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    • 67. 发明申请
    • SYSTEMS AND METHODS FOR CONTROLLING PACING INDUCED DYSSYNCHRONY TO REDUCE ISCHEMIC INJURY USING AN IMPLANTABLE MEDICAL DEVICE
    • 使用可植入医疗装置来控制皮肤诱导性神经元以减少异常损伤的系统和方法
    • US20130204312A1
    • 2013-08-08
    • US13365061
    • 2012-02-02
    • Jong GillKwangdeok LeeKyungmoo RyuGene A. Bornzin
    • Jong GillKwangdeok LeeKyungmoo RyuGene A. Bornzin
    • A61N1/365
    • A61N1/3627A61N1/36557A61N1/3682A61N1/3684A61N1/3686
    • Techniques are provided for use by an implantable medical device for optimizing the amount of ventricular dyssynchrony induced within a patient during protective pacing. In one example, the device analyzes intracardiac electrogram signals to detect an ischemic event within the heart. The device then delivers pacing stimulus in accordance with adjustable pacing parameters to induce ventricular dyssynchrony within the heart and adjusts the pacing parameters within a range of permissible values to achieve a preferred degree of ventricular dyssynchrony within the patient, so long as there is no significant reduction in left ventricular pumping functionality. Preferably, the pacing parameters are adjusted to maximize or otherwise optimize the degree of dyssynchrony induced within the patient. If a significant reduction in LV pumping functionality is detected, the dyssynchrony-inducing pacing is preferably suspended to avoid any deterioration in the condition of the heart. Techniques for detecting early onset of ischemia are also disclosed.
    • 技术被提供用于由可植入医疗装置用于在保护性起搏期间优化患者内引起的心室不同步的量。 在一个实例中,该装置分析心内电描记信号以检测心脏内的缺血事件。 然后,该装置根据可调整的起搏参数提供起搏刺激,以诱导心脏内的心室不同步,并在允许值的范围内调整起搏参数,以在患者体内达到优选的心室不同步程度,只要没有显着的减少 在左心室泵功能。 优选地,起搏参数被调整以最大化或以其他方式优化患者内诱发的不同步程度。 如果检测到LV泵送功能的显着降低,则优选暂停不同步的起搏,以避免心脏状况的任何恶化。 还公开了用于检测早期发作缺血的技术。
    • 68. 发明申请
    • SINGLE CHAMBER LEADLESS INTRA-CARDIAC MEDICAL DEVICE HAVING DUAL CHAMBER SENSING WITH SIGNAL DISCRIMINATION
    • 具有信号识别的双室感觉的单室无内科医疗设备
    • US20130138006A1
    • 2013-05-30
    • US13485534
    • 2012-05-31
    • Gene A. BornzinXiaoyi MinJohn W. PooreZoltan Somogyi
    • Gene A. BornzinXiaoyi MinJohn W. PooreZoltan Somogyi
    • A61B5/042
    • A61B5/042A61B5/6869A61N1/368A61N1/3756
    • A leadless intra-cardiac medical device (LIMD) includes multiple electrodes that allow for stimulation and sensing of the right ventricle (RV) and sensing of the right atrium (RA), even though it is entirely located in the RV. The LIMD includes a housing having a proximal end configured to engage local tissue in the local chamber and electrodes located at multiple locations along the housing. Sensing circuitry is configured to define a far field (FF) channel between a first combination of the electrodes to sense FF signals occurring in the adjacent chamber. The sensing circuitry is configured to define a near field (NF) channel between a second combination of the electrodes to sense NF signals occurring in the local chamber. A controller is configured to analyze the NF and FF signals to determine whether the NF and FF signals collectively indicate that a validated event of interest occurred in the adjacent chamber.
    • 无引线心脏内心脏医疗器械(LIMD)包括多个电极,即使完全位于RV中,也能够对右心室(RV)进行刺激和感测,并检测右心房(RA)。 LIMD包括壳体,其具有被配置为接合局部室中的局部组织的近端和位于沿壳体的多个位置处的电极。 感测电路被配置为在电极的第一组合之间定义远场(FF)通道,以感测在相邻室中发生的FF信号。 感测电路被配置为在电极的第二组合之间限定近场(NF)通道,以感测在局部室中发生的NF信号。 控制器被配置为分析NF和FF信号以确定NF和FF信号是否共同表示在邻近室中发生了有效的感兴趣事件。
    • 70. 发明申请
    • UNITARY DUAL-CHAMBER LEADLESS INTRA-CARDIAC MEDICAL DEVICE AND METHOD OF IMPLANTING SAME
    • 单位双室无胸膜内科医疗装置及其相关方法
    • US20130110219A1
    • 2013-05-02
    • US13352167
    • 2012-01-17
    • Gene A. BornzinJohn W. PooreZoltan Somogyi
    • Gene A. BornzinJohn W. PooreZoltan Somogyi
    • A61N1/05
    • A61N1/059A61B17/3468A61N1/0573A61N1/37205A61N1/3756A61N1/3962
    • An assembly for introducing a leadless intra-cardiac medical device includes a sheath having an internal passage, wherein the sheath is configured to be maneuvered into the heart of the patient. A housing may be retained within the internal passage, wherein the housing is configured to be pushed out of the sheath, the housing having a first anchoring member configured to anchor the housing to a first implant location within the heart. The assembly may also include an electrode trailing the housing within the internal passage, wherein the electrode is also configured to be pushed out of the sheath. The electrode has a second anchoring member configured to anchor the electrode to a second implant location within the heart. A conductive wire connects the housing to the electrode, wherein movement of the housing out of the sheath causes the electrode to follow the movement to a distal end of the sheath.
    • 用于引入无引线心脏内心脏医疗装置的组件包括具有内部通道的护套,其中护套构造成被操纵到患者的心脏中。 壳体可以被保持在内部通道内,其中壳体构造成被推出护套,壳体具有构造成将壳体锚定到心脏内的第一植入位置的第一锚定构件。 该组件还可以包括在内部通道内拖曳壳体的电极,其中电极还构造成被推出护套。 电极具有被配置为将电极锚定到心脏内的第二植入位置的第二锚定构件。 导电线将壳体连接到电极,其中壳体从鞘的移动导致电极跟随到鞘的远端的运动。