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    • 1. 发明申请
    • INFORMATION MANAGEMENT IN DEVICES WORN BY A USE
    • 使用信息管理信息
    • WO2008008008A1
    • 2008-01-17
    • PCT/SE2006/000883
    • 2006-07-13
    • ST. JUDE MEDICAL ABHEDBERG, Sven-ErikMALMBERG, PatrikLYCHOU, LeifKERSTNA, JürgenTJÄLLDIN, Ellen
    • HEDBERG, Sven-ErikMALMBERG, PatrikLYCHOU, LeifKERSTNA, JürgenTJÄLLDIN, Ellen
    • A61B5/00G06F19/00
    • A61N1/37211A61B5/0402A61B5/6843A61N1/37282G06F19/00G16H40/63
    • The invention involves a device (100), e.g. an implantable medical device, adapted for physical connection to a body (10) of a user. The device (100) comprises an information manager (120) for managing sensitive information associated with the user or device (100), such as being arranged for retrieving the sensitive information from a memory (122) in the device (100). A sensor (130, 170) is arranged in or connected to the device (100) for sensing whether the device (100) is physically connected to the body (10) and worn by the user and for generating a signal representative of whether the device (100) is actually physically connected to the body (10). The information manager (120) is connected to the sensor (130) and is responsive to the generated signal and performs its information managing function based on the signal. The invention prevents, among others, fraudulent retrieval of sensitive data from the device (100) if the device (100) is not connected to or implanted in the intended user body (10).
    • 本发明涉及一种装置(100),例如 可植入医疗装置,适于物理连接到使用者的身体(10)。 设备(100)包括用于管理与用户或设备(100)相关联的敏感信息的信息管理器(120),诸如被安排用于从设备(100)中的存储器(122)检索敏感信息。 传感器(130,170)布置在设备(100)中或连接到设备(100),用于感测设备(100)物理地连接到主体(10)并且被用户佩戴,并且用于生成表示设备 (100)实际上物理地连接到主体(10)。 信息管理器(120)连接到传感器(130)并且响应于所产生的信号并且基于该信号执行其信息管理功能。 如果设备(100)未连接到或植入预期用户体(10)中,则本发明防止了来自设备(100)的敏感数据的欺骗性检索。
    • 8. 发明申请
    • MEDICAL SYSTEM FOR MONITORING AND LOCALISATION OF ELECTRODE LEADS IN THE HEART
    • 用于监测和定位心脏中电极引线的医疗系统
    • WO2007111542A1
    • 2007-10-04
    • PCT/SE2006/000384
    • 2006-03-27
    • ST. JUDE MEDICAL ABHEDBERG, Sven-ErikNILSSON, Kenth
    • HEDBERG, Sven-ErikNILSSON, Kenth
    • A61B5/06A61N1/37
    • A61N1/37A61B2034/2053A61N1/368A61N1/3682A61N1/3684A61N1/3704
    • Medical system to be used in connection with an implantable heart stimulator provided with sensing and stimulating heart electrodes. The system comprises a predetermined number of electrode pairs (4), e.g. three patch electrodes, to be arranged at or within a human being or animal such that an electric field through the heart is generated between the electrodes of respective electrode pair. The electric field(s) is/are adapted to be generated by an excitation means (6), including electric field excitation voltage generators, connected to the electrodes, by applying alternating voltages at a preset frequency to the electrodes of the electrode pair(s). The system includes a signal receiving means (8) adapted to receive a signal representing the voltage potential difference between the voltage potential at one of the heart electrodes used as detecting electrode and a reference electrode, wherein the voltage potential is related to the generated electric field. The signal receiving means then to generates a potential difference signal that is applied to a signal controlling and processing means (10) adapted to process the detected potential difference signal in order to determine parameters representing heart activity.
    • 医疗系统与可植入式心脏刺激器结合使用,可提供感应和刺激心脏电极。 该系统包括预定数量的电极对(4),例如, 三个贴片电极被布置在人或动物中或内部,使得在各个电极对的电极之间产生通过心脏的电场。 电场通过施加连接到电极的电场激励电压发生器的激励装置(6)产生,通过以预定频率向电极对的电极施加交流电压(s) )。 该系统包括适于接收表示用作检测电极的一个心电极上的电压电位与参考电极之间的电压电位差的信号的信号接收装置(8),其中电压电位与产生的电场相关 。 然后,信号接收装置产生施加到适于处理检测到的电位差信号的信号控制和处理装置(10)的电位差信号,以便确定表示心脏活动的参数。
    • 9. 发明申请
    • DETECTION OF DIASTOLIC HEART FAILURE
    • 检测白内障心脏失败
    • WO2005110535A1
    • 2005-11-24
    • PCT/SE2004/000741
    • 2004-05-13
    • ST JUDE MEDICAL ABHEDBERG, Sven-ErikBJÖRLING, AndersTORPO, MariaLJUNGSTRÖM, Karin
    • HEDBERG, Sven-ErikBJÖRLING, AndersTORPO, MariaLJUNGSTRÖM, Karin
    • A61N1/37
    • A61B5/0215A61B5/053A61B5/0538A61N1/3627A61N1/36514
    • An implantable medical apparatus for detecting diastolic heart failure, DHF, comprises a DHF determining device for determining at least one blood pressure parameter for detecting a DHF state of the heart (4) of a patient. The DHF determining device comprises a pressure measuring means (2,26) for measuring the absolute value of left atrial pressure during the diastasis phase just before atrial contraction, or the absolute value of the pressure in the pulmonary vein when the pulmonary valve is closed, for a predetermined workload situation and a rest situation of the patient. A comparison means (18) compares the difference between left atrial pressure or pulmonary vein pressure, in said workload and rest situations, with a predetermined pressure difference reference value. A pacemaker comprises such an apparatus and control means (14) for optimising pacing therapy depending on the result of the comparisons with the reference values. A corresponding method of detecting diastolic heart failure, DHF, comprises the step of determining at least one blood pressure parameter for detecting a DHF state of the heart of a patient. The absolute value of left atrial pressure is measured during the diastasis phase just before atrial contraction, or the absolute value of the pressure in the pulmonary vein when the pulmonary valve is closed, for a predetermined workload situation and a rest situation of the patient. The difference between left atrial pressure or pulmonary vein pressure in said workload and rest situations is compared with a predetermined pressure difference reference value.
