Method and apparatus for detecting atrial filling pressure
    41.
    发明授权
    Method and apparatus for detecting atrial filling pressure 有权
    用于检测心房充盈压的方法和装置

    公开(公告)号:US08048001B2

    公开(公告)日:2011-11-01

    申请号:US11558967

    申请日:2006-11-13

    IPC分类号: A61B5/0225 A61B5/021

    摘要: A cardiac rhythm management system provides for ambulatory monitoring of hemodynamic performance based on quantitative measurements of heart sound related parameters for diagnostic and therapeutic purposes. Monitoring of such heart sound related parameters allows the cardiac rhythm management system to determine a need for delivering a therapy and/or therapy parameter adjustments based on conditions of a heart. This monitoring also allows a physician to observe or assess the hemodynamic performance for diagnosing and making therapeutic decisions. Because the conditions of the heart may fluctuate and may deteriorate significantly between physician visits, the ambulatory monitoring, performed on a continuous or periodic basis, ensures a prompt response by the cardiac rhythm management system that may save a life, prevent hospitalization, or prevent further deterioration of the heart.

    摘要翻译: 心律管理系统基于用于诊断和治疗目的的心音相关参数的定量测量,提供对血液动力学性能的动态监测。 监测这种心脏声音相关参数允许心律管理系统基于心脏的情况来确定递送治疗和/或治疗参数调整的需要。 该监测还允许医师观察或评估用于诊断和作出治疗决定的血液动力学性能。 由于心脏的状况可能波动,并且可能在医师访问之间显着恶化,所以在连续或周期性的基础上进行的动态监测可确保心律管理系统能够节省生命,预防住院或进一步防止心律失常的迅速反应 心脏恶化

    Determining a patient's posture from mechanical vibrations of the heart
    42.
    发明授权
    Determining a patient's posture from mechanical vibrations of the heart 有权
    从心脏的机械振动确定患者的姿势

    公开(公告)号:US08012098B2

    公开(公告)日:2011-09-06

    申请号:US12484108

    申请日:2009-06-12

    IPC分类号: A61B5/02

    摘要: A system for determining a patient's posture by monitoring heart sounds. The system comprises an implantable medical device that includes a sensor operable to produce an electrical signal representative of heart sounds, a sensor interface circuit coupled to the sensor to produce a heart sound signal, and a controller circuit coupled to the sensor interface circuit. The heart sounds are associated with mechanical activity of a patient's heart and the controller circuit is operable to detect a posture of the patient from a heart sound signal.

    摘要翻译: 通过监测心脏声音来确定患者姿势的系统。 该系统包括可植入医疗装置,其包括可操作以产生表示心脏声音的电信号的传感器,耦合到传感器以产生心音信号的传感器接口电路,以及耦合到传感器接口电路的控制器电路。 心脏声音与患者心脏的机械活动相关联,并且控制器电路可操作以从心脏声音信号检测患者的姿势。

    Method for correction of posture dependence on heart sounds
    44.
    发明授权
    Method for correction of posture dependence on heart sounds 有权
    矫正心脏声音姿势依赖性的方法

    公开(公告)号:US07951087B2

    公开(公告)日:2011-05-31

    申请号:US12645906

    申请日:2009-12-23

    IPC分类号: A61B5/02

    摘要: A system to monitor heart sounds. The system comprises an implantable heart sound sensor configured to produce an electrical signal representative of at least one heart sound, an implantable posture sensor operable to produce an electrical signal representative of a patient's posture, and a controller circuit. The controller circuit is configured to determine a patient posture, measure at least one heart sound in correspondence with at least one corresponding patient posture, adjust the heart sound measurement by using the corresponding determined patient posture to reduce or remove variation in the heart sound measurement due to patient posture, detect a change in the adjusted heart sound measurement, and provide an indication of congestive heart failure to a user or an automated process in response to the detected change.

    摘要翻译: 监听心音的系统 该系统包括被配置为产生表示至少一个心音的电信号的可植入心音传感器,可操作以产生表示患者姿势的电信号的可植入姿态传感器和控制器电路。 控制器电路被配置为确定患者姿势,测量与至少一个对应的患者姿势相对应的至少一个心音,通过使用相应的确定的患者姿势来调整心脏声音测量,以减少或消除心音测量中的变化 到患者姿势,检测调整后的心音测量的变化,并响应于检测到的变化向用户或自动化过程提供充血性心力衰竭的指示。

    METHOD AND APPARATUS FOR MONITORING OF DIASTOLIC HEMODYNAMICS
    45.
    发明申请
    METHOD AND APPARATUS FOR MONITORING OF DIASTOLIC HEMODYNAMICS 有权
    用于监测白血病HEMODY动力学的方法和装置

    公开(公告)号:US20110098588A1

    公开(公告)日:2011-04-28

    申请号:US12985055

    申请日:2011-01-05

    IPC分类号: A61B5/02

    摘要: A cardiac rhythm management system provides for ambulatory monitoring of hemodynamic performance based on quantitative measurements of heart sound related parameters for diagnostic and therapeutic purposes. Monitoring of such heart sound related parameters allows the cardiac rhythm management system to determine a need for delivering a therapy and/or therapy parameter adjustments based on conditions of a heart. This monitoring also allows a physician to observe or assess the hemodynamic performance for diagnosing and making therapeutic decisions. Because the conditions of the heart may fluctuate and may deteriorate significantly between physician visits, the ambulatory monitoring, performed on a continuous or periodic basis, ensures a prompt response by the cardiac rhythm management system that may save a life, prevent hospitalization, or prevent further deterioration of the heart.

