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    • 1. 发明申请
    • Artificial Valve Prosthesis with Improved Flow Dynamics
    • 人工瓣膜假体具有改善的流动动力学
    • US20070260327A1
    • 2007-11-08
    • US10554494
    • 2004-04-21
    • Brian CaseMichael GarrisonAndrew HoffaDarin SchaefferJacob Flagle
    • Brian CaseMichael GarrisonAndrew HoffaDarin SchaefferJacob Flagle
    • A61F2/24
    • A61F2/2418A61F2/2475A61F2002/068A61F2220/0008A61F2220/0016A61F2230/0054A61F2230/0076A61F2230/0078A61F2230/008A61F2250/0037A61F2250/0039
    • An expandable venous valve having a support structure that configured to enlarge the area adjacent to the valve structure such that the flow patterns of retrograde flow are modified in a way that facilitates the flushing of the pockets at the base of the valve area to prevent stagnation of bodily fluid, which in the venous system, can lead to thrombus formation. The enlarged pocket areas can be created by forming an artificial sinus adjacent the valve structure in an unsupported section of vessel wall between two support frame section or the support frame can comprise an expanded-diameter intermediate or proximal section that forms an artificial sinus adjacent the valve structure. In another group of embodiments, the attachment pathway between opposing leaflets and the support frame and/or vessel wall comprises a proximal portion that places the leaflets in extended contact with one another and a distal portion forms a large angle with respect to the adjacent walls such that a large pocket is created at the base of the leaflets. In one embodiment, the attachment pathway extends distally along a pair of substantially parallel longitudinal attachment struts to create an extended leaflet contact area, then angles circumferentially and distally from the former along distal attachment struts to define the bottom edge of the leaflets.
    • 一种可膨胀静脉瓣,其具有支撑结构,该支撑结构被配置为扩大邻近阀结构的区域,使逆行流的流动模式以便于冲洗瓣膜区域底部的口袋的方式进行改变,以防止滞留 在静脉系统中的体液可导致血栓形成。 扩大的口袋区域可以通过在两个支撑框架部分之间的容器壁的无支撑部分中形成邻近阀结构的人造窦来形成,或者支撑框架可以包括形成邻近瓣膜的人造窦的扩张直径的中间或近端部分 结构体。 在另一组实施例中,相对的小叶与支撑框架和/或血管壁之间的附接通路包括将小叶彼此延伸接触的近端部分,并且远侧部分相对于相邻壁形成大角度, 在传单的底部创造了一个大口袋。 在一个实施例中,附接通道沿着一对基本上平行的纵向连接支柱向远侧延伸,以产生延伸的小叶接触区域,然后沿着远侧连接支柱沿着周向和远端远离成形器,以限定传单的底部边缘。
    • 9. 发明申请
    • Sling-Based Treatment of Obstructive Sleep Apnea
    • 阻塞性睡眠呼吸暂停治疗
    • US20130056009A1
    • 2013-03-07
    • US13550065
    • 2012-07-16
    • Arun MohanDarin SchaefferPatrick C. Melder
    • Arun MohanDarin SchaefferPatrick C. Melder
    • A61F5/56
    • A61F5/566
    • Slings, kits, and methods useful in the treatment of Obstructive Sleep Apnea (OSA) are described. An exemplary sling comprises a main body extending along a lengthwise axis and having first and second opposing ends, first and second opposing sides, and first and second opposing surfaces. Each end defines an end loop that defines a passageway extending through the main body. An exemplary method of treatment comprises creating two openings in the mandible of a patient; creating two longitudinal tunnels in the tongue of the patient; creating a transverse tunnel in the tongue of the patient; advancing a sling through the transverse tunnel; pulling each end of the sling through one of the longitudinal tunnels and through one of the openings in the mandible; pulling the tongue toward the front of the mouth or mandible; and securing the sling to a tissue to support the tongue in a new position.
    • 描述了用于治疗阻塞性睡眠呼吸暂停(OSA)的吊索,套件和方法。 示例性吊带包括沿着纵向轴线延伸的主体,并且具有第一和第二相对端部,第一和第二相对侧面以及第一和第二相对表面。 每个端部限定一个端部环,其限定延伸穿过主体的通道。 一种示例性的治疗方法包括在患者的下颌骨中形成两个开口; 在患者的舌头中形成两条纵向隧道; 在患者的舌头中产生横向隧道; 通过横向隧道推进吊索; 通过一个纵向隧道并通过下颌骨中的一个开口牵引吊索的每一端; 将舌头朝向嘴巴或下颌骨的前方拉扯; 并将吊带固定到组织以将舌头支撑在新的位置。