公开(公告)号：US09227075B2

公开(公告)日：2016-01-05

申请号：US12618637

申请日：2009-11-13

Applicant: Daniel Aghassian ,  Lev Freidin ,  Joey Chen

Inventor： Daniel Aghassian ,  Lev Freidin ,  Joey Chen

IPC: A61N1/378 ,  A61N1/372 ,  H02J7/02

CPC classification number: A61N1/3787 ,  A61N1/37235 ,  A61N1/37252 ,  A61N1/37258 ,  A61N1/37276 ,  H02J7/025 ,  H02J50/12

Abstract: Electrical energy is transcutaneously transmitted at a plurality of different frequencies to an implanted medical device. The magnitude of the transmitted electrical energy respectively measured at the plurality of frequencies. One of the frequencies is selected based on the measured magnitude of the electrical energy (e.g., the frequency at which the measured magnitude of the electrical energy is the greatest). A depth level at which the medical device is implanted within the patient is determined based on the selected frequency. For example, the depth level may be determined to be relatively shallow if the selected frequency is relatively high, and relatively deep if the selected frequency is relative low. A charge strength threshold at which a charge strength indicator generates a user-discernible signal can then be set based on the determined depth level.

Abstract translation: 电能以多个不同的频率经皮传播到植入的医疗装置。 在多个频率下分别测量的透射电能的大小。 基于所测量的电能的大小（例如，测量的电能的大小最大的频率）选择频率之一。 基于所选择的频率来确定在患者体内植入医疗装置的深度级。 例如，如果所选择的频率相对较高，则可以将深度水平确定为相对较浅，如果所选择的频率相对较低，则可以相对较深。 然后可以基于所确定的深度水平来设置充电强度指示器产生用户可识别信号的充电强度阈值。

公开(公告)号：US09142989B2

公开(公告)日：2015-09-22

申请号：US13606921

申请日：2012-09-07

Applicant: Roger Fell ,  Benjamin Cottrill ,  Les Halberg ,  Michael Labbe ,  Joey Chen

Inventor： Roger Fell ,  Benjamin Cottrill ,  Les Halberg ,  Michael Labbe ,  Joey Chen

IPC: A61N1/37 ,  H02J7/00 ,  A61N1/378 ,  H02J7/02

CPC classification number: H02J7/007 ,  A61N1/3787 ,  H02J50/10 ,  H02J50/80

Abstract: A system and method of controlling the charging of the battery of a medical device using a remote inductive charger, with the method utilizing both a relatively fast closed-loop charging control based on a proxy for a target power transmission value in conjunction, and a slower closed-loop control based on an actual measured transmission value to control a charging power level for charging the medical device.

Abstract translation: 使用遥感感应充电器控制医疗装置的电池的充电的系统和方法，利用基于用于目标功率传输值的代理的相对快速的闭环充电控制的方法和较慢的 基于实际测量的传输值的闭环控制来控制用于对医疗设备充电的充电功率水平。

公开(公告)号：US09002445B2

公开(公告)日：2015-04-07

申请号：US11460955

申请日：2006-07-28

Applicant: Joey Chen

Inventor： Joey Chen

IPC: A61N1/378 ,  A61N1/372 ,  H05K1/14 ,  H05K3/36

CPC classification number: A61N1/3787 ,  A61N1/37235 ,  H05K1/141 ,  H05K3/366

Abstract: An external charger for an implantable medical device, comprises a housing, an alternating current (AC) coil and substrate contained within the housing, and one or more electronic components mounted to the substrate. The AC coil is configured for wirelessly transmitting magnetic charging energy to the implantable medical device. The AC coil is disposed in a first plane, with the magnetic charging energy having a field directed perpendicular to the first plane. At least a portion of the substrate has a surface extending along a second plane that is substantially perpendicular to the first plane.

