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    • 4. 发明申请
    • RHYTHM DISCRIMINATION ENHANCEMENT - CHAMBER OF TACHY ORIGINATION
    • RHYTHM歧视改进 - TACHY ORIGINATION室
    • US20120035489A1
    • 2012-02-09
    • US13196469
    • 2011-08-02
    • Yanting DongDeepa MahajanDavid L. Perschbacher
    • Yanting DongDeepa MahajanDavid L. Perschbacher
    • A61B5/0464
    • A61B5/0464A61B5/4836A61B5/7264A61N1/3962
    • An apparatus comprises an implantable cardiac signal sensing circuit and a controller circuit. The implantable cardiac signal sensing circuit provides a sensed depolarization signal from a ventricle and a sensed depolarization signal from an atrium. The controller circuit includes an onset detection circuit and a classification circuit. The onset detection circuit detects an onset episode that includes fast cardiac depolarizations and identifies a depolarization that initiates the onset episode. The classification circuit classifies the onset episode as supra-ventricular tachycardia (SVT) when the initiating onset episode is identified in the atrium and the number of atrial depolarizations is greater than or equal to the number of ventricular depolarizations during the onset episode, and as ventricular tachycardia (VT) when the initiating onset depolarization is identified in the ventricle and the number of ventricular depolarizations is greater than the number of atrial depolarizations during the onset episode.
    • 一种装置包括可植入心脏信号感测电路和控制器电路。 可植入心脏信号感测电路提供来自心室的感测去极化信号和来自心房的感测去极化信号。 控制器电路包括起始检测电路和分类电路。 发作检测电路检测包括快速心脏去极化的发作发作,并识别启动发作发作的去极化。 分类电路将起始发作分类为室上性心动过速(SVT),当在心房中鉴定起始发作发作时,心房去极化数大于或等于发作发作期间心室去极化数,以及心室 在脑室中鉴定起始起始去极化并且心室去极化的数量大于发作期间心房去极化的数量时,心动过速(VT)。
    • 5. 发明授权
    • Rhythm discrimination enhancement—AV drive
    • 节奏辨别增强 - AV驱动
    • US08403830B2
    • 2013-03-26
    • US13196491
    • 2011-08-02
    • Deepa MahajanYanting DongDavid L. Perschbacher
    • Deepa MahajanYanting DongDavid L. Perschbacher
    • A61B1/00
    • A61N1/3621A61B5/0464A61N1/3622A61N1/3624A61N1/3704A61N1/3962
    • An apparatus comprises an implantable cardiac signal sensing circuit and a controller circuit. The implantable cardiac signal sensing circuit provides a sensed depolarization signal from a ventricle and a sensed depolarization signal from an atrium. The controller circuit includes a one-to-one detector circuit and a tachyarrhythmia discrimination circuit. The one-to-one detector circuit measures cardiac depolarization intervals of the atrium and the ventricle and determines whether a relationship of atrial depolarizations to ventricular depolarizations is substantially one-to-one. The tachyarrhythmia discrimination circuit increments a counter when detecting a shortening or prolonging of a V-V interval that immediately precedes the same shortening or prolonging of an A-A interval, classifies the episode as VT according to the counter, and provides the classification of the tachyarrhythmia episode to a user or process.
    • 一种装置包括可植入心脏信号感测电路和控制器电路。 可植入心脏信号感测电路提供来自心室的感测去极化信号和来自心房的感测去极化信号。 控制器电路包括一对一检测器电路和快速心律失常鉴别电路。 一对一检测器电路测量心房和心室的心脏去极化间隔,并确定心房去极化与心室去极化的关系是否基本上是一对一的。 快速性心律失常辨别电路在检测到在AA间隔的相同缩短或延长之前的VV间期的缩短或延长时增加计数器,根据计数器将发作分类为VT,并将快速性心律失常发作的分类提供给 用户或进程。
    • 6. 发明申请
    • ADAPTIVE DATA STORAGE AND DOWNLOAD IN A MEDICAL DEVICE
    • 医疗器械中的自适应数据存储和下载
    • US20110082377A1
    • 2011-04-07
    • US12887852
    • 2010-09-22
    • Deepa MahajanYanting DongDavid L. Perschbacher
    • Deepa MahajanYanting DongDavid L. Perschbacher
    • A61B5/024A61N1/365G06F12/00
    • A61N1/3702A61B5/0002A61B5/0205A61B5/04012A61B5/04325A61B5/7232A61N1/3621A61N1/37252A61N1/3962G06F19/00
    • In an example, a medical device includes a physiological data monitor (PDM), a memory, and a processor. The PDM is configured to monitor a physiological data parameter. The memory circuit is configured to store data collected by the PDM. The processor is configured to detect a data capture event and capture a first segment of physiological data associated with the data capture event. The processor is also configured to determine an amount of memory storage space available and determine a first priority level for the first segment of physiological data. The processor is further configured to determine a second priority level for a second segment of physiological data stored previously and select a processing scheme using the first and second priority levels. Finally, the processor is configured to process, using the processing scheme, the first and second segments of physiological data and store the first segment of physiological data.
    • 在一个示例中,医疗设备包括生理数据监视器(PDM),存储器和处理器。 PDM被配置为监视生理数据参数。 存储器电路被配置为存储由PDM收集的数据。 处理器被配置为检测数据捕获事件并捕获与数据捕获事件相关联的生理数据的第一段。 处理器还被配置为确定可用的存储器空间的量并且确定生理数据的第一段的第一优先级。 处理器还被配置为确定先前存储的生理数据的第二段的第二优先级,并且使用第一和第二优先级选择处理方案。 最后,处理器被配置为使用处理方案来处理生理数据的第一和第二段并存储生理数据的第一段。