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    • 3. 发明申请
    • APPARATUS AND METHOD FOR OPTIMIZING CAPACITOR CHARGE IN A MEDICAL DEVICE
    • 在医疗设备中优化电容器充电的装置和方法
    • US20060195148A1
    • 2006-08-31
    • US11379931
    • 2006-04-24
    • John NortonAnthony Rorvick
    • John NortonAnthony Rorvick
    • A61N1/39
    • A61N1/3975A61N1/3981
    • A medical device for electrical termination of an arrhythmic condition of a patient's heart in embodiments of the invention may include one or more of the following features: (a) at least one battery; (b) means for detection of an arrhythmic condition of a patient's heart; (c) at least one high voltage capacitor; (d) converter means for providing charging current from said battery to said capacitor; (e) means for maintenance of a charge on said capacitor between arrhythmia therapies; (f) controller means responsive to detection of an arrhythmic condition of said patient's heart and for providing a discharge control signal; and (g) discharge circuit means for delivering voltage stored on said capacitor to said patient's heart in response to said discharge control signal.
    • 在本发明的实施例中用于电终止患者心脏的心律失常状态的医疗装置可以包括以下特征中的一个或多个:(a)至少一个电池; (b)检测患者心脏的心律不齐症的手段; (c)至少一个高电压电容器; (d)用于从所述电池向所述电容器提供充电电流的转换器装置; (e)用于在心律失常治疗之间维持所述电容器上的电荷的装置; (f)响应于所述患者心脏的心律失常状态的检测并用于提供放电控制信号的控制器装置; 以及(g)放电电路装置,用于响应于所述放电控制信号将存储在所述电容器上的电压传送到所述患者的心脏。
    • 10. 发明申请
    • Implantable medical device having flat electrolytic capacitor with differing sized anode and cathode layers
    • US20050041366A1
    • 2005-02-24
    • US10918061
    • 2004-08-13
    • Mark BrevenAndrew JacobsAnthony RorvickPaul Pignato
    • Mark BrevenAndrew JacobsAnthony RorvickPaul Pignato
    • A61N1/375A61N1/39H01G9/008H01G9/06H01G9/08H01G9/00
    • H01G9/008A61N1/375A61N1/3956A61N1/3968H01G9/06H01G9/08
    • Flat electrolytic capacitors, particularly, for use in implantable medical devices (IMDs), and the methods of fabrication of same are disclosed. The capacitors are formed with an electrode stack assembly comprising a plurality of stacked capacitor layers each comprising an anode sub-assembly of at least one anode layer, a cathode layer and separator layers wherein the anode and cathode layers have differing dimensions that avoid electrical short circuits between peripheral edges of adjacent anode and cathode layers but maximize anode electrode surface area. The electrolytic capacitor is formed of a capacitor case defining an interior case chamber and case chamber periphery, an electrode stack assembly of a plurality of stacked capacitor layers having anode and cathode tabs disposed in the interior case chamber, an electrical connector assembly for providing electrical connection with the anode and cathode tabs through the case, a cover, and electrolyte filling the remaining space within the interior case chamber. The plurality of capacitor layers and further separator layers are stacked into the electrode stack assembly and disposed within the interior case chamber such that the adjacent anode and cathode layers are electrically isolated from one another. The anode layer peripheral edges of the anode sub-assemblies of the stacked capacitor layers extend closer to the case side wall than the cathode peripheral edges of the cathode layers of the stack of capacitor layers throughout a major portion of the case chamber periphery. The separator layer peripheral edges extend to the case periphery and space the anode layer peripheral edges therefrom. Any burrs, debris or distortions along or of any of the anode layer peripheral edges causing the anode layer edges to effectively extend in the electrode stack height direction causes the anode layer peripheral edges having such tendency to contact an adjacent anode layer. In this way, anode layer surface area is maximized, and short circuiting of the anode layers with the cathode layers is avoided. A case liner can also be disposed around the electrode stack assembly periphery.