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    • 5. 发明授权
    • System and method for verifying capture and/or event sensing during manual threshold evaluations of an implantable cardiac stimulation device
    • 用于在可植入心脏刺激装置的手动阈值评估期间验证捕获和/或事件感测的系统和方法
    • US07587243B1
    • 2009-09-08
    • US11430785
    • 2006-05-08
    • Xing Pei
    • Xing Pei
    • A61N1/362
    • A61N1/371A61B5/0006A61B5/04525A61N1/37247
    • A system verifies the occurrence of a cardiac event during a manual evaluation of a pacing and/or sensing parameter of an implantable cardiac stimulation device. The system comprises a template generator that generates an electrogram template standard characterizing the cardiac event, an event marker pattern generator that generates a marker pattern standard representing a desired sequence of cardiac events including the cardiac event, and a sensing circuit that senses cardiac activity to provide an evaluation electrogram signal responsive to evaluation of the pacing and/or sensing parameter. The template generator generates an evaluation electrogram and the event marker pattern generator generates an evaluation marker pattern from the evaluation electrogram signal. A cardiac event verifier verifies the occurrence of the cardiac event when the evaluation electrogram matches the electrogram template standard and the evaluation marker pattern matches the marker pattern standard.
    • 在手动评估可植入心脏刺激装置的起搏和/或感测参数期间,系统验证心脏事件的发生。 该系统包括生成表征心脏事件的电描记图模板标准的模板发生器,产生表示包括心脏事件的所需心脏事件序列的标记图案标准的事件标记图案生成器,以及感测心脏活动以提供心脏事件的感测电路 响应于对起搏和/或感测参数的评估的评估电描记图信号。 模板生成器生成评估电图,事件标记图案生成器从评估电描记信号生成评估标记图案。 当评估电描记图与电描记图模板标准匹配并且评估标记图案与标记图案标准匹配时,心脏事件验证器验证心脏事件的发生。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR DETECTING HIDDEN ATRIAL EVENTS FOR USE WITH AUTOMATIC MODE SWITCHING WITHIN AN IMPLANTABLE MEDICAL DEVICE
    • 用于在可移植医疗设备中使用自动模式切换检测隐藏事件的系统和方法
    • US20090281587A1
    • 2009-11-12
    • US12116450
    • 2008-05-07
    • Xing Pei
    • Xing Pei
    • A61N1/362
    • A61N1/3704A61B5/04525A61B5/046A61N1/3622A61N1/3688
    • Techniques are provided for detecting atrial events that might be hidden due to the operation of a post-ventricular atrial blanking (PVAB) interval or other atrial channel blanking interval. In one example, candidate atrial events are identified within signals occurring during the PVAB interval. Then, a determination is made as to whether the candidate atrial event is a true atrial event based on a comparison of characteristics of the candidate atrial event with characteristics of prior known atrial events within the patient. By comparing the characteristics of the “hidden” event with the characteristics of prior known atrial events within the patient, a quick and accurate determination can be made whether the event should be counted as a P-wave. In this manner, hidden atrial arrhythmias can be detected and mode switch oscillations can be reduced or eliminated.
    • 提供技术用于检测可能由于室后心房消隐(PVAB)间隔或其他心房通道消隐间隔的操作而被隐藏的心房事件。 在一个示例中,在PVAB间隔期间发生的信号内识别候选心房事件。 然后,基于候选心房事件的特征与患者内先前已知的心房事件的特征的比较,确定候选心房事件是否为真心房事件。 通过将“隐藏”事件的特征与患者以前已知的心房事件的特征进行比较,可以快速准确地确定事件是否应该被计为P波。 以这种方式,可以检测到隐藏的心房心律失常,并且可以减少或消除模式切换振荡。