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    • 81. 发明申请
    • ENHANCEMENTS TO THE DETECTION OF PULMONARY EDEMA WHEN USING TRANSTHORACIC IMPEDANCE
    • 使用潮热阻力时检测脉搏电流的增强
    • US20110144526A1
    • 2011-06-16
    • US13033081
    • 2011-02-23
    • Jeffrey E. StahmannJohn HatlestadJesse W. Hartley
    • Jeffrey E. StahmannJohn HatlestadJesse W. Hartley
    • A61B5/053
    • A61B5/0537A61B5/0002A61B5/0538A61B5/4869A61B5/4878
    • This patent document discusses, among other things, systems, devices, and methods for enhancing detection of pulmonary edema using, in addition to thoracic impedance, one or a combination of: physiologic information about a subject, at least one statistical parameter, a user-programmable detection level, at least one parameter associated with a previous pulmonary edema event, and patient symptom information about the subject. In one example, a (base) thoracic impedance threshold is modified to an adjusted thoracic impedance threshold. The adjusted thoracic impedance threshold provides an increased sensitivity of pulmonary edema detection as compared to the base thoracic impedance threshold. In another example, an alert is provided to a subject, a caregiver, or other user based on a pulmonary edema indication determined by the present systems, devices, and methods. In a further example, a therapy (provided to the subject) is adjusted or initiated in response to the pulmonary edema indication.
    • 该专利文献尤其涉及用于增强肺水肿检测的系统,装置和方法,除胸部阻抗之外,还包括以下之一或组合:关于受试者的生理信息,至少一个统计参数, 可编程检测水平,与先前的肺水肿事件相关联的至少一个参数,以及关于受试者的患者症状信息。 在一个示例中,(基底)胸部阻抗阈值被修改为经调整的胸部阻抗阈值。 与基础胸廓阻抗阈值相比,经调整的胸廓阻抗阈值提供了肺水肿检测的灵敏度增加。 在另一示例中,基于由本系统,设备和方法确定的肺水肿指示,向受检者,照顾者或其他用户提供警报。 在另一个实例中,响应于肺水肿指示调整或启动治疗(提供给受试者)。
    • 85. 发明授权
    • Cardiac rhythm management system promoting a trial pacing
    • 心律管理系统促进心房起搏
    • US06353759B1
    • 2002-03-05
    • US09693402
    • 2000-10-20
    • Jesse W. HartleyAndrew P. KramerJeffrey E. StahmannDavid B. Krig
    • Jesse W. HartleyAndrew P. KramerJeffrey E. StahmannDavid B. Krig
    • A61N1362
    • A61N1/3621A61N1/3627A61N1/3682A61N1/395A61N1/3962A61N1/3987
    • A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that controls the timing of delivery of atrial pacing pulses. The atrial pacing pulses are delivered at an APP-indicated pacing rate that is typically at a small amount above the intrinsic atrial heart rate. For sensed beats, the APP indicated rate is increased until it becomes slightly faster than the intrinsic atrial heart rate. The APP-indicated pacing rate is then gradually decreased to search for the underlying intrinsic atrial heart rate. Then, after a sensed atrial beat, the APP filter again increases the pacing rate until it becomes faster than the intrinsic atrial rate by a small amount. As a result, most atrial heart beats are paced, rather than sensed. This decreases the likelihood of the occurrence of an atrial tachyarrhythima, such as atrial fibrillation. The decreased likelihood of atrial tachyarrhythmia, in turn, decreases the likelihood of inducing a ventricular arrhythmia, either as a result of the atrial tachyarrhythmia, or as the result of delivering a defibrillation shock to treat the atrial tachyarrhythmia.
