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    • 59. 发明申请
    • MEMs switching circuit and method for an implantable medical device
    • 用于可植入医疗装置的MEMs切换电路和方法
    • US20050115811A1
    • 2005-06-02
    • US10973117
    • 2004-10-26
    • Rogier ReceveurCornel Marxer
    • Rogier ReceveurCornel Marxer
    • A61N1/00A61N1/37A61N1/39H01H59/00
    • H01H59/0009A61N1/37A61N1/3912H01H2001/0042
    • A bistable MEMS switch for use in selectively opening or closing electrical circuits included in an implantable medical device system is provided. The switch includes a central movable beam having a movable contact; a suspension system for supporting the movable beam and generating a contact force; an actuator for displacing the beam upon application of an activation signal, and a fixed contact for interfacing the movable contact when the switch is in a closed state. The switch is fabricated from a Si/SiO2/Si wafer using photolithography, DRIE and sacrificial oxide etching followed by metalization of electrical contact points with a wear-resistant metal or alloy. An actuation layer may be fabricated from the silicon substrate layer of the wafer and the signal layer may be fabricated from the top silicon layer. The actuation layer and signal layer are thereby electrically decoupled and mechanically coupled by the intervening SiO2 layer.
    • 提供了一种用于选择性地打开或关闭包括在可植入医疗装置系统中的电路的双稳态MEMS开关。 开关包括具有可移动触点的中心可动梁; 用于支撑可移动梁并产生接触力的悬架系统; 用于在施加激活信号时移动所述光束的致动器,以及用于当所述开关处于闭合状态时将所述可动触头对接的固定触点。 使用光刻,DRIE和牺牲氧化物蚀刻由Si / SiO 2 / Si / Si晶片制造开关,随后用耐磨金属或合金金属化电接触点。 可以从晶片的硅衬底层制造致动层,并且可以从顶部硅层制造信号层。 因此,致动层和信号层通过介入的SiO 2层进行电去耦和机械耦合。
    • 60. 发明申请
    • MEASUREMENT OF CORONARY SINUS PARAMETERS TO OPTIMIZE LEFT VENTRICULAR PERFORMANCE
    • 冠状动脉参数的测量优化左心室性能
    • US20110160790A1
    • 2011-06-30
    • US13042800
    • 2011-03-08
    • Berthold StegemannRogier Receveur
    • Berthold StegemannRogier Receveur
    • A61N1/365
    • A61N1/36585A61B5/14532A61N1/3627A61N1/3655A61N1/36557A61N1/36571
    • In some embodiments, an implantable medical device (IMD) system may include one or more of the following elements: (a) an oxygen sensor for measuring oxygen extraction from blood flowing through a coronary sinus of a patient's heart, (b) an oxygen signal generated by the oxygen sensor, (c) an IMD coupled to the oxygen sensor, wherein the IMD is configured to output pacing pulses as a function of the oxygen signal, and (d) an atrial and a ventricular pacing lead coupled to the IMD to deliver the pacing pulses to the patient's heart, wherein the IMD generates the pacing pulses as a function of the oxygen signal, wherein the pacing pulses are adjusted by the IMD as a function of the oxygen signal, wherein the IMD is configured to adjust the pacing pulses to increase oxygen in the blood flow through the coronary sinus.
    • 在一些实施例中,可植入医疗装置(IMD)系统可以包括以下元件中的一个或多个:(a)氧传感器,用于测量从流过患者心脏的冠状窦的血液中提取氧气,(b)氧信号 由氧传感器产生的,(c)耦合到所述氧传感器的IMD,其中所述IMD被配置为输出作为所述氧信号的函数的起搏脉冲,以及(d)心房和心室起搏线,其耦合到所述IMD至 将起搏脉冲递送到患者的心脏,其中IMD根据氧信号产生起搏脉冲,其中起搏脉冲作为氧信号的函数由IMD调节,其中IMD被配置为调整起搏 脉冲以增加通过冠状窦的血液中的氧气。