Abstract translation: 用于可植入医疗装置的外部充电器包括壳体，容纳在壳体内的交流（AC）线圈和基板以及安装到基板的一个或多个电子部件。 AC线圈被配置为将磁性充电能量无线传输到可植入医疗装置。 AC线圈设置在第一平面中，其中磁性充电能量具有垂直于第一平面的场。 衬底的至少一部分具有沿着基本上垂直于第一平面的第二平面延伸的表面。

公开(公告)号：US08781596B2

公开(公告)日：2014-07-15

申请号：US13420830

申请日：2012-03-15

Applicant: Daniel Aghassian ,  Jordi Parramon ,  Joey Chen

Inventor： Daniel Aghassian ,  Jordi Parramon ,  Joey Chen

IPC: A61N1/00

CPC classification number: A61N1/37223 ,  A61N1/37205 ,  A61N1/37229 ,  A61N1/3727 ,  A61N1/378 ,  A61N1/3787

Abstract: A combination charging and telemetry circuit for use within an implantable device, such as a microstimulator, uses a single coil for both charging and telemetry. In accordance with one aspect of the invention, one or more capacitors are used to tune the single coil to different frequencies, wherein the coil is used for multiple purposes, e.g., for receiving power from an external source and also for the telemetry of information to and from an external source.

Abstract translation: 在可植入装置（如微型激励器）内使用的组合充电和遥测电路使用单个线圈进行充电和遥测。 根据本发明的一个方面，使用一个或多个电容器将单个线圈调谐到不同的频率，其中线圈用于多个目的，例如用于从外部源接收电力，并且还用于将信息遥测 并从外部来源。

公开(公告)号：US20140070773A1

公开(公告)日：2014-03-13

申请号：US13606868

申请日：2012-09-07

Applicant: Benjamin Cottrill ,  Les Halberg ,  Michael Labbe ,  Joey Chen

Inventor： Benjamin Cottrill ,  Les Halberg ,  Michael Labbe ,  Joey Chen

IPC: H02J7/00

CPC classification number: H02J7/0052 ,  A61N1/3787 ,  H02J7/0004 ,  H02J7/025 ,  H02J50/10

Abstract: A system and method for using statistical analysis of information obtained during a rechargeable battery charging session, wherein the method is for optimizing one or more parameters that are used for controlling the charging of a rechargeable battery during the charging session.

Abstract translation: 一种用于使用在可充电电池充电会话期间获得的信息的统计分析的系统和方法，其中所述方法用于优化用于在充电会话期间控制可再充电电池的充电的一个或多个参数。

公开(公告)号：US08666491B2

公开(公告)日：2014-03-04

申请号：US12040699

申请日：2008-02-29

Applicant: Joey Chen ,  Daniel Aghassian

Inventor： Joey Chen ,  Daniel Aghassian

IPC: A61N1/375

CPC classification number: A61N1/37229 ,  A61N1/37235 ,  A61N1/3787 ,  H05K1/0239 ,  H05K1/165

Abstract: Disclosed is an improved external controller useable in an implantable medical device system. The communication coil in the external controller is formed in a printed circuit board (PCB), i.e., by using the various tracing layers and vias of the PCB. As illustrated, the PCB coil is formed at a plurality of trace layers in the PCB, and comprises a plurality of turns at some or all of the layers. The communication coil may wrap around the other circuitry used in the external controller, which circuitry may be mounted to the front and/or back of the PCB. The geometry of the coil is specially tailored to maximize its inductance, and hence maximize its ability to communicate in the sub-4 MHz range which is not significantly attenuated by the human body.

Abstract translation: 公开了可用于可植入医疗装置系统的改进的外部控制器。 外部控制器中的通信线圈形成在印刷电路板（PCB）中，即通过使用PCB的各种跟踪层和通路。 如图所示，PCB线圈形成在PCB中的多个迹线层，并且在部分或全部层包括多个匝。 通信线圈可以绕在外部控制器中使用的其他电路，哪个电路可以安装到PCB的前部和/或后部。 线圈的几何形状是专门设计的，以最大限度地提高其电感，从而最大限度地提高其在4 MHz范围内通信的能力，这个范围并不会被人体显着衰减。

