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    • 4. 发明申请
    • Remotely controlled catheter insertion system
    • 遥控导管插入系统
    • US20080009791A1
    • 2008-01-10
    • US11485595
    • 2006-07-11
    • Todd CohenMichael Eilenberg
    • Todd CohenMichael Eilenberg
    • A61M31/00
    • A61M25/0105A61B34/30A61B2034/301A61M25/0133
    • A remotely controlled insertion system for a medical device is described. The system comprises a robotic device and a remote control mechanism. The robotic device has a handle controller to receive and hold the control handle or proximal end of a medical device. The medical device is capable of moving in up to six ranges of motion. In ione embodiment a first motor is connected through a drive screw to a handle controller to move the medical device forward and backward. A second motor is connected to drive wheels effective to rotate the medical device clockwise and counter-clockwise. A third motor drives a series of gears that are connected to one or more control members on the medical device, this being effective to deflect a tip of the medical device so that movement of the third motor causes such deflection. A control unit is connected to all three motors.
    • 描述了用于医疗设备的遥控插入系统。 该系统包括机器人装置和远程控制机构。 机器人装置具有手柄控制器以接收和保持医疗装置的控制手柄或近端。 医疗设备能够在多达六个运动范围内移动。 在实施例中,第一电动机通过驱动螺杆连接到手柄控制器以使医疗装置向前和向后移动。 第二马达连接到驱动轮,有效地顺时针和逆时针旋转医疗装置。 第三马达驱动连接到医疗装置上的一个或多个控制构件的一系列齿轮,这有效地使医疗装置的尖端偏转,使得第三马达的运动引起这种偏转。 控制单元连接到所有三台电机。
    • 7. 发明申请
    • Hemodynamic optimization system for biventricular implants
    • 双心室植入物血液动力学优化系统
    • US20050131469A1
    • 2005-06-16
    • US10989841
    • 2004-11-16
    • Todd Cohen
    • Todd Cohen
    • A61N1/362A61N1/365A61N1/368
    • A61N1/3627A61N1/36514A61N1/3682A61N1/3684
    • A system for monitoring a patient and treating the malfunctioning heart of the patient, either in an automatic mode or in a semiautomatic mode, includes means which derive at least one physiologic signal from or related to the patient's circulatory system representative of hemodynamic status. A feedback loop is implemented in a biventricular implant, in order to automatically or selectively optimize the patient's clinical hemodynamic status. Accordingly, the biventricular implant will be programmed to go through a series of AV delay, RV-LV timing and heart rate sequences which scan a preselected range of programmable values and apply those values to the patient's heart. Hemodynamic patient measurements will be recorded and preferably graphed over those applied values. The optimal AV delay, RV-LV timing sequence and pacing rate can then be selected either manually by a technician, physician or other operator, or automatically via the implant in order to secure the best personalized timing sequence for the patient. Preferably, the implant will also be capable of automatically recording hemodynamic information and adjusting intervals, in order to optimize hemodynamics without third party intervention. Also preferably, the automatic adjusting feature can be selectively programmed on or off using the device programmer, to control manual or automatic intervention.
    • 用于监测患者并以自动模式或半自动模式治疗患者的心脏的系统包括从代表血液动力学状态的患者的循环系统导出至少一个生理信号或与患者的循​​环系统有关的装置。 在双心室植入物中实现反馈回路,以便自动或选择性地优化患者的临床血液动力学状态。 因此,双心室植入物将被编程以经历一系列AV延迟,RV-LV定时和心率序列,其扫描预选的可编程值的范围并将这些值应用于患者的心脏。 血液动力学患者测量将被记录,并且优选地绘制在这些应用值上。 然后可以由技术人员,医生或其他操作者手动选择最佳AV延迟,RV-LV定时序列和起搏速率,或者通过植入物自动选择,以确保患者的最佳个性化定时顺序。 优选地,植入物还将能够自动记录血液动力学信息和调节间隔,以便在没有第三方干预的情况下优化血流动力学。 还优选地,可以使用设备编程器将自动调节特征选择性地编程为开或关,以控制手动或自动干预。
    • 8. 发明授权
    • System for and method of therapeutic stimulation of a patient's heart
    • US4899751A
    • 1990-02-13
    • US378708
    • 1989-07-12
    • Todd Cohen
    • Todd Cohen
    • A61N1/365A61N1/39
    • A61N1/3962A61N1/36564A61N1/3918
    • A system for therapeutic stimulation of a patient's heart includes means for varying the escape interval or rate of a means for producing pacing pulses. Pressure sensing means sense pressure at a site in the circulatory system of a patient. Signal producing means respond to output from the sensing means to develop a variable first signal representative of mean pressure at the site over a period of predetermined duration. Signal producing means respond to output from the sensing means for developing a second signal representing mean pressure at the site over a period of given duration less than the period of predetermined duration. Control signal producing means responsive to the first signal and to the second signal develop a control signal upon the first signal and the second signal differing by at least a predetermined amount. Control means, responsive to the control signal, control the means for varying the escape interval or rate of the means for producing pacing pulses. The escape interval or rate may be additionally controlled by a second control signal related to the activity level of the patient either conjointly or contemporaneously. A method of therapeutic stimulation of a patient's heart is also disclosed. The method can be viewed as an analogue of the system.