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    • 6. 发明授权
    • Circuit and method for implantable dual sensor medical electrical lead
    • 可植入双传感器医用电线的电路和方法
    • US6163723A
    • 2000-12-19
    • US177540
    • 1998-10-22
    • Jonathan P. RobertsGlenn M. RolineBrian B. Lee
    • Jonathan P. RobertsGlenn M. RolineBrian B. Lee
    • A61N1/365
    • A61N1/36585
    • An implantable dual transducer apparatus for use with an implantable medical device and control method are disclosed. The dual transducer assembly includes two physiologic sensors coupled to the medical device via a pair of lead conductors. Switching circuitry is controlled by the medical device to selectively activate and deactivate the two physiologic sensors by application of a supply voltage of an appropriate polarity. Each sensor of the dual transducer assembly is connected to the pair of lead conductors through a respective power switch. In response to the polarity of the supply voltage applied to the lead conductors, the power switches activate or deactivate their respective sensor in an alternating manner. Selective activation of one of the sensor while concurrently deactivating the other sensor of the dual transducer assembly provides for reduced power consumption and reliable communication of sensor data and other information transmitted over the pair of lead conductors. The power switches may be constructed using diodes, including discrete or substrate diodes, or transistors, such as n-channel and p-channel transistors. A wide variety of physiologic sensors may be incorporated into the dual transducer assembly.
    • 公开了一种用于可植入医疗装置和控制方法的可植入双传感器装置。 双传感器组件包括经由一对引线导体耦合到医疗装置的两个生理传感器。 切换电路由医疗设备控制,以通过施加适当极性的电源电压来选择性地激活和去激活两个生理传感器。 双传感器组件的每个传感器通过相应的电源开关连接到一对引线导体。 响应于施加到引线导体的电源电压的极性,功率开关以交替方式激活或去激活它们各自的传感器。 在同时禁用双重传感器组件的另一个传感器的同时,选择性地激活传感器之一,可以降低传感器数据和通过一对引线导体传输的其他信息的功耗和可靠的通信。 功率开关可以使用二极管构成,包括分立或衬底二极管,或晶体管,例如n沟道和p沟道晶体管。 可以将多种生理传感器并入双重换能器组件中。
    • 7. 发明授权
    • Subcutaneous multi-electrode sensing system, method and pacer
    • 皮下多电极感应系统,方法和起搏器
    • US5331966A
    • 1994-07-26
    • US168725
    • 1993-12-16
    • Tom D. BennettWilliam J. CombsKallok, Michael J.Brian B. LeeRahul MehraGeorge J. Klein
    • Tom D. BennettWilliam J. CombsKallok, Michael J.Brian B. LeeRahul MehraGeorge J. Klein
    • A61N1/365A61B5/0402A61N1/362A61N1/375A61B5/0428
    • A61N1/3686A61N1/36185A61N1/3622A61N1/0504A61N1/3756Y10S128/903
    • A method and apparatus for providing an enhanced capability of detecting and gathering electrical cardiac signals via an array of relatively closely spaced subcutaneous electrodes (located on the body of an implanted device) which may be employed with suitable switching circuits, signal processors, and memory to process the electrical cardiac signals between any selected pair or pairs of the electrode array in order to provide a leadless, orientation insensitive means for receiving the electrical signal from the heart. This far-field EGM may be used to provide storage and analysis of arrhythmic events and to provide control signals for the delivery of various therapies including pacing, cardioversion and defibrillation therapies as well as the delivery of antiarrhythmic drugs, and, in the pacing context, to effect capture detection and automatic stimulation threshold adaption, recording of PMT episodes, measurement of refractory periods in order to set timing windows for antitachy pacing therapies, and as a control signal for use in adjusting pacing rate to physiologic demand.
