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    • 1. 发明授权
    • Multi-modal signal processing with linearization
    • 具有线性化的多模态信号处理
    • US08739000B2
    • 2014-05-27
    • US13421328
    • 2012-03-15
    • Timothy RyanRavichandran Ramachandran
    • Timothy RyanRavichandran Ramachandran
    • H03M13/00G06F11/00G11B27/00
    • H04L1/0026H04L1/203
    • A system for signal processing includes: a plurality of signal processing units associated with corresponding channels; a feedback channel for receiving a selected feedback signal through a selector of an output associated with each of the signal processing units; and a correlator connected to the feedback channel and having a receiving unit to receive the selected feedback signal, an error calculating unit to calculate an error based at least in part on the selected feedback signal, and a correction calculation unit to generate a correcting information based at least in part on the error. In some cases, the association between the signal processing units and the signal channels is configured based on a mode.
    • 一种用于信号处理的系统包括:与相应信道相关联的多个信号处理单元; 反馈通道,用于通过与每个信号处理单元相关联的输出的选择器接收所选择的反馈信号; 以及连接到所述反馈信道并具有接收单元以接收所选择的反馈信号的相关器,至少部分地基于所选择的反馈信号来计算误差的误差计算单元,以及基于所述反馈信号生成校正信息的校正计算单元 至少部分是错误的。 在一些情况下,信号处理单元和信号通道之间的关联是基于模式配置的。
    • 2. 发明授权
    • Linearization signal processing with context switching
    • 线性化信号处理与上下文切换
    • US08600317B2
    • 2013-12-03
    • US13421354
    • 2012-03-15
    • Timothy RyanRavichandran Ramachandran
    • Timothy RyanRavichandran Ramachandran
    • H04B1/40
    • H03F1/3247H03F3/24H04L27/368
    • A system for linearization signal processing with context switching comprises a plurality of signal processing units, a storage unit, a feedback channel, and a correlator. The plurality of signal processing units is associated with corresponding input data signals. The storage unit is to store context states associated with input data signals and corresponding feedback signals. The feedback channel is to convey feedback signals from outputs associated with the plurality of signal processing units. The correlator is coupled to the feedback channel and generates respective correcting information to be used by respective signal processing units, wherein a respective correcting information is based upon a context state and a feedback state associated with an input data signal.
    • 用于具有上下文切换的线性化信号处理的系统包括多个信号处理单元,存储单元,反馈信道和相关器。 多个信号处理单元与相应的输入数据信号相关联。 存储单元用于存储与输入数据信号和相应的反馈信号相关联的上下文状态。 反馈信道用于传送与多个信号处理单元相关联的输出的反馈信号。 相关器耦合到反馈信道并产生要由各个信号处理单元使用的相应校正信息,其中相应的校正信息基于与输入数据信号相关联的上下文状态和反馈状态。
    • 7. 发明申请
    • Prosthetic cardiac and venous valves
    • 假体心脏和静脉瓣
    • US20070078510A1
    • 2007-04-05
    • US11527769
    • 2006-09-26
    • Timothy Ryan
    • Timothy Ryan
    • A61F2/06
    • A61F2/2418A61F2/2436A61F2/2475A61F2220/0016A61F2220/005A61F2220/0066
    • A prosthetic heart or venous valve, the valve including a central tissue structure with multiple tissue lobes extending from a common central area, wherein each of the lobes includes a longitudinal slot. The valve further includes a plurality of leaflets, each extending from the central tissue structure and positioned between two adjacent lobes, wherein each of the leaflets has a free end spaced from the central tissue structure, and also has a compressible and expandable stent frame with a plurality of extending arms, wherein each of the extending arms of the stent frame is positioned at least partially within one of the longitudinal slots of the central tissue structure.
