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    • 4. 发明申请
    • IMPLANTABLE MEDICAL DEVICE COMMUNICATION SYSTEM WITH PULSED POWER BIASING
    • 具有脉冲功率偏置的可植入医疗设备通信系统
    • WO2005061044A2
    • 2005-07-07
    • PCT/US2004/041872
    • 2004-12-09
    • MEDTRONIC, INC.REINKE, James, D.ECKER, Robert, M.
    • REINKE, James, D.ECKER, Robert, M.
    • A61N
    • A61N1/37252A61N1/025A61N1/372
    • An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors, actuators and other implantable medical devices. The implantable medical device includes a communication unit to output commands and power pulses, and receive information from the slave devices over the two-wire bus. The implantable medical device and slaves communicate over the bus by selectively changing one of the lines of the bus between a first and second voltage, the second voltage substantially equal to a reference voltage of the second line, e.g., zero volts. In some embodiments, the power pulses take the form of bipolar pulse pairs. The slave device includes a recovery unit to recover power from the power pulses.
    • 可植入医疗装置通信系统通过两线总线在可植入医疗装置与至少一个从属装置之间传送信息。 从设备可以包括远程传感器,致动器和其它可植入医疗设备。 可植入医疗装置包括通信单元,用于输出命令和功率脉冲,并通过双线总线从从设备接收信息。 可植入医疗装置和从动装置通过在第一和第二电压之间选择性地改变总线线路之一来通过总线通信,第二电压基本上等于第二线路的基准电压,例如零伏特。 在一些实施例中,功率脉冲采取双极性脉冲对的形式。 从设备包括从功率脉冲恢复功率的恢复单元。
    • 6. 发明申请
    • VERIFICATION OF CAPTURE USING PRESSURE WAVES TRANSMITTED THROUGH A PACING LEAD
    • 使用通过一个PACL引擎传输的压力波检测的验证
    • WO1997035638A1
    • 1997-10-02
    • PCT/US1997004302
    • 1997-03-18
    • MEDTRONIC INC.
    • MEDTRONIC INC.ECKER, Robert, M.McCLURE, Lawrence, C.WAHSTRAND, John, D.
    • A61N01/37
    • A61N1/3702A61N1/36542A61N1/36578A61N1/3712
    • A capture verification system for a cardiac pacemaker comprising an implantable pulse generator (IPG) and one or more pacing leads having a proximal end coupled to the IPG and a distal end in contact with a patient's heart. The capture verification system employs a pressure wave sensor mounted in the IPG in relation to the proximal end of the pacing lead for sensing pressure waves transmitted from the distal end of the pacing lead to the proximal end thereof. The pressure waves include characteristic sounds of heart contraction and/or distal end lead motion caused by the contraction motion of the patient's heart that are transmitted along the lead body to the active sensor. A further isolated, reference sensor is also incorporated into the IPG in a similar fashion. Signal processors are coupled to the pressure wave and reference sensors for nulling out common mode noise.
    • 一种用于心脏起搏器的捕获验证系统,包括可植入脉冲发生器(IPG)和一个或多个起搏引线,其具有耦合到IPG的近端和与患者心脏接触的远端。 捕获验证系统使用安装在IPG中的压力波传感器相对于起搏引线的近端,用于感测从起搏引线的远端传递到其近端的压力波。 压力波包括由沿着引导体传递到有源传感器的患者心脏的收缩运动引起的心脏收缩和/或远端引导运动的特征性声音。 另一个隔离的参考传感器也以类似的方式并入到IPG中。 信号处理器耦合到压力波和参考传感器,以消除共模噪声。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR RATE-RESPONSIVE CARDIAC PACING
    • 方法和装置用于速率反应性心脏病
    • WO1997035637A1
    • 1997-10-02
    • PCT/US1997004172
    • 1997-03-14
    • MEDTRONIC, INC.
    • MEDTRONIC, INC.ECKER, Robert, M.McCLURE, Lawrence, C.WAHLSTRAND, John, D.
