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    • 11. 发明授权
    • Systems and methods for monitoring DP, IVRT, DiFT, diastolic function and/or HF
    • 用于监测DP,IVRT,DiFT,舒张功能和/或HF的系统和方法
    • US08428698B2
    • 2013-04-23
    • US12474275
    • 2009-05-29
    • Allen J. KeelBrian Jeffrey WenzelEdward KarstWenbo HouTaraneh Ghaffari Farazi
    • Allen J. KeelBrian Jeffrey WenzelEdward KarstWenbo HouTaraneh Ghaffari Farazi
    • A61B5/04A61N1/00
    • A61B5/0402A61B5/02416A61B5/6846
    • Implantable systems, and methods for use therewith, are provided for monitoring a patient's diastolic function and/or heart failure (HF) condition. A signal indicative of changes in arterial blood volume and a signal indicative of electrical activity of the patient's heart are obtained. Beginnings of diastolic periods can be detected based on a feature of the signal indicative of changes in arterial blood volume. Ends of the diastolic periods can be detected based on a feature of the signal indicative of electrical activity of the patient's heart, or on the signal indicative of changes in arterial blood volume. Diastolic periods (DPs), isovolumic relaxation times (IVRTs) and/or diastolic filling times (DiFTs) can be estimated based on the detected beginnings of the diastolic periods and detected ends of the diastolic periods. The patient's diastolic function and/or HF condition (and/or changes therein) can be monitored based on the estimates of DP, IVRT and/or DiFT.
    • 提供了可植入系统及其使用方法,用于监测患者的舒张功能和/或心力衰竭(HF)状况。 获得指示动脉血容量变化的信号和表示患者心脏的电活动的信号。 可以基于指示动脉血容量变化的信号的特征来检测舒张期的开始。 可以基于指示患者心脏的电活动的信号的特征或指示动脉血容量变化的信号来检测舒张期的结束。 舒张期(DPs),等容舒张时间(IVRT)和/或舒张期充盈时间(DiFT)可以基于检测到的舒张期的开始和舒张期的检测结束来估计。 可以基于DP,IVRT和/或DiFT的估计来监测患者的舒张功能和/或HF状态(和/或其中的变化)。
    • 12. 发明申请
    • DEVICES, SYSTEMS AND METHODS TO MONITOR AND TREAT HEART FAILURE (HF)
    • 监测和治疗心脏衰竭(HF)的装置,系统和方法
    • US20130030315A1
    • 2013-01-31
    • US13194700
    • 2011-07-29
    • Allen J. KeelKyungmoo RyuStuart Rosenburg
    • Allen J. KeelKyungmoo RyuStuart Rosenburg
    • A61N1/368A61B5/0452
    • A61B5/0422A61B5/0452A61B5/0456A61B5/0464A61N1/3627A61N1/3684A61N1/3686
    • Described herein are implantable systems and devices, and methods for use therewith, that can be used to monitor and treat heart failure (HF). Such implantable systems preferably includes a lead having at least two electrodes implantable in a patient's left ventricular (LV) chamber. A plurality of different sensing vectors are used to obtain a plurality of IEGMs each of which is indicative of an evoked response at a corresponding different region of the LV chamber. For each of the IEGMs, there is a determination of one or more evoked response metrics indicative of a localized cardiac function at the corresponding region of the LV chamber. The evoke response metrics can be, e.g., paced depolarization integral (PDI) and/or maximum upward slope of an R-wave, but are not limited thereto. The patient's HF condition is monitored based on the localized cardiac function at the plurality of different regions of the LV chamber as determined based on the one or more evoked response metrics determined for each of the IEGMs.
    • 本文描述了可用于监测和治疗心力衰竭(HF)的可植入系统和装置及其使用的方法。 这种可植入系统优选地包括具有可植入患者左心室(LV)腔室中的至少两个电极的引线。 使用多个不同的感测向量来获得多个IEGM,每个IEGM指示LV室的相应不同区域处的诱发反应。 对于每个IEGM,存在一个或多个诱发响应度量的确定,所述诱发响应度量指示LV室的相应区域处的局部心脏功能。 唤醒响应度量可以是例如R波的步调去极化积分(PDI)和/或最大上升斜率,但不限于此。 基于根据为每个IEGM确定的一个或多个诱发响应度量确定的,基于LV室的多个不同区域处的局部心脏功能来监测患者的HF状况。
    • 14. 发明授权
    • Devices, systems and methods to perform arrhythmia discrimination based on R-R interval stability corresponding to a plurality of ventricular regions
    • 基于对应于多个心室区域的R-R间期稳定性执行心律失常鉴别的装置,系统和方法
    • US09002453B2
    • 2015-04-07
    • US13194732
    • 2011-07-29
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • A61N1/00A61B5/04A61B5/042A61B5/0452A61B5/0464A61N1/362A61N1/368A61B5/0456
    • A61B5/0422A61B5/0452A61B5/0456A61B5/0464A61N1/3627A61N1/3684A61N1/3686
    • Described herein are implantable systems and devices, and methods for use therewith, that can be used to perform arrhythmia discrimination. A plurality of different sensing vectors are used to obtain a plurality of different IEGMs, each of which is indicative of cardiac electrical activity at a different ventricular region. The plurality of different IEGMs can include, e.g., an IEGM indicative of cardiac electrical activity at a first region of the patient's left ventricular (LV) chamber and an IEGM indicative of cardiac electrical activity at a second region of the patient's LV chamber. Additionally, the plurality of different IEGMs can further include an IEGM indicative of cardiac electrical activity at a region of a patient's right ventricular (RV) chamber. For each of the IEGMs, there is a determination of a corresponding localized R-R interval stability metric indicative of the R-R interval stability at the corresponding ventricular region. This can include, e.g., determining, for each of the IEGMs, a plurality of R-R intervals corresponding to a plurality of consecutive cardiac cycles of the IEGM. For each IEGM, a measure of variation (e.g., standard deviation, range or variance, but not limited thereto) can then be determined for the plurality of R-R intervals to thereby determine the localized R-R interval stability metric for the IEGM. Arrhythmia discrimination is then performed using the plurality of determined localized R-R interval stability metrics.