    • 假体心脏或静脉瓣,所述瓣膜包括具有从公共中心区域延伸的多个组织瓣的中心组织结构,其中每个凸起部包括纵向槽。 瓣膜还包括多个小叶,每个小叶从中心组织结构延伸并且定位在两个相邻瓣之间,其中每个小叶具有与中心组织结构隔开的自由端,并且还具有可压缩且可扩张的支架框架,其具有 多个延伸臂,其中支架框架的每个延伸臂至少部分地位于中央组织结构的纵向狭槽之一内。
    • 9. 发明申请
    • Apparatus and methods for delivering sutures
    • 用于输送缝合线的装置和方法
    • US20060282088A1
    • 2006-12-14
    • US11148814
    • 2005-06-08
    • Timothy Ryan
    • Timothy Ryan
    • A61B17/04
    • A61B17/0469A61B17/0467A61B17/0482A61B17/12099A61B2017/0474A61B2017/0496A61B2017/06042A61B2017/0608A61B2017/22069A61F2/07
    • An apparatus for delivering a suture includes a delivery sheath and a suturing catheter. The sheath includes proximal and distal ends, a window in a sidewall of the distal end and a balloon generally opposite the window. The suturing catheter includes proximal and distal ends, a suture carrier rotatably mounted to the distal end, and a capture device. During use, the sheath is advanced into a vessel and the balloon is expanded to stabilize the window against a vessel wall. The suturing catheter is advanced into the sheath, and a needle on the suture carrier is directly outwardly through the window along a curved path such that the needle passes through the wall and reenters the vessel. A suture on the needle is captured by the capture device and withdrawn from the vessel. A knot is advanced over the suture to secure the suture to the vessel wall.
    • 用于递送缝合线的装置包括输送护套和缝合导管。 护套包括近端和远端,在远端的侧壁中的窗口和大体上与窗口相对的气囊。 缝合导管包括近端和远端,可旋转地安装到远端的缝合线架和捕获装置。 在使用期间,护套被推进到容器中,并且气囊膨胀以将窗户稳定在容器壁上。 缝合导管前进到鞘中,并且缝合线载体上的针沿着弯曲的路径直接向外穿过窗口,使得针穿过壁并重新进入容器。 针上的缝合线由捕获装置捕获并从容器中取出。 结在缝合线上前进,将缝合线固定到血管壁。
    • 10. 发明申请
    • Heart valve storage and shipping retainer
    • 心脏瓣膜储存和运输保持器
    • US20060113207A1
    • 2006-06-01
    • US11254510
    • 2005-10-20
    • Timothy RyanCathy Bergin
    • Timothy RyanCathy Bergin
    • A61B19/02A61F2/24
    • A61F2/0095A61F2/24
    • This invention relates to a system and apparatus for retaining a prosthetic valve in a valve pocket suspended in a sealed container to protect from damage and contamination during shipment, handling and storage. The apparatus is an easy to open container having remote fill ports for adding a sterile liquid after enclosing the valve inside. A tamper evident seal is provided having a novel configuration to detect prior opening of the container. The apparatus includes an assembly having a shelf that is provided in a variety of configurations. The shelf has a mitral valve configuration and an aortic valve configuration. The shelf is selected based on the valve configurations and size. The system is easily assembled having a single variable component to adapt to a particular prosthetic valve to be stored. The present invention provides an apparatus for eliminating the need for direct attachment of the valve serial tag to the valve.
    • 本发明涉及一种用于将假体阀保持在悬挂在密封容器中的阀口袋中的系统和装置,以防止运输,处理和储存期间的损坏和污染。 该装置是容易打开的容器,其具有用于在将阀封闭后添加无菌液体的远程填充口。 提供了具有新颖结构以检测容器的先前打开的防拆封密封件。 该装置包括具有以各种构造设置的搁架的组件。 架子具有二尖瓣构造和主动脉瓣构造。 根据阀门配置和尺寸选择货架。 该系统容易组装具有单个可变部件以适应要存储的特定人造瓣膜。 本发明提供了一种用于消除将阀串行标签直接附接到阀门的需要的装置。