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    • 7. 发明授权
    • Four-chamber pacing system for optimizing cardiac output and determining heart condition
    • 四心室起搏系统,用于优化心输出量并确定心脏状况
    • US06238420B1
    • 2001-05-29
    • US09564036
    • 2000-05-04
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • A61N1368
    • A61N1/36521A61N1/3622A61N1/3627A61N1/368A61N1/3682
    • A pacing system and method for providing multiple chamber pacing of a patient's heart, and in particular, pacing programmed for treatment of various forms of heart failure. The system utilizes impedance sensing for determining optimum pacing parameters, e.g., for pacing the left ventricle so that left heart output is maximized. The impedance sensing also is used for determination of arrhythmias or progression of heart failure. Impedance sensing is provided for between selected pairs of the four chambers, to enable optimizing of information for control and diagnosis. In a preferred embodiment of the invention, impedance measurements are obtained for determining the timing of right heart valve closure or right ventricular contractions, and the timing of delivery of left ventricular pace pulses is adjusted so as to optimally synchronize left ventricular pacing with the right ventricular contractions. Impedance sensing in the left heart also provides timing of mechanical contraction, and the pacemaker controls pacing to maintain bi-ventricular mechanical synchronization adjusted for maximum cardiac output.
    • 用于提供患者心脏的多个室起搏的起搏系统和方法,特别是针对治疗各种形式的心力衰竭的起搏。 系统利用阻抗感测来确定最佳起搏参数,例如用于起搏左心室,使得左心输出最大化。 阻抗检测也用于确定心律失常或心力衰竭进展。 在四个室的选定对之间提供阻抗感测,以实现用于控制和诊断的信息的优化。 在本发明的优选实施例中,获得用于确定右心瓣膜闭合或右心室收缩的时间的阻抗测量值,并且调节左心室起搏脉冲的传递时间,以便最佳地同步左心室起搏与右心室 收缩。 心脏中的阻抗传感还提供机械收缩的时机,并且起搏器控制起搏以维持双心室机械同步,以调节最大心输出量。
    • 8. 发明授权
    • Four-chamber pacing system for optimizing cardiac output and determining heart condition
    • 四心室起搏系统,用于优化心输出量并确定心脏状况
    • US06219579B1
    • 2001-04-17
    • US09493690
    • 2000-01-28
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • A61N1365
    • A61N1/36521A61N1/3622A61N1/3627A61N1/368A61N1/3682
    • A pacing system and method for providing multiple chamber pacing of a patient's heart, and in particular, pacing programmed for treatment of various forms of heart failure. The system utilizes impedance sensing for determining optimum pacing parameters, e.g., for pacing the left ventricle so that left heart output is maximized. The impedance sensing also is used for determination of arrhythmias or progression of heart failure. Impedance sensing is provided for between selected pairs of the four chambers, to enable optimizing of information for control and diagnosis. In a preferred embodiment, impedance measurements are obtained for determining the timing of right heart valve closure or right ventricular contractions, and the timing of delivery of left ventricular pace pulses is adjusted so as to optimally synchronize left ventricular pacing with the right ventricular contractions. Impedance sensing in the left heart also provides timing of mechanical contraction, and the pacemaker controls pacing to maintain bi-ventricular mechanical synchronization adjusted for maximum cardiac output.
