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    • 21. 发明申请
    • Devices and Methods for Steering Electrical Stimulation in Cardiac Rhythm Management
    • 心律管理转向电刺激的装置和方法
    • US20080319499A1
    • 2008-12-25
    • US12147317
    • 2008-06-26
    • Qingsheng ZhuDaniel Felipe Ortega
    • Qingsheng ZhuDaniel Felipe Ortega
    • A61N1/37A61N1/05
    • A61N1/37A61N1/3627
    • Tools and methods are particularly suited for certain cardiac conditions involving use of a catheter for pacing of the right and left ventricles from a lead in the right ventricle, e.g., to facilitate mechanically and/or electrically synchronous contractions for resynchronization. Certain aspects involve pacing and/or mapping by delivering pulses to a cardiac site useful for improving heart function as measured, e.g., by QRS width, fractionation, late LV activation timing, mechanical synchronicity of free wall and septal wall, effective throughput/pressure, or a combination thereof. In one embodiment, a catheter arrangement includes a fixation mechanism to attach the catheter arrangement to heart tissue, individually-addressable electrodes for providing pacing signals to the heart tissue, and an elongated structure that supports the fixation mechanism and the electrodes. The elongated structure is used to direct an end thereof to the target region in the right ventricle, and deliver an electrical pacing signal to different portions within the target region of the heart when the fixation mechanism is operative to attach to heart tissue and also when the fixation mechanism is not attaching the catheter arrangement to heart tissue.
    • 工具和方法特别适合于某些心脏状况,包括使用导管将右心室和左心室从右心室中的引线起搏,例如为了促进用于再同步的机械和/或电同步收缩。 某些方面涉及通过将脉搏递送到心脏位置,用于改善心脏功能,例如通过QRS宽度,分级,晚期LV激活时间,游离壁和间隔壁的机械同步性,有效吞吐量/压力, 或其组合。 在一个实施例中,导管装置包括用于将导管装置附接到心脏组织的固定机构,用于向心脏组织提供起搏信号的单独寻址电极,以及支撑固定机构和电极的细长结构。 细长结构用于将其末端引导到右心室中的目标区域,并且当固定机构可操作地附接到心脏组织时,以及当心脏组织的运动时,将电起搏信号递送到心脏的目标区域内的不同部分 固定机构不将导管装置附接到心脏组织。
    • 23. 发明申请
    • Apparatus and method for temporary treatment of acute heart failure decompensation
    • 临床治疗急性心力衰竭失代偿的装置及方法
    • US20080215104A1
    • 2008-09-04
    • US12151569
    • 2008-05-07
    • Joseph M. PastoreQingsheng Zhu
    • Joseph M. PastoreQingsheng Zhu
    • A61N1/00
    • A61N1/3627A61N1/368
    • A system for providing temporary therapy, such as cardiac resynchronization therapy, to a patient suffering a decompensation event. The system can include a device having an external module for generating electrical stimuli, a first lead coupled to the module and implanted into an atrial region of a patient's heart, and a second lead coupled to the module and implanted into a ventricular region of the patient's heart. The device can also include a storage module coupled to the external module to store data associated with physiological data measured by the device. The external module is configured to temporarily generate electrical stimuli that are delivered by at least one of the first and second leads to provide therapy cardiac resynchronization therapy to the heart. A network can be coupled to the device to allow data stored in the device to be downloaded through the network to a central repository.
    • 用于向患有失代偿事件的患者提供诸如心脏再同步治疗的临时治疗的系统。 该系统可以包括具有用于产生电刺激的外部模块的装置,耦合到模块并且植入患者心脏的心房区域中的第一引线,以及耦合到模块的第二引线,并且植入患者的心室区域 心。 该设备还可以包括耦合到外部模块的存储模块,以存储与由该设备测量的生理数据相关联的数据。 外部模块被配置为临时产生由第一和第二引线中的至少一个引出的电刺激,以向心脏提供治疗心脏再同步治疗。 网络可以耦合到设备,以允许存储在设备中的数据通过网络被下载到中央存储库。