    • 用于检测舒张性心力衰竭的可植入医疗装置DHF包括DHF确定装置,用于确定用于检测患者心脏(4)的DHF状态的至少一个血压参数。 DHF判定装置包括压力测定装置(2,26),用于在心房收缩前的舒张阶段测量左心房的绝对值,或者肺动脉瓣关闭时肺静脉压的绝对值, 用于预定工作情况和患者的休息状态。 比较装置(18)将所述工作负荷和静止状况下的左心房压力或肺静脉压力之间的差与预定的压力差参考值进行比较。 起搏器包括用于根据与参考值的比较的结果来优化起搏治疗的这种装置和控制装置(14)。 检测舒张性心力衰竭DHF的相应方法包括确定用于检测患者心脏的DHF状态的至少一个血压参数的步骤。 左心房压力的绝对值是在心房收缩前的舒张期或肺动脉瓣关闭时肺静脉压力的绝对值,在预定的工作情况和患者的休息状态下测量的。 将所述工作负荷和静止情况下的左心房压力或肺静脉压力之间的差异与预定的压力差参考值进行比较。
    • 10. 发明申请
    • DYNAMIC CARDIAC RESYNCHRONIZATION THERAPY BY TRACKING INTER -ATRIAL CONDUCTION DELAYS
    • 通过跟踪直接导联延迟进行动态心脏再生治疗
    • WO2012163414A1
    • 2012-12-06
    • PCT/EP2011/058982
    • 2011-05-31
    • ST. JUDE MEDICAL ABHEDBERG, Sven-ErikHOLMSTRÖM, NilsJÄRVERUD, Karin
    • HEDBERG, Sven-ErikHOLMSTRÖM, NilsJÄRVERUD, Karin
    • A61N1/362A61N1/368
    • A61N1/368A61N1/3622A61N1/3682A61N1/3684
    • The present invention relates generally to implantable medical devices and more particularly to systems and methods for stimulating a heart of a patient. A first ventricle is activated by delivering stimulation to at least one stimulation site, a point of time for arrival at the AV node for at least one depolarization wave resulting from the stimulation in the first ventricle is estimated and a first activation time interval substantially corresponding to the time interval required for at least one depolarization wave to travel from the stimulation site in the first ventricle to the AV node using the estimated point of time for arrival of the depolarization wave and a point of time for delivery of stimulation is computed. Thereafter, the other ventricle is stimulated by delivering stimulation to at least one stimulation site. A point of time for arrival at the AV node for at least one depolarization wave resulting from the stimulation in the other ventricle is then estimated and a second activation time interval substantially corresponding to the time required for at least one depolarization wave to travel from the stimulation site in the other ventricle to the AV node using the estimated arrival of the depolarization wave and the point of time for delivery of stimulation is computed. Based on these activation time intervals and a difference between the intervals, a pacing therapy can be determined, wherein the first ventricle is paced prior to activation of the other ventricle if the activation time difference indicates that the first activation time interval is longer than the second activation time interval and the other ventricle is paced prior to activation of the first ventricle if the activation time difference indicates that the second activation time interval is longer than the first activation time interval.
    • 本发明一般涉及可植入医疗装置,更具体地涉及用于刺激患者心脏的系统和方法。 通过向至少一个刺激部位递送刺激来激活第一脑室,估计到达在第一脑室刺激产生的至少一个去极化波的AV节点的时间点,并且基本对应于 计算使用去极化波的到达的估计时间点和用于递送刺激的时间点的至少一个去极化波从第一脑室的刺激部位行进到AV节点所需的时间间隔。 此后,通过将刺激递送至至少一个刺激部位刺激另一个心室。 然后估计到达AV节点对于在另一个心室中的刺激产生的至少一个去极化波的时间点,并且基本对应于至少一个去极化波从刺激行进所需的时间的第二激活时间间隔 计算使用去极化波的估计到达和输送刺激的时间点在AV节点的另一脑室中的位置。 基于这些激活时间间隔和间隔之间的差异,可以确定起搏治疗,其中如果激活时间差指示第一激活时间间隔长于第二心室第二激活时间间隔,则第一心室在另一心室激活之前起搏 如果所述激活时间差指示所述第二激活时间间隔长于所述第一激活时间间隔,则所述激活时间间隔和所述另一个心室在所述第一心室激活之前起步。