公开(公告)号：US20110234155A1

公开(公告)日：2011-09-29

申请号：US13040945

申请日：2011-03-04

Applicant: Joey Chen ,  Robert Ozawa ,  Daniel Aghassian

Inventor： Joey Chen ,  Robert Ozawa ,  Daniel Aghassian

IPC: H02J7/00

CPC classification number: A61N1/3758 ,  A61N1/3787 ,  H01F27/365 ,  H01F38/14 ,  H02J7/025 ,  H02J50/10 ,  H02J50/70

Abstract: To recharge an implanted medical device, an external device, typically in the form of an inductive charger, is placed over the implant to provide for transcutaneous energy transfer. The external charging device can be powered by a rechargeable battery. Since the battery is in close proximity to the charge coil, the large magnetic field produced by the charge coil induces eddy currents that flow on the battery's metallic case, often resulting in undesirable heating of the battery and reduced efficiency of the charger. This disclosure provides a means of shielding the battery from the magnetic field to reduce eddy current heating, thereby increasing efficiency. In one embodiment, the magnetic shield consists of one or more thin ferrite plates. The use of a ferrite shield allows the battery to be placed directly over the charge coil as opposed to outside the extent of the charge coil.

Abstract translation: 为了对植入的医疗装置充电，通常以感应充电器的形式的外部装置放置在植入物上以提供经皮能量转移。 外部充电装置可以由可充电电池供电。 由于电池靠近充电线圈，由充电线圈产生的大磁场引起在电池金属壳体上流动的涡流，经常导致电池的不期望的加热并降低充电器的效率。 本公开提供了一种屏蔽电池免受磁场的影响，以减少涡流加热，从而提高效率。 在一个实施例中，磁屏蔽由一个或多个薄铁氧体板组成。 铁氧体屏蔽的使用允许电池直接放置在充电线圈上方，而不是在充电线圈的范围之外。

公开(公告)号：US20110087307A1

公开(公告)日：2011-04-14

申请号：US12575733

申请日：2009-10-08

Applicant: Rafael Carbunaru ,  Jordi Parramon ,  Robert Ozawa ,  Jess Shi ,  Joey Chen ,  Md. Mizanur Rahman

Inventor： Rafael Carbunaru ,  Jordi Parramon ,  Robert Ozawa ,  Jess Shi ,  Joey Chen ,  Md. Mizanur Rahman

IPC: A61N1/378

CPC classification number: A61N1/3787 ,  A61N1/3605 ,  A61N1/37205 ,  A61N1/37217

Abstract: An improved external charger for a battery in an implantable medical device (implant), and technique for charging the battery using such improved external charger, is disclosed. In one example, simulation data is used to model the power dissipation of the charging circuitry in the implant at varying levels of implant power. A power dissipation limit is chosen to constrain the charging circuitry from producing an inordinate amount of heat to the tissue surrounding the implant, and duty cycles are determined for the various levels of input intensities to ensure that the power limit is not exceeded. A maximum simulated average battery current determines the optimal (i.e., quickest) battery charging current, and at least an optimal value for a parameter indicative of that current, for example, the voltage across the battery charging circuitry, is determined and stored in the external charger. During charging, the actual value for that parameter is reported from the implant to the external charger, which in turn adjusts the intensity and/or duty cycle of the magnetic charging field consistent with the simulation to ensure that charging is as fast as possible, while still not exceeding the power dissipation limit.

Abstract translation: 公开了用于可植入医疗装置（植入物）中的电池的改进的外部充电器以及使用这种改进的外部充电器对电池充电的技术。 在一个示例中，模拟数据用于以不同的植入功率水平对植入物中的充电电路的功率耗散进行建模。 选择功率耗散极限以限制充电电路对植入物周围的组织产生过量的热量，并且针对各种输入强度级别确定占空比以确保不超过功率限制。 最大模拟平均电池电流确定最佳（即最快）电池充电电流，并且至少确定表示该电流的参数（例如，电池充电电路两端的电压）的最佳值，并将其存储在外部 充电器。 在充电期间，该参数的实际值从注入到外部充电器报告，外部充电器依次调整充电场的强度和/或占空比，与模拟一致，以确保充电尽可能快，同时 仍然不超过功耗限制。