    • 本文描述了可用于执行心律失常鉴别的可植入系统和装置及其使用方法。 使用多个不同的感测向量来获得多个不同的IEGM,每个IEGM指示在不同心室区域处的心脏电活动。 多个不同的IEGM可以包括例如指示患者左心室(LV)室的第一区域处的心脏电活动的IEGM和指示患者LV室的第二区域处的心脏电活动的IEGM。 另外,多个不同的IEGM还可以包括指示患者右心室(RV)室的区域处的心脏电活动的IEGM。 对于每个IEGM,存在确定相应的局部R-R间期稳定性度量,其指示相应心室区域处的R-R间期稳定性。 这可以包括例如为每个IEGM确定对应于IEGM的多个连续心脏周期的多个R-R间隔。 对于每个IEGM,然后可以为多个R-R间隔确定变化量(例如,标准偏差,范围或方差,但不限于此),从而确定IEGM的局部R-R间隔稳定性度量。 然后使用多个确定的局部R-R间期稳定性度量进行心律失常鉴别。
    • 15. 发明申请
    • DEVICES, SYSTEMS AND METHODS TO PERFORM ARRHYTHMIA DISCRIMINATION BASED ON R-R INTERVAL STABILITY CORRESPONDING TO A PLURALITY OF VENTRICULAR REGIONS
    • 基于R-R间隔稳定性相对于多个地区的ARRHYTHMIA辨别的设备,系统和方法
    • US20130030312A1
    • 2013-01-31
    • US13194732
    • 2011-07-29
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • A61B5/046A61N1/365A61N1/39A61B5/0456
    • A61B5/0422A61B5/0452A61B5/0456A61B5/0464A61N1/3627A61N1/3684A61N1/3686
    • Described herein are implantable systems and devices, and methods for use therewith, that can be used to perform arrhythmia discrimination. A plurality of different sensing vectors are used to obtain a plurality of different IEGMs, each of which is indicative of cardiac electrical activity at a different ventricular region. The plurality of different IEGMs can include, e.g., an IEGM indicative of cardiac electrical activity at a first region of the patient's left ventricular (LV) chamber and an IEGM indicative of cardiac electrical activity at a second region of the patient's LV chamber. Additionally, the plurality of different IEGMs can further include an IEGM indicative of cardiac electrical activity at a region of a patient's right ventricular (RV) chamber. For each of the IEGMs, there is a determination of a corresponding localized R-R interval stability metric indicative of the R-R interval stability at the corresponding ventricular region. This can include, e.g., determining, for each of the IEGMs, a plurality of R-R intervals corresponding to a plurality of consecutive cardiac cycles of the IEGM. For each IEGM, a measure of variation (e.g., standard deviation, range or variance, but not limited thereto) can then be determined for the plurality of R-R intervals to thereby determine the localized R-R interval stability metric for the IEGM. Arrhythmia discrimination is then performed using the plurality of determined localized R-R interval stability metrics.
