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    • 124. 发明申请
    • DELIVERY APPARATUS FOR A RETRACTABLE SELF EXPANDING NEUROVASCULAR STENT
    • 用于可回收自我扩张神经病变的输送装置
    • US20100185271A1
    • 2010-07-22
    • US12686988
    • 2010-01-13
    • Yi Zhang
    • Yi Zhang
    • A61F2/84
    • A61F2/915A61F2/07A61F2/95A61F2/966A61F2002/91525A61F2002/91558A61F2002/9505A61F2002/9665A61F2230/0054A61F2250/0018A61F2250/0098
    • The present invention relates to a delivery apparatus for delivering a self-expanding neurovascular stent that allows for smooth movement of the apparatus along a typically tortuous vascular path, ease of stent deployment, and ease of stent retractability being pushed and pulled through the delivery apparatus. The apparatus includes an outer catheter, and an inner shaft located coaxially within the outer catheter. The stent is mounted on the distal section of the inner shaft and preloaded within the outer catheter distal region. The inner shaft includes at least one stent blocking member disposed in the distal section. The self-expanding stent has proximal, middle and distal ends and is comprised of a plurality of closed cells. The self-expanding stent includes locking members which interlock with the blocking member(s) disposed on the inner shaft so as to lock the stent onto the inner shaft within the outer catheter, and to enable the stent retractable together with the inner shaft being out of and retrieved back to the outer catheter. More specially, the invention may be used in the treatment of blood vessel blockage and aneurysms which occur in the brain.
    • 本发明涉及一种用于递送自扩张神经血管支架的输送装置,其允许沿着典型曲折的血管路径平滑移动装置,容易地进行支架展开,并且通过推送装置推动和拉动支架缩回容易。 该装置包括外导管和同轴地位于外导管内的内轴。 支架安装在内轴的远端部分上,并预先装在外导管远端区域内。 内轴包括设置在远端部分中的至少一个支架阻挡构件。 自扩张支架具有近端,中部和远端,并且由多个闭孔组成。 自扩张支架包括与设置在内轴上的阻挡构件互锁的锁定构件,以将支架锁定在外导管内的内轴上,并且使支架能够与内轴一起伸出 并返回到外导管。 更具体地,本发明可用于治疗发生在脑中的血管阻塞和动脉瘤。
    • 125. 发明授权
    • Daytime/nighttime respiration rate monitoring
    • 白天/夜间呼吸率监测
    • US07704215B2
    • 2010-04-27
    • US12384271
    • 2009-04-02
    • Aaron LewickeYi ZhangJohn D. Hatlestad
    • Aaron LewickeYi ZhangJohn D. Hatlestad
    • A61B5/00
    • A61B5/0816A61B5/0205A61B5/1116A61B5/7264G06F19/00
    • A device and method can monitor or trend a patient's respiration rate measurements according to the time of day. The device, which may be implantable or external, collects and classifies respiration rate measurements over time. The trended information about particular classes of respiration rate measurements is then communicated to a remote external device, which in turn provides an indication of heart failure decompensation. Examples of classes of respiration rate measurements include a daily maximum respiration rate value, a daily minimum respiration rate value, a daily maximum respiration rate variability value, a daily minimum respiration rate variability value, and a daily central respiration rate value. These respiration rate measurements can be further classified into daytime or nighttime respiration rate measurements.
    • 一种装置和方法可以根据一天中的时间来监视或趋向于患者的呼吸速率测量。 该装置可以植入或外部收集和分类呼吸速率测量随时间的变化。 关于呼吸率测量的特定类别的趋势化信息然后被传送到远程外部设备,远程外部设备又提供心力衰竭失代偿指示。 呼吸速率测量类别的实例包括每日最大呼吸率值,每日最小呼吸率值,每日最大呼吸率变异值,每日最小呼吸率变异性值和每日中心呼吸率值。 这些呼吸率测量可以进一步分为白天或夜间呼吸率测量。
    • 127. 发明授权
    • ECG signal power vector detection of ischemia or infarction
    • 心电信号功率矢量检测缺血或梗塞
    • US07567836B2
    • 2009-07-28
    • US11275800
    • 2006-01-30
    • Yi Zhang
    • Yi Zhang
    • A61B5/0452
    • A61B5/0452A61B5/04011A61B5/7207A61B5/7285
    • A system comprising a processor that includes a cardiac signal vector module and an ischemia detection module. The cardiac signal vector module is configured to measure a first dominant vector corresponding to a direction and magnitude of maximum signal power of a first segment of at least one cardiac cycle of a subject and at least a second dominant vector corresponding to a direction and magnitude of maximum signal power of a second segment of the cardiac cycle from an electrical cardiac signal. The ischemia detection module is configured to measure a change in the first dominant vector, to form a difference by subtracting a measured change in the second dominant vector from a measured change in the first dominant vector, and to declare whether an ischemic event occurred using the difference.
    • 一种系统,包括包括心脏信号矢量模块和缺血检测模块的处理器。 心脏信号矢量模块被配置为测量对应于受试者的至少一个心动周期的第一段的最大信号功率的方向和幅度的第一显性矢量,以及对应于对象的方向和幅度的至少第二显性矢量 来自心电信号的心动周期的第二段的最大信号功率。 局部缺血检测模块被配置为测量第一显性矢量的变化,以通过从第一显性矢量的测量变化中减去第二显性矢量的测量变化来形成差异,并且声明是否使用 区别。
    • 129. 发明授权
    • Daytime/nighttime respiration rate monitoring
    • 白天/夜间呼吸率监测
    • US07530956B2
    • 2009-05-12
    • US11820002
    • 2007-06-15
    • Aaron LewickeYi ZhangJohn D. Hatlestad
    • Aaron LewickeYi ZhangJohn D. Hatlestad
    • A61B5/00
    • A61B5/0816A61B5/0205A61B5/1116A61B5/7264G06F19/00
    • A device and method can monitor or trend a patient's respiration rate measurements according to the time of day. The device, which may be implantable or external, collects and classifies respiration rate measurements over time. The trended information about particular classes of respiration rate measurements is then communicated to a remote external device, which in turn provides an indication of heart failure decompensation. Examples of classes of respiration rate measurements include a daily maximum respiration rate value, a daily minimum respiration rate value, a daily maximum respiration rate variability value, a daily minimum respiration rate variability value, and a daily central respiration rate value. These respiration rate measurements can be further classified into daytime or nighttime respiration rate measurements.
    • 一种装置和方法可以根据一天中的时间来监视或趋向于患者的呼吸速率测量。 该装置可以植入或外部收集和分类呼吸速率测量随时间的变化。 关于呼吸率测量的特定类别的趋势化信息然后被传送到远程外部设备,远程外部设备又提供心力衰竭失代偿指示。 呼吸速率测量类别的实例包括每日最大呼吸率值,每日最小呼吸率值,每日最大呼吸率变异值,每日最小呼吸率变异性值和每日中心呼吸率值。 这些呼吸率测量可以进一步分为白天或夜间呼吸率测量。