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    • 4. 发明申请
    • STIMULUS REGIMENS FOR CARDIOVASCULAR REFLEX CONTROL
    • 用于心脏反射控制的刺激方案
    • US20070049989A1
    • 2007-03-01
    • US11552005
    • 2006-10-23
    • Martin RossingRobert KievalDavid SerdarBruce Persson
    • Martin RossingRobert KievalDavid SerdarBruce Persson
    • A61N1/00
    • A61N1/36114A61N1/0551A61N1/0558A61N1/36007A61N1/36117A61N1/3627A61N1/36514
    • Baroreflex activation is achieved by providing suitable control signals to a baroreflex activation device. A method comprises establishing a therapy interval (possibly on the order of minutes to hours, or possibly of indefinite duration), within the therapy interval, establishing a plurality of dose intervals, and generating an electrical output signal. The electrical output signal has a time dependence such that the average electrical power applied to the baroreflex activation device differs between first and second portions of at least some dose intervals. Another method comprises establishing a series of therapy interval portions, during at least some therapy intervals, establishing a plurality of burst intervals (perhaps having durations commensurate with an interval between heartbeats), and generating an electrical output signal. The electrical output signal has a time dependence such that the average electrical power applied to the baroreflex activation device differs between first and second portions of the therapy intervals and also differs between first and second portions of at least some burst intervals.
    • 通过向压力反射激活装置提供合适的控制信号来实现巴罗反射激活。 一种方法包括在治疗间隔内建立治疗间隔(可能在数分钟到数小时,或者可能是不确定的持续时间),建立多个剂量间隔,以及产生电输出信号。 电输出信号具有时间依赖性,使得施加到压力反射激活装置的平均电功率在至少一些剂量间隔的第一和第二部分之间不同。 另一种方法包括在至少一些治疗间隔期间建立一系列治疗间隔部分,建立多个突发间隔(可能具有与心跳之间的间隔相当的持续时间),以及产生电输出信号。 电输出信号具有时间依赖性,使得施加到压力反射激活装置的平均电功率在治疗间隔的第一和第二部分之间不同,并且在至少一些突发间隔的第一和第二部分之间也不同。
    • 9. 发明授权
    • Cardiac assist device using field controlled fluid
    • 使用现场控制流体的心脏辅助装置
    • US06251061B1
    • 2001-06-26
    • US09149941
    • 1998-09-09
    • Roger N. HastingsBruce PerssonDnyanesh TalpadeDaniel M. LaFontaine
    • Roger N. HastingsBruce PerssonDnyanesh TalpadeDaniel M. LaFontaine
    • A61F202
    • A61M1/1055A61M1/1068A61M1/1086A61M1/12A61M2205/33A61M2205/3303
    • A cardiac assist device and method of use for assisting the function of a heart. The assist device includes a compressor positioned against the epicardial wall of the heart and a field generator for driving a fluid coupled to the compressor to exert pressure on the heart. The field generator may be a magnetic field generator and the fluid coupled to the compressor may be a ferrofluid. The compressor may include two containment regions containing ferrofluid on opposite sides of the heart, and a pair of compression portions coupled to the containment regions. The filled generator may be electromagnetic which includes two electromagnets having corresponding core portions and corresponding coils. The electromagnets may be disposed with their north and south poles in alignment and separated by a gap to allow relative movement. The electromagnets may be external or internal to the body.
    • 一种用于辅助心脏功能的心脏辅助装置和方法。 所述辅助装置包括抵靠心脏心外壁的压缩机和用于驱动与压缩机相连的流体以对心脏施加压力的场发生器。 场发生器可以是磁场发生器,并且耦合到压缩机的流体可以是铁磁流体。 压缩机可以包括在心脏的相对侧上包含铁磁流体的两个容纳区域和耦合到容纳区域的一对压缩部分。 填充发电机可以是电磁的,其包括具有对应的芯部分和相应线圈的两个电磁体。 电磁铁可以配置成使它们的北极和南极对齐并且被间隙分开以允许相对运动。 电磁铁可以是外部的或内部的。