    • 心律管理系统包括用于促进心房起搏的心房起搏偏好(APP)滤波器。 APP滤波器包括无限脉冲响应(IIR)或其他滤波器,其控制心房起搏脉冲的递送时间。 心房起搏脉冲以APP指示的起搏速率递送,其通常在固有心房心率以上的小量起搏。 对于检测到的心跳,APP指示的速率增加,直到其变得比内在的心房心率稍快。 然后APP指示的起搏率逐渐降低,以寻找潜在的固有心房心率。 然后,在感觉到的心房搏动之后,APP滤波器再次增加起搏速率,直到其变得比固有心房率小得多。 因此,大多数心房心脏跳动起搏,而不是感觉到。 这降低了房性快速性心律失常发生的可能性,例如房颤。 房性心律失常的可能性降低反过来也降低了引起室性心律失常的可能性,由于房性快速性心律失常,或作为递送除颤休克以治疗房性快速性心律失常的结果。
    • 86. 发明授权
    • Cardiac rhythm management system promoting atrial pacing
    • 心律管理系统促进心房起搏
    • US06351669B1
    • 2002-02-26
    • US09316682
    • 1999-05-21
    • Jesse W. HartleyAndrew P. KramerJeffrey E. StahmannDavid B. Krig
    • Jesse W. HartleyAndrew P. KramerJeffrey E. StahmannDavid B. Krig
    • A61N118
    • A61N1/3621A61N1/3627A61N1/3682A61N1/395A61N1/3962A61N1/3987
    • A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that controls the timing of delivery of atrial pacing pulses. The atrial pacing pulses are delivered at an APP-indicated pacing rate that is typically at a small amount above the intrinsic atrial heart rate. For sensed beats, the APP indicated rate is increased until it becomes slightly faster than the intrinsic atrial heart rate. The APP-indicated pacing rate is then gradually decreased to search for the underlying intrinsic atrial heart rate. Then, after a sensed atrial beat, the APP filter again increases the pacing rate until it becomes faster than the intrinsic atrial rate by a small amount. As a result, most atrial heart beats are paced, rather than sensed. This decreases the likelihood of the occurrence of an atrial tachyarrhythmia, such as atrial fibrillation. The decreased likelihood of atrial tachyarrhythmia, in turn, decreases the likelihood of inducing a ventricular arrhythmia, either as a result of the atrial tachyarrhythmia, or as the result of delivering a defibrillation shock to treat the atrial tachyarrhythmia.
    • 心律管理系统包括用于促进心房起搏的心房起搏偏好(APP)滤波器。 APP滤波器包括无限脉冲响应(IIR)或其他滤波器,其控制心房起搏脉冲的递送时间。 心房起搏脉冲以APP指示的起搏速率递送,其通常在固有心房心率以上的小量起搏。 对于检测到的心跳,APP指示的速率增加,直到其变得比内在的心房心率稍快。 然后APP指示的起搏率逐渐降低,以寻找潜在的固有心房心率。 然后,在感觉到的心房搏动之后,APP滤波器再次增加起搏速率,直到其变得比固有心房率小得多。 因此,大多数心房心脏跳动起搏,而不是感觉到。 这降低了房性心律失常发生的可能性,例如房颤。 房性心律失常的可能性降低反过来也降低了引起室性心律失常的可能性,由于房性快速性心律失常,或作为递送除颤休克以治疗房性快速性心律失常的结果。
    • 87. 发明授权
    • Multi-sensor blending in a rate responsive cardiac pacemaker
    • 多速传感器混合在速率响应心脏起搏器中
    • US5376106A
    • 1994-12-27
    • US136892
    • 1993-10-18
    • Jeffrey E. StahmannJesse W. Hartley
    • Jeffrey E. StahmannJesse W. Hartley
    • A61N1/365
    • A61N1/36585
    • A multi-sensor blending circuit for use in a rate responsive cardiac pacemaker. The blending logic circuit blends delta pacing rate signals from two or more sensors which measure physical and physiological parameters of a patient. Programmable equations stored in the blending logic circuit determine which percentages or a ratio of the delta pacing rate sensor signals comprise a single delta pacing rate signal as a function of the delta pacing rate. This delta pacing rate signal is provided to the pacing control circuitry of a pacemaker. The blending ratios are dynamically determined based on the pacing rate established at the most recent cardiac cycle. The blending equations are comprised of several programmable variables, wherein the equations can be programmed by the external programmer in view of clinical data.
    • 用于速率响应心脏起搏器的多传感器混合电路。 混合逻辑电路混合来自测量患者的物理和生理参数的两个或更多个传感器的三角波起搏速率信号。 存储在混合逻辑电路中的可编程方程式确定哪个百分比或三角波起搏速率传感器信号的比例包括作为三角波起搏速率的函数的单个增量起搏速率信号。 该三角波形起搏速率信号被提供给起搏器的起搏控制电路。 基于最近心动周期建立的起搏速率动态地确定混合比。 混合方程由几个可编程变量组成,其中可以根据临床数据由外部程序员编程方程式。