Method and apparatus for controlling cardiac therapy using ultrasound transducer
    4.
    发明授权
    Method and apparatus for controlling cardiac therapy using ultrasound transducer 有权
    使用超声波换能器控制心脏治疗的方法和装置

    公开(公告)号:US07914452B2

    公开(公告)日:2011-03-29

    申请号:US11539939

    申请日:2006-10-10

    IPC分类号: A61B8/00 A61N1/08

    CPC分类号: A61N1/3627 A61N1/36528

    摘要: A cardiac rhythm management (CRM) system provides for post-myocardial infarction (MI) therapy with closed-loop control using one or more ultrasound transducers sensing one or more ultrasound signals indicative of cardiac dimensions. Cardiac size parameters are produced using the one or more ultrasound signals to represent, for example, cardiac chamber diameter, cardiac chamber volume, cardiac wall thickness, infarct size, and degree of change in any of these parameters over time or between measurements. In various embodiments, such cardiac size parameters provide for titration, safety check, and acute optimization of the post-MI therapy.

    摘要翻译: 心律控制(CRM)系统通过使用一个或多个超声换能器感测一个或多个指示心脏尺寸的超声信号,通过闭环控制提供心肌梗死后心肌梗死(MI)治疗。 使用一个或多个超声信号产生心脏尺寸参数,以表示例如心脏室直径,心室容积,心壁厚度,梗塞面积以及随时间或测量之间的任何这些参数的变化程度。 在各种实施方案中,这种心脏尺寸参数提供滴定,安全性检查和MI后治疗的急性优化。

    METHOD AND APPARATUS FOR CONTROLLING CARDIAC THERAPY USING ULTRASOUND TRANSDUCER
    6.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING CARDIAC THERAPY USING ULTRASOUND TRANSDUCER 有权
    使用超声波传感器控制心脏治疗的方法和装置

    公开(公告)号:US20080086036A1

    公开(公告)日:2008-04-10

    申请号:US11539939

    申请日:2006-10-10

    IPC分类号: A61N1/08

    CPC分类号: A61N1/3627 A61N1/36528

    摘要: A cardiac rhythm management (CRM) system provides for post-myocardial infarction (MI) therapy with closed-loop control using one or more ultrasound transducers sensing one or more ultrasound signals indicative of cardiac dimensions. Cardiac size parameters are produced using the one or more ultrasound signals to represent, for example, cardiac chamber diameter, cardiac chamber volume, cardiac wall thickness, infarct size, and degree of change in any of these parameters over time or between measurements. In various embodiments, such cardiac size parameters provide for titration, safety check, and acute optimization of the post-MI therapy.

    摘要翻译: 心律控制(CRM)系统通过使用一个或多个超声换能器感测一个或多个指示心脏尺寸的超声信号,通过闭环控制提供心肌梗死后心肌梗死(MI)治疗。 使用一个或多个超声信号产生心脏尺寸参数,以表示例如心脏室直径,心室容积,心壁厚度,梗塞面积以及随时间或测量之间的任何这些参数的变化程度。 在各种实施方案中,这种心脏尺寸参数提供滴定,安全性检查和MI后治疗的急性优化。

    Therapy control based on the rate of change of intracardiac impedance
    10.
    发明授权
    Therapy control based on the rate of change of intracardiac impedance 有权
    基于心内阻抗变化率的治疗控制

    公开(公告)号:US07953485B2

    公开(公告)日:2011-05-31

    申请号:US12105219

    申请日:2008-04-17

    IPC分类号: A61N1/362

    CPC分类号: A61N1/36521 A61N1/30

    摘要: A system comprising a medical device that includes an impedance measurement circuit adapted to be coupled to implantable electrodes to obtain an intracardiac impedance signal between electrodes, a therapy circuit operable to deliver a therapy to a subject, and a controller circuit coupled to the impedance measurement circuit and the therapy circuit. The controller circuit determines a time rate of change of the intracardiac impedance signal and adjusts at least one parameter related to therapy in a manner that alters the rate of change.

    摘要翻译: 一种包括医疗装置的系统,该医疗装置包括阻抗测量电路,该阻抗测量电路适于耦合到可植入电极以获得电极之间的心内阻抗信号,可操作以将治疗递送给受试者的治疗电路,以及耦合到所述阻抗测量电路 和治疗电路。 控制器电路确定心内阻抗信号的时间变化率,并且以改变变化率的方式调节与治疗相关的至少一个参数。