    • 一种用于提供通过相对紧密间隔的皮下电极(位于植入装置的主体上)的阵列来检测和收集电心电信号的增强能力的方法和装置,其可以与合适的开关电路,信号处理器和存储器一起使用 处理任何所选择的一对或一对电极阵列之间的电心脏信号,以便提供用于从心脏接收电信号的无引导方向不敏感的装置。 这种远场EGM可用于提供心律失常事件的存储和分析,并提供用于递送各种疗法的控制信号,包括起搏,心脏复律和除颤疗法以及递送抗心律失常药物,并且在起搏背景下, 以实现捕获检测和自动刺激阈值适应,记录PMT发作,测量不良期以设置反向起搏治疗的时间窗口,以及用作调整生理需求起搏速率的控制信号。
    • 8. 发明申请
    • PERCUTANEOUS DELIVERY TOOL
    • PERCUTANEOUS DELIVERY工具
    • US20120283705A1
    • 2012-11-08
    • US13101613
    • 2011-05-05
    • Brian B. LeeSara M. Hoeppner
    • Brian B. LeeSara M. Hoeppner
    • A61B17/00
    • A61N1/372A61B17/28A61B17/30A61B2017/00738A61B2017/305A61N1/37205A61N1/3756
    • A percutaneous delivery tool may be used to implant a medical device, for example, within a subcutaneous space. The percutaneous delivery tool may include a handle, first and second attachment members, and first and second connecting members connecting the attachment members to the handle. In some examples, the first and second attachment members are configured to receive the medical device such that the medical device is positioned between the attachment members. In some additional examples, the first and second connecting members are angled with respect to the handle, the first connecting member is angled with respect to the first attachment member, and the second connecting member is angled with respect to the second attachment member.
    • 可以使用经皮递送工具来植入医疗装置,例如在皮下空间内。 经皮递送工具可以包括手柄,第一和第二附接构件以及将附接构件连接到手柄的第一和第二连接构件。 在一些示例中,第一和第二附接构件构造成接收医疗装置,使得医疗装置位于附接构件之间。 在一些附加示例中,第一和第二连接构件相对于手柄成一定角度,第一连接构件相对于第一附接构件成角度,并且第二连接构件相对于第二附接构件成角度。
    • 10. 发明授权
    • Method and apparatus for monitoring heart function in a subcutaneously implanted device
    • 用于监测皮下植入装置中的心脏功能的方法和装置
    • US07035684B2
    • 2006-04-25
    • US10376062
    • 2003-02-26
    • Brian B. Lee
    • Brian B. Lee
    • A61B5/04
    • A61N1/36514A61B5/0031A61B5/0205A61B5/0215A61B5/0452A61B5/7232A61N1/05A61N1/3702
    • A minimally invasive, implantable monitor and associated method for chronically monitoring a patient's hemodynamic function based on signals sensed by one or more acoustical sensors. The monitor may be implanted subcutaneously or submuscularly in relation to the heart to allow acoustic signals generated by heart or blood motion to be received by a passive or active acoustical sensor. Circuitry for filtering and amplifying and digitizing acoustical data is included, and sampled data may be continuously or intermittently written to a looping memory buffer. ECG electrodes and associated circuitry may be included to simultaneously record ECG data. Upon a manual or automatic trigger event acoustical and ECG data may be stored in long-term memory for future uploading to an external device. The external device may present acoustical data visually and acoustically with associated ECG data to allow interpretation of both electrical and mechanical heart function.
    • 基于由一个或多个声学传感器感测到的信号的用于长期监测患者血液动力学功能的微创可植入监测器和相关方法。 监测器可以相对于心脏皮下或肌肉下植入,以允许由心脏或血液运动产生的声信号由被动或主动声学传感器接收。 包括用于滤波和放大和数字化声学数据的电路,并且采样数据可以被连续地或间歇地写入循环存储器缓冲器。 可以包括ECG电极和相关联的电路以同时记录ECG数据。 在手动或自动触发事件中,声学和ECG数据可以存储在长期存储器中,以便将来上传到外部设备。 外部设备可以使用相关的ECG数据在视觉和声学上呈现声学数据,以允许解释电和机械心脏功能。