    • 本文描述了可用于执行心律失常鉴别的可植入系统和装置及其使用方法。 使用多个不同的感测向量来获得多个不同的IEGM,每个IEGM指示在不同心室区域处的心脏电活动。 多个不同的IEGM可以包括例如指示患者左心室(LV)室的第一区域处的心脏电活动的IEGM和指示患者LV室的第二区域处的心脏电活动的IEGM。 另外,多个不同的IEGM还可以包括指示患者右心室(RV)室的区域处的心脏电活动的IEGM。 对于每个IEGM,存在确定相应的局部R-R间期稳定性度量,其指示相应心室区域处的R-R间期稳定性。 这可以包括例如为每个IEGM确定对应于IEGM的多个连续心脏周期的多个R-R间隔。 对于每个IEGM,然后可以为多个R-R间隔确定变化量(例如,标准偏差,范围或方差,但不限于此),从而确定IEGM的局部R-R间隔稳定性度量。 然后使用多个确定的局部R-R间期稳定性度量进行心律失常鉴别。
    • 16. 发明申请
    • DEVICES, SYSTEMS AND METHODS TO INCREASE COMPLIANCE WITH A PREDETERMINED VENTRICULAR ELECTRICAL ACTIVATION PATTERN
    • 设备,系统和方法,以增加符合预定的静脉电活动模式
    • US20130030487A1
    • 2013-01-31
    • US13194716
    • 2011-07-29
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • A61N1/368
    • A61N1/3925A61N1/3622A61N1/3624A61N1/3627A61N1/3684A61N1/371A61N1/395A61N1/3962
    • Described herein are implantable systems and devices, and methods for use therewith, that can be used to increase compliance with a predetermined preferred ventricular electrical activation pattern. Such implantable systems preferably includes a first lead having at least one electrode implantable in a right ventricular (RV) chamber, and a second lead having at least two electrodes implantable in a left ventricular (LV) chamber. A plurality of different sensing vectors are used to obtain a plurality of IEGMs that collectively enable electrical activations to be detected in at least the RV chamber and at at least two separate regions of the LV chamber. The IEGMs can be obtained while the patient's LV chamber is not being paced, or during bi-ventricular (BiV) pacing that includes pacing at only a single site within the LV chamber. An actual ventricular electrical activation pattern is determined based on the plurality of IEGMs. Additionally, there is a determination of whether the actual ventricular electrical activation pattern matches the predetermined preferred ventricular electrical activation pattern. If the actual ventricular electrical activation pattern does not match the predetermined preferred ventricular electrical activation pattern, then multisite LV (MSLV) pacing is delivered to achieve the predetermined preferred ventricular electrical activation pattern.
    • 这里描述的是可植入的系统和装置以及与其一起使用的方法,其可用于增加对预定的优选心室电活动模式的依从性。 这种可植入系统优选地包括具有可植入右心室(RV)室中的至少一个电极的第一引线和具有可植入在左心室(LV))腔中的至少两个电极的第二引线。 使用多个不同的感测向量来获得多个IEGM,其共同地使得能够在至少RV室中和在LV室的至少两个分开的区域处检测电激活。 当患者的LV室未起搏时,或者在双室(BiV)起搏期间可以获得IEGM,其中仅包括在LV室内的单个部位起搏。 基于多个IEGM确定实际的心室电激活模式。 此外,确定实际心室电活动模式是否与预定的优选心室电激活模式匹配。 如果实际的心室电激活模式与预定的优选心室电激活模式不匹配,则输送多部位LV(MSLV)起搏以实现预定的优选心室电活动模式。
    • 18. 发明授权
    • Devices, systems and methods to monitor and treat heart failure (HF)
    • 监测和治疗心力衰竭(HF)的装置,系统和方法
    • US09554717B2
    • 2017-01-31
    • US13194700
    • 2011-07-29
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • Allen J. KeelKyungmoo RyuStuart Rosenberg
    • A61B5/0456A61B5/0452A61B5/042A61B5/0464A61N1/362A61N1/368
    • A61B5/0422A61B5/0452A61B5/0456A61B5/0464A61N1/3627A61N1/3684A61N1/3686
    • Described herein are implantable systems and devices, and methods for use therewith, that can be used to monitor and treat heart failure (HF). Such implantable systems preferably includes a lead having at least two electrodes implantable in a patient's left ventricular (LV) chamber. A plurality of different sensing vectors are used to obtain a plurality of IEGMs each of which is indicative of an evoked response at a corresponding different region of the LV chamber. For each of the IEGMs, there is a determination of one or more evoked response metrics indicative of a localized cardiac function at the corresponding region of the LV chamber. The evoke response metrics can be, e.g., paced depolarization integral (PDI) and/or maximum upward slope of an R-wave, but are not limited thereto. The patient's HF condition is monitored based on the localized cardiac function at the plurality of different regions of the LV chamber as determined based on the one or more evoked response metrics determined for each of the IEGMs.
    • 本文描述了可用于监测和治疗心力衰竭(HF)的可植入系统和装置及其使用的方法。 这种可植入系统优选地包括具有可植入患者左心室(LV)腔室中的至少两个电极的引线。 使用多个不同的感测向量来获得多个IEGM,每个IEGM指示LV室的相应不同区域处的诱发反应。 对于每个IEGM,存在一个或多个诱发响应度量的确定,所述诱发响应度量指示LV室的相应区域处的局部心脏功能。 唤醒响应度量可以是例如R波的步调去极化积分(PDI)和/或最大上升斜率,但不限于此。 基于根据为每个IEGM确定的一个或多个诱发响应度量确定的,基于LV室的多个不同区域处的局部心脏功能来监测患者的HF状况。