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    • 4. 发明授权
    • Rate control during AF using cellular intervention to modulate AV node
    • 使用细胞干预调整AV节点的AF期间的速率控制
    • US08565898B2
    • 2013-10-22
    • US11116621
    • 2005-04-28
    • Vinod SharmaDaniel C. Sigg
    • Vinod SharmaDaniel C. Sigg
    • A61N1/00A61K38/00A61K38/16
    • A61N1/362A61K9/0019A61K31/221A61K38/177A61N1/0568
    • A biologic intervention method and apparatus generates a persistent modification to an AV node that is physiologically stable after the agent has matured but is alterable with subsequent application of an agent. Specifically, the generic agent is used to modulate a node in a cardiac conduction system including rate control using one and a combination of a family of K+ channel or equivalent. Specifically, the channel is implemented to slow conduction by generating an outward current during optimization of action potential and repolarization phase thus decreasing the current that is available to excite downstream cells. A Kv 1.3 channel, for example, may be used as the biologic channel. The invention enables reversal of the modulation or adjustment for various heart rates (BPM) based on medical and patient-specific needs.
    • 生物干预方法和装置对于在该药剂已经成熟但随后随后施用药剂而可变化的生理稳定的AV节点产生持久性修饰。 具体地,通用代理用于调制心脏传导系统中的节点,包括使用一个K +通道或等效物系的组合的速率控制。 具体地,通过在动作电位和复极相优化期间产生向外的电流来实现缓慢传导,从而减少可用于激发下游单元的电流。 例如,可以使用Kv1.3通道作为生物通道。 本发明能够根据医疗和患者特定的需要逆转各种心率(BPM)的调节或调整。
    • 6. 发明申请
    • Method and apparatus for independent piezoelectric excitation in the micro-actuator assemblies of a hard disk drive for improved drive reliability
    • 用于硬盘驱动器的微致动器组件中的独立压电激励的方法和装置,用于提高驱动可靠性
    • US20090034128A1
    • 2009-02-05
    • US11897936
    • 2007-08-31
    • Vinod SharmaHyung Jai Lee
    • Vinod SharmaHyung Jai Lee
    • G11B21/24
    • G11B5/4826G11B5/4873G11B5/5552
    • A hard disk drive using a micro-actuator assembly to position a slider over a track on a rotating disk surface. The micro-actuator assembly includes a first piezoelectric device and a second piezoelectric device, both mechanically coupled to the slider. The first piezoelectric device includes a first terminal electrically coupled to a first voltage line and a second terminal electrically coupled to a ground line. The second piezoelectric device includes a third terminal electrically coupled to a ground line and a fourth terminal electrically coupled to a voltage line. A voltage applied to the first voltage line stimulates only the first piezoelectric device to alter a lateral position of the slider over the rotating disk surface, and a second voltage applied to the second voltage line stimulates only the second piezoelectric device to alter the lateral position of the slider over the rotating disk surface.
    • 使用微型致动器组件的硬盘驱动器将滑块定位在旋转盘表面上的轨道上。 微致动器组件包括机械地联接到滑块的第一压电装置和第二压电装置。 第一压电器件包括电耦合到第一电压线的第一端子和电耦合到接地线的第二端子。 第二压电器件包括电耦合到接地线的第三端子和电耦合到电压线的第四端子。 施加到第一电压线的电压仅刺激第一压电装置来改变滑块在旋转盘表面上的横向位置,并且施加到第二电压线的第二电压仅刺激第二压电装置改变第二压电装置的横向位置 滑块越过旋转盘表面。
    • 10. 发明授权
    • Implantable medical device having optical fiber for sensing electrical activity
    • 具有用于感测电活动的光纤的可植入医疗装置
    • US07190993B2
    • 2007-03-13
    • US10701710
    • 2003-11-04
    • Vinod SharmaZhou Xiaohong
    • Vinod SharmaZhou Xiaohong
    • A61B5/04
    • A61N1/056A61B5/042A61N1/371
    • An implantable medical device for optically sensing action potential signals in excitable body tissue. The device includes an elongated tubular lead body carrying an optical fiber extending from a proximal lead end to a distal lead end to position the optical fiber at a target site. The lead body additionally carries a conduit for dispensing a voltage-sensitive fluorescent dye into tissue surrounding the target site. The optical fiber transmits excitation light to the fluorescent dye to cause the dye to fluoresce with varying intensity as the transmembrane potentials of local tissue cells vary due to passing depolarization wavefronts. The optical fiber transmits the fluorescence signal to the device to generate an action potential signal or fiducial points of an action potential signal for use in accurately measuring and characterizing electrical activity of excitable tissue.
    • 一种用于在可兴奋的身体组织中光学感测动作电位信号的可植入医疗装置。 该装置包括细长的管状引线体,其承载从近侧引线端延伸到远端引线端的光纤,以将光纤定位在目标部位。 引线体还带有用于将电压敏感的荧光染料分配到靶区域周围的组织中的导管。 光纤将激发光透射到荧光染料,以使得染料以不同的强度发荧光,因为局部组织细胞的跨膜电位由于通过去极化波前而变化。 光纤将荧光信号传输到设备以产生动作电位信号或动作电位信号的基准点,用于精确测量和表征可兴奋组织的电活动。