首页> 外文会议>2013 IEEE International Symposium on the Applications of Ferroelectric and Workshop on the Piezoresponse Force Microscopy >Application driven design, fabrication and characterization of piezoelectric energy scavenger for cardiac pacemakers
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Application driven design, fabrication and characterization of piezoelectric energy scavenger for cardiac pacemakers

机译:心脏起搏器的压电能量清除剂的应用驱动设计,制造和表征

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We will present an approach that can be used for the powering of miniaturized and autonomous leadless implants, which could be directly placed inside a human heart. We will discuss the energy content of the heart vibration spectrum in a view of energy harvesting. We will demonstrate, that according to the heart beat acceleration spectrum obtained by placing accelerometers inside several heart cavities, the useful vibration energy is localized at lower frequencies (15 to 30 Hz). We will also detail the dimensional restrictions in the case of a leadless pacemaker. Since it has to be placed into a heart through veins, the device is expected to be of cylindrical shape with a diameter not exceeding 6 mm. We will present an application driven design of a resonant piezoelectric energy scavenger aiming at powering a leadless pacemaker with a useable energy of few micro Joules per a heartbeat.
机译:我们将介绍一种可用于为小型化且自主的无铅植入物供电的方法,该方法可以直接放置在人的心脏内。我们将从能量收集的角度讨论心脏振动频谱的能量含量。我们将证明,根据通过在多个心脏腔内放置加速度计获得的心跳加速度频谱,有用的振动能量位于较低的频率(15至30 Hz)。对于无铅起搏器,我们还将详细说明尺寸限制。由于必须通过静脉将其放置在心脏中,因此该设备应为直径不超过6 mm的圆柱形。我们将介绍谐振压电能量清除器的应用驱动设计,旨在为无心起搏器提供每心跳几微焦耳的可用能量。

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