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    • 1. 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。
    • 2. 发明申请
    • Valve holder
    • 阀座
    • US20060241743A1
    • 2006-10-26
    • US11357224
    • 2006-02-17
    • Cathy BerginTimothy Ryan
    • Cathy BerginTimothy Ryan
    • A61F2/24
    • A61F2/2427A61F2/2409A61F2/2412A61F2250/0097
    • The present invention is an improved apparatus for holding and maneuvering a valve during preparation and attachment to patient. The present invention is particularly useful for increased visibility of the prosthetic valve and the sewing ring to prevent suture entanglement. The present invention is used most effectively with mitral valves having commissure posts on the outflow side of the valve structure but may be used with other valve configurations. The present invention spaces the handle attachment from the valve for improved visibility of the sewing ring and the outlet end of the valve during attachment. The present invention is adapted to safely bend the commissure posts inward at the tips while preventing crashing the commissure posts into each other causing damage. The new holder prevents suture remnants left in a patient by a designed break point for the holder suture. The present invention reduces the release force needed to remove the holder and unthread the holder sutures by an improved design and method of attachment to the prosthetic valve. The improved holder provides a kink free holder suture path to reduce suture entanglement and prevent damage to the implanted valve during holder removal by reducing the release force needed to remove the holder sutures by up to 30%.
    • 本发明是一种改进的装置,用于在准备和附接到患者期间保持和操纵阀。 本发明特别可用于增加人造瓣膜和缝合环的可见度以防止缝合线缠结。 本发明最有效地用于具有在阀结构的流出侧上的合缝的二尖瓣,但是可以与其他阀构造一起使用。 本发明将手柄附件从阀处置于空间,以便在连接期间提高缝纫环的可视性和阀的出口端。 本发明适用于将接合柱在尖端处向内安全地弯曲,同时防止将接合柱彼此碰撞造成损坏。 新的支架通过设计的断裂点防止缝合残留物留在患者身上,用于支架缝线。 本发明通过改进的连接到人工瓣膜的设计和方法来减小移除保持器所需的释放力并且使得保持器缝合线无螺纹。 改进的保持器提供了无扭结的缝合线路径,以减少缝合线缠结,并通过减少将保持器缝合线移除高达30%所需的释放力,防止在保持器移除过程中损伤植入的瓣膜。
    • 5. 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。
    • 6. 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。
    • 9. 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。