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    • 2. 发明授权
    • Controlled-power defibrillator and method of defibrillation
    • 控制功率除颤器和除颤方法
    • US06546287B1
    • 2003-04-08
    • US09680790
    • 2000-10-06
    • William J. HavelJoe D. BourlandLeslie A. GeddesWillis A. TackerDarrell O. Wagner
    • William J. HavelJoe D. BourlandLeslie A. GeddesWillis A. TackerDarrell O. Wagner
    • A61N136
    • A61N1/3937A61N1/3912
    • A controlled-power defibrillator and method of defibrillation for automatically compensating for changes in patient resistance during delivery of a defibrillation pulse. A switching power converter is connected between a storage capacitor and a pair of electrodes adapted for connection to a patient's body, either internally or externally. A closed-loop power control circuit is operatively connected to the power converter for control of the power delivered to the patient, the power control circuit generating a target voltage signal for the storage capacitor, the target voltage signal having a defined relationship with the waveform of the power desired to be delivered to the patient. The power control circuit monitors the actual voltage on the storage capacitor and adjusts the delivery of power to the patient as a function of the difference between desired and actual storage capacitor voltage. The power converter is adapted to capture energy from the discharge of an existing defibrillator and to convert captured energy from the existing defibrillator to a waveform different from that generated by the existing defibrillator.
    • 一种控制功率除颤器和除颤方法,用于在除颤脉冲输送期间自动补偿患者阻力的变化。 开关功率转换器连接在存储电容器和适于连接到患者身体的一对电极之间,内部或外部。 闭环功率控制电路可操作地连接到功率转换器,用于控制传递给患者的功率,功率控制电路产生用于存储电容器的目标电压信号,目标电压信号与 期望输送给患者的功率。 功率控制电路监视存储电容器上的实际电压,并根据期望的和实际的存储电容器电压之间的差异来调整向患者的电力输送。 功率转换器适于从现有除颤器的放电中捕获能量,并且将来自现有除颤器的捕获能量转换为与现有除颤器产生的波形不同的波形。
    • 3. 发明授权
    • Endoluminal prosthesis and delivery device
    • 腔内假体和输送装置
    • US09308107B2
    • 2016-04-12
    • US13595636
    • 2012-08-27
    • William J. Havel
    • William J. Havel
    • A61F2/06A61F2/954A61F2/966
    • A61F2/954A61F2/07A61F2/966A61F2002/065A61F2002/067
    • A system for treating a body vessel may include a delivery device and a prosthesis retained on the delivery device. The prosthesis may include a main body and first and second legs each extending from the main body. The main body may include a lumen, and the first leg may include a lumen in fluid communication with the lumen of the main body. The second leg may include a tubular graft body and a stent attached to the graft body. The prosthesis may have a predeployment configuration in which the graft body of the second leg is inverted into and positioned within the lumen of the first leg, and the stent is positioned outside of the inverted graft body. The prosthesis may have a deployed configuration in which the second leg extends outward from the main body, and the stent is positioned within a lumen of the graft body.
    • 用于治疗身体血管的系统可以包括输送装置和保留在输送装置上的假体。 假体可以包括主体以及从主体延伸的第一和第二腿。 主体可以包括腔,并且第一腿可以包括与主体的内腔流体连通的内腔。 第二腿部可以包括管状移植体和附接到移植物体的支架。 假体可以具有预部署构造,其中第二腿的移植物体被倒置并位于第一腿的内腔内,并且支架位于倒置的移植物体的外侧。 假体可以具有展开构造,其中第二腿从主体向外延伸,并且支架位于移植物主体的内腔内。
    • 5. 发明授权
    • Method and apparatus for post-shock evaluation using tissue oxygenation measurements
    • 使用组织氧合测量进行休克后评估的方法和装置
    • US08630708B2
    • 2014-01-14
    • US12845818
    • 2010-07-29
    • Jonathan L. KuhnCan CinbisDavid A. AndersonWilliam J. Havel
    • Jonathan L. KuhnCan CinbisDavid A. AndersonWilliam J. Havel
    • A61N1/365
    • A61B5/14551A61B5/1459A61B5/6846A61B5/7285A61N1/36557A61N1/3925A61N1/3956
    • A method and device for delivering therapy that includes an electrode to sense cardiac signals and to deliver a therapy, a therapy delivery module coupled to the electrode to deliver a therapy via the electrode in response to the sensed cardiac signals, a sensor emitting light and detecting emitted light scattered by a tissue volume adjacent the sensor to generate a corresponding detected light intensity output signal, a control module coupled to the sensor to control light emission of the sensor in response to delivering the therapy; and a controller coupled to the therapy delivery module and the sensor, the controller configured to determine a tissue oxygenation measurement in response to the output signal, and determine whether the delivered therapy was successful in restoring cardiac hemodynamic function in response to the tissue oxygenation measurement.
    • 一种用于递送治疗的方法和装置,其包括用于感测心脏信号并递送治疗的电极,治疗递送模块,其耦合到所述电极,以响应于感测到的心脏信号经由所述电极递送治疗;发射光和检测的传感器 发射由邻近传感器的组织体积散射的光,以产生相应的检测到的光强度输出信号;控制模块,其耦合到所述传感器,以响应于递送所述治疗来控制所述传感器的光发射; 以及耦合到所述治疗递送模块和所述传感器的控制器,所述控制器被配置为响应于所述输出信号确定组织氧合测量,并且确定所递送的治疗是否成功响应于所述组织氧合测量来恢复心脏血液动力学功能。