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    • 7. 发明申请
    • Battery Management for an Implantable Medical Device
    • 可植入医疗器械的电池管理
    • US20130023943A1
    • 2013-01-24
    • US13489770
    • 2012-06-06
    • Jordi ParramonGoran N. MarnfeldtRobert OzawaEmanuel FeldmanDave Peterson
    • Jordi ParramonGoran N. MarnfeldtRobert OzawaEmanuel FeldmanDave PetersonYuping He
    • A61N1/36
    • A61N1/3787A61N1/08
    • Battery management circuitry for an implantable medical device such as an implantable neurostimulator is described. The circuitry has a T-shape with respect to the battery terminal, with charging circuitry coupled between rectifier circuitry and the battery terminal on one side of the T, and load isolation circuitry coupled between the load and the battery terminal on the other side. The load isolation circuitry can comprise two switches wired in parallel. An undervoltage fault condition opens both switches to isolate the battery terminal from the load to prevent further dissipation of the battery. Other fault conditions will open only one the switches leaving the other closed to allow for reduced power to the load to continue implant operations albeit at safer low-power levels. The battery management circuitry can be fixed in a particular location on an integrated circuit which also includes for example the stimulation circuitry for the electrodes.
    • 描述了诸如可植入神经刺激器的可植入医疗装置的电池管理电路。 电路相对于电池端子具有T形,充电电路耦合在整流器电路和T的一侧上的电池端子之间,负载隔离电路耦合在另一侧的负载和电池端子之间。 负载隔离电路可以包括并联的两个开关。 欠压故障条件打开两个开关以将电池端子与负载隔离,以防止电池进一步耗散。 其他故障条件将仅打开一个开关,使另一个闭合,以允许降低负载的功率,以继续进行种植体操作,尽管处于更安全的低功率水平。 电池管理电路可以固定在集成电路的特定位置,该集成电路还包括例如用于电极的刺激电路。