurate, the optimization controller selects another curve from among the stored curves which best represents the current relationship between the regulating variable and the stimulation frequency.
机译:PCT号PCT / EP89 / 00108秒371日期,1990年8月6日,秒102(e),1990年8月6日,PCT,1989年2月6日,PCT公开。 PCT公开号WO89 / 06990。 1989年8月10日,在心脏起搏器规定的最优化间隔内,周期性地改变刺激频率,并将依赖于心脏分钟输出的测量值的获取分别与刺激频率的变化进行相位同步。在此,在给定刺激频率的改变的情况下,识别取决于心脏分钟输出的测量值是否改变。存储了许多曲线,这些曲线表示从测量值得出的调节变量与刺激频率之间的不同关系。心脏起搏器的刺激频率是根据这些曲线之一设置的,该曲线由优化控制器选择,向该控制器提供调节变量。如果在优化间隔期间获取的测量值的变化表明当前选择的曲线不再精确,则优化控制器从存储的曲线中选择另一条曲线,该曲线最能代表调节变量和刺激频率之间的当前关系。

著录项

  • 公开/公告号EP0401265B1

    专利类型

  • 公开/公告日1994-05-11

    原文格式PDF

  • 申请/专利权人 SIEMENS AKTIENGESELLSCHAFT;SIEMENS ELEMA AB;

    申请/专利号EP19890902756

  • 发明设计人 HEINZE ROLAND;

    申请日1989-02-06

  • 分类号A61N1/365;

  • 国家 EP

  • 入库时间 2022-08-22 04:39:54

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