    • 用于提供患者心脏的多个室起搏的起搏系统和方法,特别是针对治疗各种形式的心力衰竭的起搏。 系统利用阻抗感测来确定最佳起搏参数,例如用于起搏左心室,使得左心输出最大化。 阻抗检测也用于确定心律失常或心力衰竭进展。 在四个室的选定对之间提供阻抗感测,以实现用于控制和诊断的信息的优化。 在优选实施例中,获得用于确定右心瓣膜闭合或右心室收缩的时机的阻抗测量值,并且调节左心室起搏脉冲的传送时间,以便使左心室起搏与右心室收缩最佳地同步。 心脏中的阻抗传感还提供机械收缩的时机,并且起搏器控制起搏以维持双心室机械同步,以调节最大心输出量。
    • 9. 发明申请
    • PROGRAMMABLE WAVEFORM PULSES FOR AN IMPLANTABLE MEDICAL DEVICE
    • 可编程医疗器械的可编程波形脉冲
    • US20090259278A1
    • 2009-10-15
    • US12359958
    • 2009-01-26
    • Nathan A. TorgersonRobert LeindersMarc SteinTodd P. GoblishTodd D. HeathershawJohn Delfin Rodriguez
    • Nathan A. TorgersonRobert LeindersMarc SteinTodd P. GoblishTodd D. HeathershawJohn Delfin Rodriguez
    • A61N1/36
    • A61N1/36125
    • Apparatus and method provide flexibility in generating a stimulation waveform to an electrode of an Implantable Neuro Stimulator (INS). The stimulation waveform is synthesized for each rate period interval. Each rate period interval is partitioned into time intervals, during which stimulation pulses, recharging, and time duration delays may be induced. With the embodiment of the invention, a second stimulation pulse, having different electrical characteristics than a first stimulation pulse, may be generated during the rate period interval. An embodiment utilizes apparatus comprising a waveform controller and a waveform generator that are controlled by the waveform controller. The waveform controller uses waveform parameters to instruct the waveform generator to form stimulation pulses. Any of the components may be adjusted or deleted in the generation of the stimulation waveform. The embodiment enables any of the associated waveform parameters to be updated at the waveform controller in order to alter the stimulation waveform.
    • 装置和方法提供了向植入式神经刺激器(INS)的电极产生刺激波形的灵活性。 针对每个速率周期间隔合成刺激波形。 每个速率周期间隔被划分成时间间隔,在此时间间隔期间可以诱发刺激脉冲,再充电和持续时间延迟。 利用本发明的实施例,可以在速率周期间隔期间产生具有与第一刺激脉冲不同的电特性的第二刺激脉冲。 实施例利用由波形控制器控制的波形控制器和波形发生器的装置。 波形控制器使用波形参数来指示波形发生器形成刺激脉冲。 可以在产生刺激波形时调整或删除任何组件。 该实施例使得能够在波形控制器处更新相关联的波形参数,以便改变刺激波形。
    • 10. 发明授权
    • Four-chamber pacing system for optimizing cardiac output and determining heart condition
    • 四心室起搏系统,用于优化心输出量并确定心脏状况
    • US06754530B2
    • 2004-06-22
    • US09946495
    • 2001-09-06
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • Arnoldus BakelsRobert LeindersCobus de Roos
    • A61N1365
    • A61N1/36521A61N1/3622A61N1/3627A61N1/368A61N1/3682
    • A pacing system and method for providing multiple chamber pacing of a patient's heart, and in particular, pacing programmed for treatment of various forms of heart failure. The system utilizes impedance sensing for determining optimum pacing parameters, e.g., for pacing the left ventricle so that left heart output is maximized. The impedance sensing also is used for determination of arrhythmias or progression of heart failure. Impedance sensing is provided for between selected pairs of the four chambers, to enable optimizing of information for control and diagnosis. In a preferred embodiment of the invention, impedance measurements are obtained for determining the timing of right heart valve closure or right ventricular contractions, and the timing of delivery of left ventricular pace pulses is adjusted so as to optimally synchronize left ventricular pacing with the right ventricular contractions. Impedance sensing in the left heart also provides timing of mechanical contraction, and the pacemaker controls pacing to maintain bi-ventricular mechanical synchronization adjusted for maximum cardiac output.
    • 用于提供患者心脏的多个室起搏的起搏系统和方法,特别是针对治疗各种形式的心力衰竭的起搏。 系统利用阻抗感测来确定最佳起搏参数,例如用于起搏左心室,使得左心输出最大化。 阻抗检测也用于确定心律失常或心力衰竭进展。 在四个室的选定对之间提供阻抗感测,以实现用于控制和诊断的信息的优化。 在本发明的优选实施例中,获得用于确定右心瓣膜闭合或右心室收缩的时间的阻抗测量值,并且调节左心室起搏脉冲的传递时间,以便最佳地同步左心室起搏与右心室 收缩。 心脏中的阻抗传感还提供机械收缩的时机,并且起搏器控制起搏以维持双心室机械同步,以调节最大心输出量。