APPARATUS AND METHOD FOR HIGH SPEED DATA COMMUNICATION BETWEEN AN EXTERNAL MEDICAL DEVICE AND AN IMPLANTABLE MEDICAL DEVICE
    1.
    发明授权
    APPARATUS AND METHOD FOR HIGH SPEED DATA COMMUNICATION BETWEEN AN EXTERNAL MEDICAL DEVICE AND AN IMPLANTABLE MEDICAL DEVICE 失效
    方法和设备之间的外部医疗器械和设备植入式医疗HIGH高速数据通信

    公开(公告)号:EP0697900B1

    公开(公告)日:2000-06-28

    申请号:EP94915917.2

    申请日:1994-04-28

    申请人: INTERMEDICS INC.

    IPC分类号: A61N1/372 A61B5/00

    摘要: A method of communicating data between an external device and an implantable medical device wherein a first pulse is transmitted as electromagnetic energy from one device to the other, is received and stored as electrostatic energy in the second device and, after a delay period representing data to be communicated, the stored energy is released and transmitted as electromagnetic energy back to the first device. A communications circuit in the implantable device for accomplishing the method includes an antenna coil, a non-linear electronic component in circuit communication with the antenna coil, a storage capacitor in circuit communication with the antenna coil and non-linear electronic component for storing energy received by the antenna coil, and a switch for selectively connecting the charged storage capacitor and the antenna coil to discharge the charge stored in the capacitor into the antenna coil.

    IMPLANTABLE CARDIAC CARDIOVERTER/DEFIBRILLATOR WITH EMI SUPPRESSION FILTER WITH INDEPENDENT GROUND
    2.
    发明公开
    IMPLANTABLE CARDIAC CARDIOVERTER/DEFIBRILLATOR WITH EMI SUPPRESSION FILTER WITH INDEPENDENT GROUND 失效
    植入型心律转/带独立的接地电压一个抑制电磁干扰滤波器ENTFLIMMERER

    公开(公告)号:EP0915722A1

    公开(公告)日:1999-05-19

    申请号:EP97924582.0

    申请日:1997-05-02

    IPC分类号: A61N1

    摘要: An implantable defibrillator (10), which may include cardioversion and pacemaker capabilities, which has EMI filters (46, 54) which are not susceptible to defibrillation shocks and which reduce or eliminate the effects of charging noise on sensing circuits used for continuous confirmation. A first filter capacitor (104) is provided between a sense electrode, which may include pacing capabilities, and a ground reference (106) within a hermetically sealed can (66) containing a pulse/shock generator (62, 68). A second filter capacitor (112) is provided between a sensing/pacing reference electrode, which may also be a high voltage or shock electrode, and the ground reference (106). In addition, there is a third filter capacitor (108) between the ground reference and the can. Preferably, the connections of the first, second and third filter capacitors are physically as well as electrically adjacent to each other. The filter capacitors are housed in the can and in or adjacent to a feedthrough assembly which passes through the can. Most preferably, the filter capacitors are discoidal capacitors mounted in or adjacent to the feedthrough.

    OPTICALLY CONTROLLED HIGH-VOLTAGE SWITCH FOR AN IMPLANTABLE DEFIBRILLATOR
    3.
    发明公开
    OPTICALLY CONTROLLED HIGH-VOLTAGE SWITCH FOR AN IMPLANTABLE DEFIBRILLATOR 失效
    光控高压开关的植入式除颤器

    公开(公告)号:EP0869830A1

    公开(公告)日:1998-10-14

    申请号:EP96944509.0

    申请日:1996-12-18

    IPC分类号: A61N1

    CPC分类号: A61N1/3931 A61N1/3912

    摘要: An implantable defribillator with an optically-controlled high-voltage switch. A three-terminal high-voltage-tolerant semiconductor switch (88) exhibits high conductivity between its high-voltage terminal (HV) and its common terminal (COM) in response to a low control voltage applied between its control terminal (CRT) and its common terminal (COM), where the low control voltage exceeds a characteristic threshold value, and exhibits low conductivity between same where the control voltage is less than the characteristic threshold value. A photovoltaic coupler/isolator (82) having a light emitting device (90) and a photovoltaic device (92), optically coupled to and electrically isolated from each other, is in circuit communication across the control and common terminals. A low voltage current source (80) drives the light emitting device (90) of the photovoltaic coupler/isolator (82). A switch-off opto-isolator (84) having a light emitting device (94) and a light sensitive conductive device (96), optically coupled to and electrically isolated from each other, is in circuit communication across the control and common terminals of the semiconductor switch (88). A switch-off low voltage current source (86) drives the light emitting device (94) of the switch-off opto-isolator having a light sensitive conductive device, optically coupled and electrically isolated from each other, is in series circuit communication between the photovoltaic device and the semiconductor switch. A switch-on low voltage current source drives the light emitting device of the switch-on opto-isolator.

    APPARATUS AND METHOD FOR HIGH SPEED DATA COMMUNICATION BETWEEN AN EXTERNAL MEDICAL DEVICE AND AN IMPLANTABLE MEDICAL DEVICE
    4.
    发明公开
    APPARATUS AND METHOD FOR HIGH SPEED DATA COMMUNICATION BETWEEN AN EXTERNAL MEDICAL DEVICE AND AN IMPLANTABLE MEDICAL DEVICE 失效
    方法和设备之间的外部医疗器械和设备植入式医疗HIGH高速数据通信

    公开(公告)号:EP0697900A1

    公开(公告)日:1996-02-28

    申请号:EP94915917.0

    申请日:1994-04-28

    申请人: INTERMEDICS INC.

    IPC分类号: A61N1 A61B5 H02J17

    摘要: A method of communicating data between an external device and an implantable medical device wherein a first pulse is transmitted as electromagnetic energy from one device to the other, is received and stored as electrostatic energy in the second device and, after a delay period representing data to be communicated, the stored energy is released and transmitted as electromagnetic energy back to the first device. A communications circuit in the implantable device for accomplishing the method includes an antenna coil, a non-linear electronic component in circuit communication with the antenna coil, a storage capacitor in circuit communication with the antenna coil and non-linear electronic component for storing energy received by the antenna coil, and a switch for selectively connecting the charged storage capacitor and the antenna coil to discharge the charge stored in the capacitor into the antenna coil.