    • A61N01/37
    • A61N1/36542A61N1/3702
    • In a pacemaker, a method and apparatus for providing rate in response to the patient's breathing rate or respiratory minute ventilation or contraction strength, optionally augmented by the patient's activity level. An implantable pulse generator (IPG) has one or more pacing leads (18) having a proximal end (40) coupled to the IPG and a distal end in contact with a patient's heart. A pressure wave transducer (32) mounted in the IPG in relation to the proximal end (40) of the pacing lead (18) senses pressure waves transmitted from the distal end of the pacing lead (18) to the proximal end (40) thereof. The pressure waves originate from disturbances imparted to the lead by heart contractions and breathing. A further isolated, reference sensor (34) is also incorporated into the IPG in a similar fashion. An activity signal processor is coupled to the pressure wave or reference sensor (32, 34) for providing a patient activity physiologic signal. A respiration signal processor and a contraction strength signal processor are coupled to said pressure wave and reference transducer providing physiologic respiration rate and/or respiratory minute ventilation signals. A contraction strength signal processor is coupled to said pressure wave and reference transducers (32, 34) for nulling out common mode noise and providing physiologic contraction strength signals. Pacing rate control circuitry is responsive to one or more of the physiologic signals for setting the pacing rate to meet the metabolic demand.
    • 在起搏器中,用于响应于患者的呼吸频率或呼吸分钟通气或收缩强度提供速率的方法和装置,可选地由患者的活动水平增加。 植入式脉冲发生器(IPG)具有一个或多个起搏引线(18),其具有耦合到IPG的近端(40)和与患者心脏接触的远端。 相对于起搏引线(18)的近端(40)安装在IPG中的压力波传感器(32)感测从起搏引线(18)的远端传递到其起始端(40)的压力波 。 压力波起源于通过心脏收缩和呼吸引起的引起的干扰。 另一个隔离的参考传感器(34)也以类似的方式结合到IPG中。 活动信号处理器耦合到压力波或参考传感器(32,34),用于提供患者活动生理信号。 呼吸信号处理器和收缩强度信号处理器耦合到所述压力波和参考换能器,其提供生理呼吸速率和/或呼吸分钟通气信号。 收缩强度信号处理器耦合到所述压力波和参考换能器(32,34),用于消除共模噪声并提供生理收缩强度信号。 起搏速率控制电路响应一个或多个生理信号以设定起搏速率以满足代谢需求。
    • 10. 发明申请
    • IMPLANTABLE MEDICAL DEVICE COMMUNICATION SYSTEM
    • 可植入医疗设备通信系统
    • WO2004028627A1
    • 2004-04-08
    • PCT/US2003/029936
    • 2003-09-19
    • MEDTRONIC, INC.
    • REINKE, James, D.ECKER, Robert, M.
    • A61N1/36
    • A61N1/372A61N1/025
    • An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors and other implantable medical devices. The implantable medical device includes a communication unit to combine data and power for transmission over the two-wire bus. The transmitted signal is selectively changeable between a first and second voltage. The slave device includes a recovery unit to recover data and power from the received signal. An extendable command set includes long commands to set up the system and shorter commands to conserve power. Selectively addressable multicast commands, and shortened quick trigger commands conserve power by lowering system current and increasing data throughput.
    • 可植入医疗设备通信系统通过双线总线在可植入医疗设备和至少一个从设备之间传递信息。 从属设备可能包括远程传感器和其他植入式医疗设备。 可植入医疗设备包括通信单元以组合数据和电力以通过双线总线进行传输。 传输的信号在第一和第二电压之间可选择性地改变。 从设备包括恢复单元,以从接收到的信号中恢复数据和功率。 可扩展的命令集包括用于设置系统的长命令和用于节省电源的较短命令。 有选择地寻址的多播命令和缩短的快速触发命令通过降低系统电流和提高数据吞吐量来节省功耗。