公开(公告)号：US07769462B2

公开(公告)日：2010-08-03

申请号：US11625283

申请日：2007-01-20

Applicant: Paul M. Meadows ,  Carla Mann Woods ,  David K. Peterson ,  Joey Chen ,  David H. Payne

Inventor： Paul M. Meadows ,  Carla Mann Woods ,  David K. Peterson ,  Joey Chen ,  David H. Payne

IPC: A61N1/00

CPC classification number: A61N1/37252 ,  A61N1/0553 ,  A61N1/36071 ,  A61N1/36185 ,  A61N1/37241 ,  A61N1/37247 ,  A61N1/3787 ,  H01H85/201 ,  H01H85/32

Abstract: A spinal cord stimulation (SCS) system includes multiple electrodes, multiple, independently programmable, stimulation channels within an implantable pulse generator (IPG) which channels can provide concurrent, but unique stimulation fields, permitting virtual electrodes to be realized. The SCS system includes a replenishable power source (e.g., rechargeable battery), that may be recharged using transcutaneous power transmissions between antenna coil pairs. An external charger unit, having its own rechargeable battery can be used to charge the IPG replenishable power source. A real-time clock can provide an auto-run schedule for daily stimulation. An included bi-directional telemetry link in the system informs the patient or clinician the status of the system, including the state of charge of the IPG battery. Other processing circuitry in the IPG allows electrode impedance measurements to be made. Further circuitry in the external battery charger can provide alignment detection for the coil pairs.

Abstract translation: 脊髓刺激（SCS）系统包括在可植入脉冲发生器（IPG）内的多个电极，多个独立可编程的刺激通道，其通道可以提供同时但独特的刺激场，允许实现虚拟电极。 SCS系统包括可补充电源（例如，可充电电池），其可以使用天线线圈对之间的经皮功率传输进行再充电。 可以使用具有自己的可充电电池的外部充电器单元为IPG可补充电源充电。 实时时钟可以提供每日刺激的自动运行时间表。 系统中包括的双向遥测连接通知患者或临床医生系统的状态，包括IPG电池的充电状态。 IPG中的其他处理电路允许进行电极阻抗测量。 外部电池充电器中的进一步电路可以为线圈对提供对准检测。

公开(公告)号：US20090222066A1

公开(公告)日：2009-09-03

申请号：US12040699

申请日：2008-02-29

Applicant: JOEY CHEN ,  DANIEL AGHASSIAN

Inventor： JOEY CHEN ,  DANIEL AGHASSIAN

IPC: A61N1/00

CPC classification number: A61N1/37229 ,  A61N1/37235 ,  A61N1/3787 ,  H05K1/0239 ,  H05K1/165

Abstract: Disclosed is an improved external controller useable in an implantable medical device system. The communication coil in the external controller is formed in a printed circuit board (PCB), i.e., by using the various tracing layers and vias of the PCB. As illustrated, the PCB coil is formed at a plurality of trace layers in the PCB, and comprises a plurality of turns at some or all of the layers. The communication coil may wrap around the other circuitry used in the external controller, which circuitry may be mounted to the front and/or back of the PCB. The geometry of the coil is specially tailored to maximize its inductance, and hence maximize its ability to communicate in the sub-4 MHz range which is not significantly attenuated by the human body.

Abstract translation: 公开了可用于可植入医疗装置系统的改进的外部控制器。 外部控制器中的通信线圈形成在印刷电路板（PCB）中，即通过使用PCB的各种跟踪层和通路。 如图所示，PCB线圈形成在PCB中的多个迹线层，并且在部分或全部层包括多个匝。 通信线圈可以绕在外部控制器中使用的其他电路，哪个电路可以安装到PCB的前部和/或后部。 线圈的几何形状是专门设计的，以最大限度地提高其电感，从而最大限度地提高其在4 MHz范围内通信的能力，这个范围并不会被人体显着衰减。