    摘要翻译: 心律管理系统基于用于诊断和治疗目的的心音相关参数的定量测量,提供对血液动力学性能的动态监测。 监测这种心脏声音相关参数允许心律管理系统基于心脏的情况来确定递送治疗和/或治疗参数调整的需要。 该监测还允许医师观察或评估用于诊断和作出治疗决定的血液动力学性能。 由于心脏的状况可能波动,并且可能在医师访问之间显着恶化,所以在连续或周期性的基础上进行的动态监测可确保心律管理系统能够节省生命,预防住院或进一步防止心律失常的迅速反应 心脏恶化

    SENSING RATE OF CHANGE OF PRESSURE IN THE LEFT VENTRICLE WITH AN IMPLANTED DEVICE
    46.
    发明申请
    SENSING RATE OF CHANGE OF PRESSURE IN THE LEFT VENTRICLE WITH AN IMPLANTED DEVICE 有权
    在具有嵌入式装置的左心室中的压力变化率的感测率

    公开(公告)号:US20100145403A1

    公开(公告)日:2010-06-10

    申请号:US12703533

    申请日:2010-02-10

    IPC分类号: A61N1/365 A61B5/02

    摘要: An implantable device and method for monitoring S1 heart sounds with a remotely located accelerometer. The device includes a transducer that converts heart sounds into an electrical signal. A control circuit is coupled to the transducer. The control circuit is configured to receive the electrical signal, identify an S1 heart sound, and to convert the S1 heart sound into electrical information. The control circuit also generates morphological data from the electrical information. The morphological data relates to a hemodynamic metric, such as left ventricular contractility. A housing may enclose the control circuit. The housing defines a volume coextensive with an outer surface of the housing. The transducer is in or on the volume defined by the housing.

    摘要翻译: 一种用远程位置加速度计监测S1心音的可植入装置和方法。 该装置包括将心音转换为电信号的换能器。 控制电路耦合到换能器。 控制电路被配置为接收电信号,识别S1心音,并将S1心音转换为电信息。 控制电路还从电信息生成形态数据。 形态学数据涉及血流动力学指标,如左心室收缩力。 壳体可以包围控制电路。 壳体限定与壳体的外表面共同延伸的体积。 传感器位于由外壳限定的体积中。

    SYSTEM AND METHOD FOR DETECTION OF HF DECOMPENSATION BASED ON SIGNS AND SYMPTOMS
    47.
    发明申请
    SYSTEM AND METHOD FOR DETECTION OF HF DECOMPENSATION BASED ON SIGNS AND SYMPTOMS 有权
    基于标志和症状检测HF分解的系统和方法

    公开(公告)号:US20100073170A1

    公开(公告)日:2010-03-25

    申请号:US12563882

    申请日:2009-09-21

    IPC分类号: G08B23/00 G06N7/02 G06N5/04

    摘要: In an example, physiologic information about a patient can be obtained and mapped to a first set of fuzzy logic membership functions, and a symptom status can be derived from the mapping of the physiologic information using a first fuzzy logic inference. In an example, the symptom status can be mapped to a second set of fuzzy logic membership functions, and a disease status can be derived from the mapping of the symptom status to the second set of fuzzy logic membership functions using a second fuzzy logic inference.

    摘要翻译: 在一个示例中,可以获得关于患者的生理信息并将其映射到第一组模糊逻辑隶属函数,并且可以使用第一模糊逻辑推断从生理信息的映射导出症状状态。 在一个示例中,症状状态可被映射到第二组模糊逻辑隶属函数,并且可以使用第二模糊逻辑推理从症状状态与第二组模糊逻辑隶属函数的映射导出疾病状态。

    ISCHEMIA DETECTION USING PRESSURE SENSOR
    48.
    发明申请
    ISCHEMIA DETECTION USING PRESSURE SENSOR 审中-公开
    使用压力传感器进行ISCHEMIA检测

    公开(公告)号:US20080177156A1

    公开(公告)日:2008-07-24

    申请号:US11624974

    申请日:2007-01-19

    IPC分类号: A61B5/0205 A61B5/0215

    摘要: This document discusses, among other things, a system and method for sensing a pulmonary artery pressure (“PAP”) signal of a pulmonary artery (“PA”) and computing an indication of a reduction of blood supply to at least a portion of a heart using information from the PAP signal. The reduction of blood supply to at least a portion of the heart can be detected using a PAP signal characteristic or measurement, using a change in the PAP, using an interval between multiple PAP signal features, using a mitral valve performance, or using information from the PAP and information from a different physiological signal, including a cardiac signal, a heart sound signal, right ventricular pressure signal, a left ventricular pressure signal, a blood pressure signal, and an oxygen saturation signal.

    摘要翻译: 本文件尤其涉及用于感测肺动脉(“PA”)的肺动脉压(“PAP”)信号的系统和方法,并且计算将血液供应减少到至少一部分 心脏使用来自PAP信号的信息。 使用PAP信号特征或测量可以使用PAP信号特征或多个PAP信号特征之间的间隔,使用二尖瓣性能来使用PAP信号特征或测量来检测对心脏的至少一部分的血液供应,或使用来自 PAP和来自不同生理信号的信息,包括心脏信号,心音信号,右心室压力信号,左心室压力信号,血压信号和氧饱和度信号。